{"id":14949,"date":"2026-11-02T11:15:11","date_gmt":"2026-11-02T10:15:11","guid":{"rendered":"https:\/\/geopard.tech\/?page_id=14949"},"modified":"2026-11-03T04:34:21","modified_gmt":"2026-11-03T03:34:21","slug":"kanada","status":"publish","type":"page","link":"https:\/\/geopard.tech\/de\/soil-sampling-regulations\/canada\/","title":{"rendered":"Anforderungen an die Bodenprobenahme in Kanada"},"content":{"rendered":"\n<div class=\"gp-ssr\" data-theme=\"light\">\n<style>\n\/* ===== theme chrome (rule 7). Header + footer kept; only the duplicate WP page\n   title (a bare h1 in #simple_page > .container) is hidden. 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Alberta: Alberta Agriculture soil sampling advice (official guidance): Ideally every field every year; sampling every other year, with estimates between, is an alternative. British Columbia: Code of Practice for Agricultural Environmental Management (conditional rule): At least once every 3 years. British Columbia: Code of Practice for Agricultural Environmental Management (conditional rule): At least once every 3 years; again the following year when the result is 100 kg N\/ha or more. British Columbia: BC Ministry of Agriculture and Food soil sampling advice (official guidance): Every 1 to 3 years. Manitoba: Manitoba Soil Fertility Guide advice (official guidance): Every field sampled and tested every year. Newfoundland and Labrador: Provincial Soil, Plant and Feed Laboratory sampling advice (official guidance): Every year for a field in rotation; every 2 years when growing the same crop. Nova Scotia: Perennia soil sampling advice (official guidance): Every 2 to 3 years for most crops. Ontario: Nutrient Management Act, 2002: nutrient management plans for land receiving manure or anaerobic digestion output (conditional rule): A sample while preparing each plan after the first. A plan ceases to be in force on its fifth anniversary, so at least once in each 5 year period. Result valid: P and pH tested within the 5 years before nutrients are applied. Ontario: OMAFA soil sampling and analysis advice (official guidance): Once every 3 years is adequate for most farms; more often on coarse soils or high potassium removal crops.\"}},{\"@type\":\"Question\",\"name\":\"When in the year should soil be sampled in Canada?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Alberta: Alberta Agriculture soil sampling advice (official guidance): Spring-sown annual crops: early spring once the soil has thawed, or the previous fall once soil is below 5 to 7 degrees C. Established perennials: each spring before active growth. British Columbia: Code of Practice for Agricultural Environmental Management (conditional rule): For a post-harvest nitrate test: after the last harvest of the growing season, before the autumn rains typically begin. British Columbia: BC Ministry of Agriculture and Food soil sampling advice (official guidance): Before planting or before the spring growing season; fall where spring sampling is not practical. British Columbia: BC Ministry of Agriculture and Food post-harvest nitrate test advice (official guidance): After harvest, before 75 mm (coarser soils: sand, loamy sand, sandy loam) or 125 mm (finer soils: loam, clay loam, clay) of cumulative precipitation counted from September 1. Late samples go to 60 cm. Manitoba: Manitoba Soil Fertility Guide advice (official guidance): Before seeding in spring, or the preceding fall after soils cool. Newfoundland and Labrador: Provincial Soil, Plant and Feed Laboratory sampling advice (official guidance): Any time; fall sampling returns results in time for the next planting, early fall for fall liming. Nova Scotia: Perennia soil sampling advice (official guidance): Any time of year, at the same time each year; often in fall right after harvest. Saskatchewan: Saskatchewan Ministry of Agriculture crops extension advice (official guidance): Fall, once soil temperature is below 10 degrees C.\"}},{\"@type\":\"Question\",\"name\":\"How many hectares can one soil sample cover in Canada?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Alberta: Alberta Agriculture soil sampling advice (official guidance): One random composite sample suits fields under 30 ha (80 acres) that have been uniformly cropped and have little natural variation. British Columbia: BC Ministry of Agriculture and Food soil sampling advice (official guidance): Sampling zones of up to 10 ha (25 acres). Newfoundland and Labrador: Provincial Soil, Plant and Feed Laboratory sampling advice (official guidance): One sample per 5 ha. Ontario: Nutrient Management Act, 2002: nutrient management plans for land receiving manure or anaerobic digestion output (conditional rule): Normally at most 10 ha (25 acres) per sample. Up to 20 ha (50 acres) may be permitted where there is evidence that nutrient content is uniform (within 15 percent of the mean) and management is uniform. Ontario: OMAFA soil sampling and analysis advice (official guidance): At most 10 ha (25 acres) per sample.\"}},{\"@type\":\"Question\",\"name\":\"How deep should soil samples be taken in Canada?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Alberta: Agricultural Operation Practices Act (AOPA): nutrient management (conditional rule): Nitrate-N 0 to 60 cm. Salinity (EC) 0 to 15 cm. Texture once, at 0 to 15 cm and 15 to 30 cm. Alberta: Alberta Agriculture soil sampling advice (official guidance): Each core split 0 to 15, 15 to 30 and 30 to 60 cm. N and S from 0 to 60 cm, P and K from 0 to 15 cm. British Columbia: BC Ministry of Agriculture and Food soil sampling advice (official guidance): Surface to 15 cm (6 inches). British Columbia: BC Ministry of Agriculture and Food post-harvest nitrate test advice (official guidance): 0 to 30 cm (12 inches). 0 to 60 cm (24 inches) when the 30 cm date is missed. Manitoba: Livestock Manure and Mortalities Management Regulation: manure management plans (conditional rule): The director may refuse a plan whose soil nutrient analysis reports rest on samples taken to less than 0.6 m (2 feet). Soil test phosphorus is read in the top 0.15 m (6 inches). Manitoba: Manitoba Soil Fertility Guide advice (official guidance): Full 24 inches (60.96 cm) for nitrate and sulphate. P, K and micronutrients in the top 6 inches (15.24 cm). Newfoundland and Labrador: Provincial Soil, Plant and Feed Laboratory sampling advice (official guidance): 20 cm; 6 cm for sod crops (depths given in the shovel directions). Nova Scotia: Perennia soil sampling advice (official guidance): 15 cm in a ploughed field, 8 cm in pasture. Other depths may be used for some crops or sampling goals. Ontario: Nutrient Management Act, 2002: nutrient management plans for land receiving manure or anaerobic digestion output (conditional rule): About 15 cm (6 inches), the depth normally tilled, also where no tillage is used. Soil nitrate samples 30 cm (12 inches). Ontario: OMAFA soil sampling and analysis advice (official guidance): About 15 cm (6 inches) for nutrients, unchanged under no-till. Nitrate 30 cm (1 ft). Under no-till with surface-applied nitrogen, a separate 5 cm (2 inches) sample checks surface pH only, not nutrients. Saskatchewan: Saskatchewan Ministry of Agriculture crops extension advice (official guidance): To a depth of 6 to 12 inches (15.24 to 30.48 cm).\"}},{\"@type\":\"Question\",\"name\":\"How many cores go into one soil sample in Canada?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Alberta: Alberta Agriculture soil sampling advice (official guidance): 15 to 20 cores per bulk sample. British Columbia: BC Ministry of Agriculture and Food soil sampling advice (official guidance): 15 to 20 samples at random locations for most field crops; 30 to 40 where band locations are unknown. British Columbia: BC Ministry of Agriculture and Food post-harvest nitrate test advice (official guidance): 15 to 20 samples at random locations for most field crops; 30 to 40 where band locations are unknown. Manitoba: Manitoba Soil Fertility Guide advice (official guidance): 15 to 20 cores per field composite sample (traditional random sampling). Newfoundland and Labrador: Provincial Soil, Plant and Feed Laboratory sampling advice (official guidance): 10 individual samples per field of 5 ha or less. Nova Scotia: Perennia soil sampling advice (official guidance): At least 15 to 20 samples per field. Ontario: Nutrient Management Act, 2002: nutrient management plans for land receiving manure or anaerobic digestion output (conditional rule): At least 20 sub-samples under 5 ha (12.5 acres), plus at least 2 more for each additional hectare. Ontario: OMAFA soil sampling and analysis advice (official guidance): At least 20 cores, plus one per 0.4 ha (1 acre) in fields over 8 ha (20 acres). Saskatchewan: Saskatchewan Ministry of Agriculture crops extension advice (official guidance): Typically 15 to 20 cores per management zone.\"}},{\"@type\":\"Question\",\"name\":\"How many soil samples does a 40 ha field need in Canada?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Under Ontario: Nutrient Management Act, 2002: nutrient management plans for land receiving manure or anaerobic digestion output: A uniform 40 ha field needs at least 4 composite samples of no more than 10 ha each, and at least 80 cores in all, 20 per sample.\"}}]}<\/script>\n<div class=\"ssr-hero ssr-hero-country\"><nav class=\"ssr-crumbs\" aria-label=\"Breadcrumb\"><a href=\"https:\/\/geopard.tech\/soil-sampling-regulations\/\">Soil sampling regulations<\/a> <span aria-hidden=\"true\">\/<\/span> <span aria-current=\"page\">Canada<\/span><\/nav><h1>Soil sampling requirements in Canada<\/h1><p class=\"ssr-lede\">By province: Alberta, British Columbia, Manitoba, Newfoundland and Labrador, Nova Scotia, Ontario and Saskatchewan.<\/p><\/div><section class=\"ssr-ans\" aria-labelledby=\"ssr-ans-h\"><h2 id=\"ssr-ans-h\">Soil sampling in Canada: frequency, area, depth and cores<\/h2><div class=\"ssr-ans-grid\"><div class=\"ssr-ans-q\"><h3>How often do you need to soil sample in Canada?<\/h3><ul data-no-translation><li><a href=\"#rule-ca-ab-aopa-ar-267-2001-soil-test\">Alberta: Agricultural Operation Practices Act (AOPA): nutrient management<\/a> <span class=\"ssr-ans-t\">Conditional<\/span> Result valid: Soil test no older than 3 years when manure, organic materials or compost is applied.<\/li><li><a href=\"#rule-ca-ab-agriculture-soil-sampling-guidance\">Alberta: Alberta Agriculture soil sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Ideally every field every year; sampling every other year, with estimates between, is an alternative.<\/li><li><a href=\"#rule-ca-bc-aem-code-phosphorus-test\">British Columbia: Code of Practice for Agricultural Environmental Management<\/a> <span class=\"ssr-ans-t\">Conditional<\/span> At least once every 3 years.<\/li><li><a href=\"#rule-ca-bc-aem-code-post-harvest-nitrate-test\">British Columbia: Code of Practice for Agricultural Environmental Management<\/a> <span class=\"ssr-ans-t\">Conditional<\/span> At least once every 3 years; again the following year when the result is 100 kg N\/ha or more.<\/li><li><a href=\"#rule-ca-bc-agriculture-basic-soil-fertility-sampling\">British Columbia: BC Ministry of Agriculture and Food soil sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Every 1 to 3 years.<\/li><li><a href=\"#rule-ca-mb-soil-fertility-guide-sampling\">Manitoba: Manitoba Soil Fertility Guide advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Every field sampled and tested every year.<\/li><li><a href=\"#rule-ca-nl-ffa-soil-sampling-guide\">Newfoundland and Labrador: Provincial Soil, Plant and Feed Laboratory sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Every year for a field in rotation; every 2 years when growing the same crop.<\/li><li><a href=\"#rule-ca-ns-perennia-how-to-take-a-soil-sample\">Nova Scotia: Perennia soil sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Every 2 to 3 years for most crops.<\/li><li><a href=\"#rule-ca-on-o-reg-267-03-nmp-soil-test\">Ontario: Nutrient Management Act, 2002: nutrient management plans for land receiving manure or anaerobic digestion output<\/a> <span class=\"ssr-ans-t\">Conditional<\/span> A sample while preparing each plan after the first. A plan ceases to be in force on its fifth anniversary, so at least once in each 5 year period. Result valid: P and pH tested within the 5 years before nutrients are applied.<\/li><li><a href=\"#rule-ca-on-omafa-soil-sampling-guidance\">Ontario: OMAFA soil sampling and analysis advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Once every 3 years is adequate for most farms; more often on coarse soils or high potassium removal crops.<\/li><\/ul><\/div><div class=\"ssr-ans-q\"><h3>When in the year should soil be sampled in Canada?<\/h3><ul data-no-translation><li><a href=\"#rule-ca-ab-agriculture-soil-sampling-guidance\">Alberta: Alberta Agriculture soil sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Spring-sown annual crops: early spring once the soil has thawed, or the previous fall once soil is below 5 to 7 degrees C. Established perennials: each spring before active growth.<\/li><li><a href=\"#rule-ca-bc-aem-code-post-harvest-nitrate-test\">British Columbia: Code of Practice for Agricultural Environmental Management<\/a> <span class=\"ssr-ans-t\">Conditional<\/span> For a post-harvest nitrate test: after the last harvest of the growing season, before the autumn rains typically begin.<\/li><li><a href=\"#rule-ca-bc-agriculture-basic-soil-fertility-sampling\">British Columbia: BC Ministry of Agriculture and Food soil sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Before planting or before the spring growing season; fall where spring sampling is not practical.<\/li><li><a href=\"#rule-ca-bc-agriculture-post-harvest-nitrate-sampling\">British Columbia: BC Ministry of Agriculture and Food post-harvest nitrate test advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> After harvest, before 75 mm (coarser soils: sand, loamy sand, sandy loam) or 125 mm (finer soils: loam, clay loam, clay) of cumulative precipitation counted from September 1. Late samples go to 60 cm.<\/li><li><a href=\"#rule-ca-mb-soil-fertility-guide-sampling\">Manitoba: Manitoba Soil Fertility Guide advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Before seeding in spring, or the preceding fall after soils cool.<\/li><li><a href=\"#rule-ca-nl-ffa-soil-sampling-guide\">Newfoundland and Labrador: Provincial Soil, Plant and Feed Laboratory sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Any time; fall sampling returns results in time for the next planting, early fall for fall liming.<\/li><li><a href=\"#rule-ca-ns-perennia-how-to-take-a-soil-sample\">Nova Scotia: Perennia soil sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Any time of year, at the same time each year; often in fall right after harvest.<\/li><li><a href=\"#rule-ca-sk-agriculture-fall-soil-testing\">Saskatchewan: Saskatchewan Ministry of Agriculture crops extension advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Fall, once soil temperature is below 10 degrees C.<\/li><\/ul><\/div><div class=\"ssr-ans-q\"><h3>How many hectares can one soil sample cover in Canada?<\/h3><ul data-no-translation><li><a href=\"#rule-ca-ab-agriculture-soil-sampling-guidance\">Alberta: Alberta Agriculture soil sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> One random composite sample suits fields under 30 ha (80 acres) that have been uniformly cropped and have little natural variation.<\/li><li><a href=\"#rule-ca-bc-agriculture-basic-soil-fertility-sampling\">British Columbia: BC Ministry of Agriculture and Food soil sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Sampling zones of up to 10 ha (25 acres).<\/li><li><a href=\"#rule-ca-nl-ffa-soil-sampling-guide\">Newfoundland and Labrador: Provincial Soil, Plant and Feed Laboratory sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> One sample per 5 ha.<\/li><li><a href=\"#rule-ca-on-o-reg-267-03-nmp-soil-test\">Ontario: Nutrient Management Act, 2002: nutrient management plans for land receiving manure or anaerobic digestion output<\/a> <span class=\"ssr-ans-t\">Conditional<\/span> Normally at most 10 ha (25 acres) per sample. Up to 20 ha (50 acres) may be permitted where there is evidence that nutrient content is uniform (within 15 percent of the mean) and management is uniform.<\/li><li><a href=\"#rule-ca-on-omafa-soil-sampling-guidance\">Ontario: OMAFA soil sampling and analysis advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> At most 10 ha (25 acres) per sample.<\/li><\/ul><\/div><div class=\"ssr-ans-q\"><h3>How deep should soil samples be taken in Canada?<\/h3><ul data-no-translation><li><a href=\"#rule-ca-ab-aopa-ar-267-2001-soil-test\">Alberta: Agricultural Operation Practices Act (AOPA): nutrient management<\/a> <span class=\"ssr-ans-t\">Conditional<\/span> Nitrate-N 0 to 60 cm. Salinity (EC) 0 to 15 cm. Texture once, at 0 to 15 cm and 15 to 30 cm.<\/li><li><a href=\"#rule-ca-ab-agriculture-soil-sampling-guidance\">Alberta: Alberta Agriculture soil sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Each core split 0 to 15, 15 to 30 and 30 to 60 cm. N and S from 0 to 60 cm, P and K from 0 to 15 cm.<\/li><li><a href=\"#rule-ca-bc-agriculture-basic-soil-fertility-sampling\">British Columbia: BC Ministry of Agriculture and Food soil sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Surface to 15 cm (6 inches).<\/li><li><a href=\"#rule-ca-bc-agriculture-post-harvest-nitrate-sampling\">British Columbia: BC Ministry of Agriculture and Food post-harvest nitrate test advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> 0 to 30 cm (12 inches). 0 to 60 cm (24 inches) when the 30 cm date is missed.<\/li><li><a href=\"#rule-ca-mb-lmmm-reg-42-98-manure-plan\">Manitoba: Livestock Manure and Mortalities Management Regulation: manure management plans<\/a> <span class=\"ssr-ans-t\">Conditional<\/span> The director may refuse a plan whose soil nutrient analysis reports rest on samples taken to less than 0.6 m (2 feet). Soil test phosphorus is read in the top 0.15 m (6 inches).<\/li><li><a href=\"#rule-ca-mb-soil-fertility-guide-sampling\">Manitoba: Manitoba Soil Fertility Guide advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Full 24 inches (60.96 cm) for nitrate and sulphate. P, K and micronutrients in the top 6 inches (15.24 cm).<\/li><li><a href=\"#rule-ca-nl-ffa-soil-sampling-guide\">Newfoundland and Labrador: Provincial Soil, Plant and Feed Laboratory sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> 20 cm; 6 cm for sod crops (depths given in the shovel directions).<\/li><li><a href=\"#rule-ca-ns-perennia-how-to-take-a-soil-sample\">Nova Scotia: Perennia soil sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> 15 cm in a ploughed field, 8 cm in pasture. Other depths may be used for some crops or sampling goals.<\/li><li><a href=\"#rule-ca-on-o-reg-267-03-nmp-soil-test\">Ontario: Nutrient Management Act, 2002: nutrient management plans for land receiving manure or anaerobic digestion output<\/a> <span class=\"ssr-ans-t\">Conditional<\/span> About 15 cm (6 inches), the depth normally tilled, also where no tillage is used. Soil nitrate samples 30 cm (12 inches).<\/li><li><a href=\"#rule-ca-on-omafa-soil-sampling-guidance\">Ontario: OMAFA soil sampling and analysis advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> About 15 cm (6 inches) for nutrients, unchanged under no-till. Nitrate 30 cm (1 ft). Under no-till with surface-applied nitrogen, a separate 5 cm (2 inches) sample checks surface pH only, not nutrients.<\/li><li><a href=\"#rule-ca-sk-agriculture-fall-soil-testing\">Saskatchewan: Saskatchewan Ministry of Agriculture crops extension advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> To a depth of 6 to 12 inches (15.24 to 30.48 cm).<\/li><\/ul><\/div><div class=\"ssr-ans-q\"><h3>How many cores go into one soil sample in Canada?<\/h3><ul data-no-translation><li><a href=\"#rule-ca-ab-agriculture-soil-sampling-guidance\">Alberta: Alberta Agriculture soil sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> 15 to 20 cores per bulk sample.<\/li><li><a href=\"#rule-ca-bc-agriculture-basic-soil-fertility-sampling\">British Columbia: BC Ministry of Agriculture and Food soil sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> 15 to 20 samples at random locations for most field crops; 30 to 40 where band locations are unknown.<\/li><li><a href=\"#rule-ca-bc-agriculture-post-harvest-nitrate-sampling\">British Columbia: BC Ministry of Agriculture and Food post-harvest nitrate test advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> 15 to 20 samples at random locations for most field crops; 30 to 40 where band locations are unknown.<\/li><li><a href=\"#rule-ca-mb-soil-fertility-guide-sampling\">Manitoba: Manitoba Soil Fertility Guide advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> 15 to 20 cores per field composite sample (traditional random sampling).<\/li><li><a href=\"#rule-ca-nl-ffa-soil-sampling-guide\">Newfoundland and Labrador: Provincial Soil, Plant and Feed Laboratory sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> 10 individual samples per field of 5 ha or less.<\/li><li><a href=\"#rule-ca-ns-perennia-how-to-take-a-soil-sample\">Nova Scotia: Perennia soil sampling advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> At least 15 to 20 samples per field.<\/li><li><a href=\"#rule-ca-on-o-reg-267-03-nmp-soil-test\">Ontario: Nutrient Management Act, 2002: nutrient management plans for land receiving manure or anaerobic digestion output<\/a> <span class=\"ssr-ans-t\">Conditional<\/span> At least 20 sub-samples under 5 ha (12.5 acres), plus at least 2 more for each additional hectare.<\/li><li><a href=\"#rule-ca-on-omafa-soil-sampling-guidance\">Ontario: OMAFA soil sampling and analysis advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> At least 20 cores, plus one per 0.4 ha (1 acre) in fields over 8 ha (20 acres).<\/li><li><a href=\"#rule-ca-sk-agriculture-fall-soil-testing\">Saskatchewan: Saskatchewan Ministry of Agriculture crops extension advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Typically 15 to 20 cores per management zone.<\/li><\/ul><\/div><div class=\"ssr-ans-ex\"><h3>How many soil samples does a 40 ha field need in Canada?<\/h3><p><span data-no-translation>Ontario: Nutrient Management Act, 2002: nutrient management plans for land receiving manure or anaerobic digestion output:<\/span> A uniform 40 ha field needs at least 4 composite samples of no more than 10 ha each, and at least 80 cores in all, 20 per sample.<\/p><p><a href=\"https:\/\/geopard.tech\/soil-sampling-regulations\/#ssr-est\">Samples and cores for any field size<\/a><\/p><\/div><\/div><\/section>\n<section aria-label=\"Rules in Canada\">\n<div class=\"ssr-scroll\" data-no-translation>\n<table class=\"ssr-table\" role=\"table\" aria-label=\"Soil sampling rules in Canada\">\n<caption>Soil sampling rules in Canada, with the exact wording of each source<\/caption>\n<colgroup><col class=\"c-place\"><col class=\"c-pur\"><col class=\"c-time\"><col class=\"c-area\"><col class=\"c-meth\"><col class=\"c-depth\"><col class=\"c-cores\"><col class=\"c-stat\"><\/colgroup>\n      <thead role=\"rowgroup\"><tr role=\"row\">\n        <th role=\"columnheader\" scope=\"col\">Country \/ region<\/th>\n        <th role=\"columnheader\" scope=\"col\">Purpose \/ programme<\/th>\n        <th role=\"columnheader\" scope=\"col\">Time \/ frequency<\/th>\n        <th role=\"columnheader\" scope=\"col\">Area per sample<\/th>\n        <th role=\"columnheader\" scope=\"col\">Method<\/th>\n        <th role=\"columnheader\" scope=\"col\">Depth<\/th>\n        <th role=\"columnheader\" scope=\"col\">Cores<\/th>\n        <th role=\"columnheader\" scope=\"col\">Status and source<\/th>\n      <\/tr><\/thead>\n<tbody class=\"ssr-grp\" data-g=\"CA\" role=\"rowgroup\"><tr role=\"row\"><th role=\"rowheader\" colspan=\"8\" scope=\"colgroup\" id=\"country-ca\">Canada<\/th><\/tr><\/tbody>\n<tbody id=\"rule-ca-ab-aopa-ar-267-2001-soil-test\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"CA\" data-r=\"CA-AB\" data-p=\"n\" data-s=\"conditional\" data-m=\"representative\" data-q=\"canada | alberta | agricultural operation practices act (aopa): nutrient management | soil test before applying manure, organic materials or compost | standards and administration regulation, alta reg 267\/2001, under the agricultural operation practices act (consolidated to alta reg 146\/2025, current as of june 23, 2025) | sections 25 and 28(5), schedule 3 | nitrogen | alberta | canada | aopa | agricultural operation practices act | standards and administration regulation | nrcb\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">Alberta<\/span><span class=\"ssr-sub\">Canada<\/span><span class=\"ssr-sub\">Alberta only. Other provinces have their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Soil test before applying manure, organic materials or compost<\/span><span class=\"ssr-sub\">Agricultural Operation Practices Act (AOPA): nutrient management<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Result valid<\/span> Soil test no older than 3 years when manure, organic materials or compost is applied<\/li><\/ul><\/td><td role=\"cell\" data-label=\"Area per sample\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Method\">Sampling and testing follow the most recent edition of the Manual on Soil Sampling and Methods of Analysis (Canadian Society of Soil Science).<\/td><td role=\"cell\" data-label=\"Depth\">Nitrate-N 0 to 60 cm. Salinity (EC) 0 to 15 cm. Texture once, at 0 to 15 cm and 15 to 30 cm.<\/td><td role=\"cell\" data-label=\"Cores\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Status and source\" class=\"ssr-stat\"><span class=\"ssr-badge is-conditional\">Conditional<\/span><a class=\"ssr-src\" href=\"https:\/\/kings-printer.alberta.ca\/documents\/Regs\/2001_267.pdf\" data-ssr-src rel=\"noopener\">Alta Reg 267\/2001, office consolidation (Alberta King\u2019s Printer)<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"ca-ab-aopa-ar-267-2001-soil-test\" data-c=\"Alberta\"><summary>Who it applies to, the exact wording and every source<\/summary><div class=\"ssr-det\"><dl class=\"ssr-facts\"><div><dt>Who it applies to<\/dt><dd>Anyone applying a total of 500 tonnes or more of manure, organic materials or compost a year: the receiving soil must have been tested within the previous 3 years.<\/dd><\/div><div><dt>Outside the rule<\/dt><dd>People applying less than 500 tonnes a year in total. An approval officer or inspector may instead permit application under a nutrient management plan they approve as giving equal or greater protection to water and soil.<\/dd><\/div><div><dt>Laboratory and analysis<\/dt><dd>Standard laboratory procedures. Tests must include extractable nitrate-N, salinity by electrical conductivity and a one-time soil texture.<\/dd><\/div><div><dt>Field identifiers<\/dt><dd>Records kept for 5 years: legal land description and soil test results by the area receiving the material.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Standards and Administration Regulation, Alta Reg 267\/2001, under the Agricultural Operation Practices Act (consolidated to Alta Reg 146\/2025, current as of June 23, 2025), Sections 25 and 28(5), Schedule 3<\/dd><\/div><\/dl><div class=\"ssr-wording\"><h3>The wording in the source<\/h3><h4>Timing<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">unless the soil has been tested within the previous 3 years in accordance with Schedule 3.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/kings-printer.alberta.ca\/documents\/Regs\/2001_267.pdf\" data-ssr-src rel=\"noopener\">s. 25(1)<\/a><\/p><\/li><\/ul><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Soil testing and sampling must be conducted according to the most recent edition of the Manual on Soil Sampling and Methods of Analysis, published by the Canadian Society of Soil Science.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/kings-printer.alberta.ca\/documents\/Regs\/2001_267.pdf\" data-ssr-src rel=\"noopener\">Schedule 3, Soil Testing<\/a><\/p><\/li><\/ul><h4>Depth<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">(a) extractable nitrate-nitrogen (NO3-N) from a soil depth of 0 &#8211; 60 cm; (b) soil salinity based on Electrical Conductivity (E.C.) from a soil depth of 0 &#8211; 15 cm; (c) soil texture; one-time analysis from a soil depth of 0 &#8211; 15 cm and 15 &#8211; 30 cm.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/kings-printer.alberta.ca\/documents\/Regs\/2001_267.pdf\" data-ssr-src rel=\"noopener\">Schedule 3, Soil Analysis (a) to (c)<\/a><\/p><\/li><\/ul><h4>Who it applies to<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Subject to subsection (2), a person must not apply manure, organic materials or compost to soil unless the soil has been tested within the previous 3 years in accordance with Schedule 3.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/kings-printer.alberta.ca\/documents\/Regs\/2001_267.pdf\" data-ssr-src rel=\"noopener\">s. 25(1)<\/a><\/p><\/li><\/ul><h4>Outside the rule<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Subsection (1) does not apply to a person who applies less than a total of 500 tonnes of manure, organic materials or compost annually.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/kings-printer.alberta.ca\/documents\/Regs\/2001_267.pdf\" data-ssr-src rel=\"noopener\">s. 25(2)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Despite sections 24 and 25, an approval officer or an inspector may permit a person to apply manure, organic materials or compost to land in accordance with a nutrient management plan proposed by the person if the approval officer or inspector approves of the nutrient management plan on the basis that implementing the nutrient management plan will provide equal or greater protection to the water and soil than would be achieved by complying with sections 24 and 25.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/kings-printer.alberta.ca\/documents\/Regs\/2001_267.pdf\" data-ssr-src rel=\"noopener\">s. 26<\/a><\/p><\/li><\/ul><h4>Laboratory and analysis<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Standard laboratory procedures must be used for the soil analysis and this information should be reflected and referenced in the records kept and soil testing must include the following:<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/kings-printer.alberta.ca\/documents\/Regs\/2001_267.pdf\" data-ssr-src rel=\"noopener\">Schedule 3, Soil Analysis<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">(a) extractable nitrate-nitrogen (NO3-N) from a soil depth of 0 &#8211; 60 cm; (b) soil salinity based on Electrical Conductivity (E.C.) from a soil depth of 0 &#8211; 15 cm; (c) soil texture; one-time analysis from a soil depth of 0 &#8211; 15 cm and 15 &#8211; 30 cm.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/kings-printer.alberta.ca\/documents\/Regs\/2001_267.pdf\" data-ssr-src rel=\"noopener\">Schedule 3, Soil Analysis (a) to (c)<\/a><\/p><\/li><\/ul><h4>Field identifiers<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Where a total of 500 tonnes or more of manure, organic materials or compost is applied to land in a year, the person who has control of that land must keep the following records: (a) the legal land description of the land to which the manure, organic materials or compost are applied;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/kings-printer.alberta.ca\/documents\/Regs\/2001_267.pdf\" data-ssr-src rel=\"noopener\">s. 28(5)(a)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">(f) the soil test results, by area the manure, organic materials, or compost is to be applied to, for the nutrients specified in Schedule 3.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/kings-printer.alberta.ca\/documents\/Regs\/2001_267.pdf\" data-ssr-src rel=\"noopener\">s. 28(5)(f)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">A person who is required to keep a record under subsections (2) to (5) must keep it for 5 years.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/kings-printer.alberta.ca\/documents\/Regs\/2001_267.pdf\" data-ssr-src rel=\"noopener\">s. 28(7)<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/kings-printer.alberta.ca\/documents\/Regs\/2001_267.pdf\" data-ssr-src rel=\"noopener\">Alta Reg 267\/2001, office consolidation (Alberta King\u2019s Printer)<\/a> <span class=\"ssr-kind\">Law<\/span><\/li><\/ul><p class=\"ssr-dates\">Sources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team.<\/p><\/div><\/div><\/details><\/td><\/tr>\n<\/tbody>\n<tbody id=\"rule-ca-ab-agriculture-soil-sampling-guidance\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"CA\" data-r=\"CA-AB\" data-p=\"fertility\" data-s=\"official_guidance\" data-m=\"zone grid\" data-q=\"canada | alberta | alberta agriculture soil sampling advice | routine soil fertility sampling | alberta agriculture, chapter 3.3 soil sampling (nutrient management planning publication, pdf dated 2008) | ph, p, k, mg | alberta | canada | aopa | agricultural operation practices act | standards and administration regulation | nrcb\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">Alberta<\/span><span class=\"ssr-sub\">Canada<\/span><span class=\"ssr-sub\">Alberta only. Other provinces have their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Routine soil fertility sampling<\/span><span class=\"ssr-sub\">Alberta Agriculture soil sampling advice<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Repeat<\/span> Ideally every field every year; sampling every other year, with estimates between, is an alternative<\/li><li><span class=\"k\">Season<\/span> Spring-sown annual crops: early spring once the soil has thawed, or the previous fall once soil is below 5 to 7 degrees C. Established perennials: each spring before active growth.<\/li><\/ul><\/td><td role=\"cell\" data-label=\"Area per sample\">One random composite sample suits fields under 30 ha (80 acres) that have been uniformly cropped and have little natural variation<\/td><td role=\"cell\" data-label=\"Method\">Random composite, directed random by management zone, benchmark, landscape-directed benchmark or grid sampling.<\/td><td role=\"cell\" data-label=\"Depth\">Each core split 0 to 15, 15 to 30 and 30 to 60 cm. N and S from 0 to 60 cm, P and K from 0 to 15 cm.<\/td><td role=\"cell\" data-label=\"Cores\">15 to 20 cores per bulk sample<\/td><td role=\"cell\" data-label=\"Status and source\" class=\"ssr-stat\"><span class=\"ssr-badge is-official_guidance\">Official guidance<\/span><a class=\"ssr-src\" href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">Alberta Agriculture, Chapter 3.3 Soil Sampling (PDF)<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"ca-ab-agriculture-soil-sampling-guidance\" data-c=\"Alberta\"><summary>Who it applies to, the exact wording and every source<\/summary><div class=\"ssr-det\"><dl class=\"ssr-facts\"><div><dt>Who it applies to<\/dt><dd>Advice for Alberta farms from the provincial agriculture department. Not law.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Alberta Agriculture, Chapter 3.3 Soil Sampling (nutrient management planning publication, PDF dated 2008)<\/dd><\/div><\/dl><div class=\"ssr-wording\"><h3>The wording in the source<\/h3><h4>Timing<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Ideally, all fields should be sampled and tested annually, but this may not always be practical.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">Sampling Frequency<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">If spring sampling is not possible, sample in the previous fall after soil temperatures drop below 5 to 7\u00b0C.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">Fall Sampling<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">For spring-sown annual crops collect samples early in spring as soon as the soil has thawed or in the fall once soil temperatures have dropped below 5 to 7 \u00b0C<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">Timing of Sampling<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">In fields with established perennials, sample annually in the spring before active growth begins.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">Timing of Sampling<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Fields could also be sampled every other year, with estimates used in years between samplings to make fertility decisions.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">Sampling Frequency<\/a><\/p><\/li><\/ul><h4>Area per sample<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">This strategy is most appropriate for fields less than 30 ha (80 ac), that have been uniformly cropped in the recent past and have little natural variation.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">Random Composite Sampling<\/a><\/p><\/li><\/ul><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Random composite sampling involves taking samples in a random pattern across a field, while avoiding unusual or problem soil areas<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">Random Composite Sampling<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Sub-divide the field into management zones based on unique characteristics.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">Directed Random Sampling<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">For grid sampling, a field is divided into small areas or blocks.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">Grid Sampling<\/a><\/p><\/li><\/ul><h4>Depth<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Each core will be segmented into lengths that represent depths of 0 to 15 cm, 15 to 30 cm and 30 to 60 cm.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">General Soil Sampling Guidelines<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Therefore, N and S fertility recommendations should be based on extractable \u2026 contents in a 0 to 60 cm deep soil sample.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">Sampling for Nitrate and Sulphate<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Phosphorus and K recommendations are based on the amounts of crop available P and K contained in the 0 to 15 cm depth sample.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">Sampling for Phosphorus and Potassium<\/a><\/p><\/li><\/ul><h4>Cores<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Take 15 to 20 cores for each representative bulk sample.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">General Soil Sampling Guidelines<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/www1.agriculture.alberta.ca\/$department\/deptdocs.nsf\/all\/epw11920\/$FILE\/3-3.pdf\" data-ssr-src rel=\"noopener\">Alberta Agriculture, Chapter 3.3 Soil Sampling (PDF)<\/a> <span class=\"ssr-kind\">Guidance<\/span><\/li><\/ul><p class=\"ssr-dates\">Sources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team.<\/p><\/div><\/div><\/details><\/td><\/tr>\n<\/tbody>\n<tbody id=\"rule-ca-bc-aem-code-phosphorus-test\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"CA\" data-r=\"CA-BC\" data-p=\"p\" data-s=\"conditional\" data-m=\"representative\" data-q=\"canada | british columbia | code of practice for agricultural environmental management | soil phosphorus test | code of practice for agricultural environmental management, b.c. reg. 8\/2019, under the environmental management act (consolidation current to october 27, 2026) | sections 51(2), 53 and 55 | phosphorus | british columbia | b.c. | canada | aemcop | code of practice for agricultural environmental management | phnt | post-harvest nitrate test\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">British Columbia<\/span><span class=\"ssr-sub\">Canada<\/span><span class=\"ssr-sub\">British Columbia only. Other provinces have their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Soil phosphorus test<\/span><span class=\"ssr-sub\">Code of Practice for Agricultural Environmental Management<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Repeat<\/span> At least once every 3 years<\/li><\/ul><\/td><td role=\"cell\" data-label=\"Area per sample\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Method\">A representative sample.<\/td><td role=\"cell\" data-label=\"Depth\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Cores\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Status and source\" class=\"ssr-stat\"><span class=\"ssr-badge is-conditional\">Conditional<\/span><a class=\"ssr-src\" href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">B.C. Reg. 8\/2019, Code of Practice for Agricultural Environmental Management (BC Laws)<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"ca-bc-aem-code-phosphorus-test\" data-c=\"British Columbia\"><summary>Who it applies to, the exact wording and every source<\/summary><div class=\"ssr-det\"><dl class=\"ssr-facts\"><div><dt>Who it applies to<\/dt><dd>Anyone who applies nutrient sources to land for an agricultural operation on a land base not zoned for residential purposes. Nutrient sources include commercial fertilizers, agricultural by-products such as manure, compost and other listed materials. The soil in each field is tested.<\/dd><\/div><div><dt>Outside the rule<\/dt><dd>Operations with an agricultural land base under 2 ha, crops intentionally flooded for harvest, and peat or muck soils.<\/dd><\/div><div><dt>Laboratory and analysis<\/dt><dd>Available P. Results by any method other than the Kelowna method are converted to their Kelowna equivalent.<\/dd><\/div><div><dt>Field identifiers<\/dt><dd>Records for each field: its location and size, and the soil test results (land bases of 2 ha or more).<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Code of Practice for Agricultural Environmental Management, B.C. Reg. 8\/2019, under the Environmental Management Act (consolidation current to October 27, 2026), Sections 51(2), 53 and 55<\/dd><\/div><\/dl><div class=\"ssr-wording\"><h3>The wording in the source<\/h3><h4>Timing<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">a phosphorus test must be conducted at least once every 3 years.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 53(1)(c)<\/a><\/p><\/li><\/ul><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">A phosphorus test must (a) measure the amount of available phosphorus in soil, and (b) be conducted using a representative sample.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 55(1)<\/a><\/p><\/li><\/ul><h4>Who it applies to<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Subject to subsection (2), a person who applies nutrient sources to land must have the soil in each field tested as follows:<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 53(1)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">This Division applies to a person who applies nutrient sources for the purposes of an agricultural operation.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 48<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">&quot;nutrient source&quot; means any of the following things that are a source of nitrogen or phosphorus: (a) commercial fertilizers and soil conditioners; (b) agricultural by-products; (c) mixtures produced using agricultural composting processes;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 1, definition of nutrient source<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">on an agricultural land base that is not zoned for residential purposes, and<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 2(2)(a)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">&quot;agricultural by-product&quot; (a) includes, subject to paragraph (b), \u2026 (ii) manure,<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 1, definition of agricultural by-product<\/a><\/p><\/li><\/ul><h4>Outside the rule<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Subsection (1) does not apply if the land to which nutrient sources are being applied (a) is part of an agricultural operation having an agricultural land base totalling less than 2 ha, (b) is used to grow crops that are intentionally flooded for harvest, or (c) is composed of organic soils commonly referred to as peat or muck soils.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 53(2)<\/a><\/p><\/li><\/ul><h4>Laboratory and analysis<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">If phosphorus test results are obtained using a method other than that commonly referred to as the &quot;Kelowna method&quot;, the results must be converted to a value that is equivalent to the results that would have been obtained if the Kelowna method had been used.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 55(2)<\/a><\/p><\/li><\/ul><h4>Field identifiers<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">A person who applies nutrient sources to land, other than land that is part of an agricultural operation having an agricultural land base totalling less than 2 ha, must make and keep records of all of the following in respect of each field to which the nutrient sources are applied: (a) the location and size of the field;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 51(2)(a)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">(h) the results of testing conducted under section 53<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 51(2)(h)<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">B.C. Reg. 8\/2019, Code of Practice for Agricultural Environmental Management (BC Laws)<\/a> <span class=\"ssr-kind\">Law<\/span><\/li><\/ul><p class=\"ssr-dates\">Sources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team.<\/p><\/div><\/div><\/details><\/td><\/tr>\n<\/tbody>\n<tbody id=\"rule-ca-bc-aem-code-post-harvest-nitrate-test\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"CA\" data-r=\"CA-BC\" data-p=\"n\" data-s=\"conditional\" data-m=\"representative\" data-q=\"canada | british columbia | code of practice for agricultural environmental management | post-harvest soil nitrate test | code of practice for agricultural environmental management, b.c. reg. 8\/2019, under the environmental management act (consolidation current to october 27, 2026) | sections 51(2), 53 and 54 | nitrogen | british columbia | b.c. | canada | aemcop | code of practice for agricultural environmental management | phnt | post-harvest nitrate test\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">British Columbia<\/span><span class=\"ssr-sub\">Canada<\/span><span class=\"ssr-sub\">British Columbia only. Other provinces have their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Post-harvest soil nitrate test<\/span><span class=\"ssr-sub\">Code of Practice for Agricultural Environmental Management<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Repeat<\/span> At least once every 3 years; again the following year when the result is 100 kg N\/ha or more<\/li><li><span class=\"k\">Season<\/span> For a post-harvest nitrate test: after the last harvest of the growing season, before the autumn rains typically begin<\/li><\/ul><\/td><td role=\"cell\" data-label=\"Area per sample\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Method\">A representative sample, or an equivalent test that gives representative results.<\/td><td role=\"cell\" data-label=\"Depth\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Cores\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Status and source\" class=\"ssr-stat\"><span class=\"ssr-badge is-conditional\">Conditional<\/span><a class=\"ssr-src\" href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">B.C. Reg. 8\/2019, Code of Practice for Agricultural Environmental Management (BC Laws)<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"ca-bc-aem-code-post-harvest-nitrate-test\" data-c=\"British Columbia\"><summary>Who it applies to, the exact wording and every source<\/summary><div class=\"ssr-det\"><dl class=\"ssr-facts\"><div><dt>Who it applies to<\/dt><dd>Anyone who applies nutrient sources to land for an agricultural operation on a land base not zoned for residential purposes. Nutrient sources include commercial fertilizers, agricultural by-products such as manure, compost and other listed materials. The soil in each field is tested.<\/dd><\/div><div><dt>Outside the rule<\/dt><dd>Operations with an agricultural land base under 2 ha, crops intentionally flooded for harvest, and peat or muck soils.<\/dd><\/div><div><dt>Laboratory and analysis<\/dt><dd>A post-harvest nitrate test, or an equivalent test, measuring nitrate-N left in the soil by the last crop.<\/dd><\/div><div><dt>Field identifiers<\/dt><dd>Records for each field: its location and size, and the soil test results (land bases of 2 ha or more).<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Code of Practice for Agricultural Environmental Management, B.C. Reg. 8\/2019, under the Environmental Management Act (consolidation current to October 27, 2026), Sections 51(2), 53 and 54<\/dd><\/div><\/dl><div class=\"ssr-wording\"><h3>The wording in the source<\/h3><h4>Timing<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">if the result of a nitrate test for the field is 100 kg N\/ha or more, a nitrate test must be conducted again for that field the following year;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 53(1)(a)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">if paragraph (a) does not apply, a nitrate test must be conducted at least once every 3 years;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 53(1)(b)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">after the last harvest of the growing season but before the autumn rains typically begin;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 54(a)(ii)<\/a><\/p><\/li><\/ul><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">a post-harvest nitrate test that measures the amount of nitrate-nitrogen left in soil and not used by the most recently harvested crop must be conducted (i) using a representative sample, and<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 54(a)(i)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">a test equivalent to a post-harvest nitrate test that will produce results representative of the amount of nitrate-nitrogen left in soil and not used by the most recently harvested crop.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 54(b)<\/a><\/p><\/li><\/ul><h4>Who it applies to<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Subject to subsection (2), a person who applies nutrient sources to land must have the soil in each field tested as follows:<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 53(1)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">This Division applies to a person who applies nutrient sources for the purposes of an agricultural operation.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 48<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">&quot;nutrient source&quot; means any of the following things that are a source of nitrogen or phosphorus: (a) commercial fertilizers and soil conditioners; (b) agricultural by-products; (c) mixtures produced using agricultural composting processes;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 1, definition of nutrient source<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">on an agricultural land base that is not zoned for residential purposes, and<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 2(2)(a)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">&quot;agricultural by-product&quot; (a) includes, subject to paragraph (b), \u2026 (ii) manure,<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 1, definition of agricultural by-product<\/a><\/p><\/li><\/ul><h4>Outside the rule<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Subsection (1) does not apply if the land to which nutrient sources are being applied (a) is part of an agricultural operation having an agricultural land base totalling less than 2 ha, (b) is used to grow crops that are intentionally flooded for harvest, or (c) is composed of organic soils commonly referred to as peat or muck soils.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 53(2)<\/a><\/p><\/li><\/ul><h4>Laboratory and analysis<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">a post-harvest nitrate test that measures the amount of nitrate-nitrogen left in soil and not used by the most recently harvested crop<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 54(a)<\/a><\/p><\/li><\/ul><h4>Field identifiers<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">A person who applies nutrient sources to land, other than land that is part of an agricultural operation having an agricultural land base totalling less than 2 ha, must make and keep records of all of the following in respect of each field to which the nutrient sources are applied: (a) the location and size of the field;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 51(2)(a)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">(h) the results of testing conducted under section 53<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">s. 51(2)(h)<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/www.bclaws.gov.bc.ca\/civix\/document\/id\/complete\/statreg\/8_2019\" data-ssr-src rel=\"noopener\">B.C. Reg. 8\/2019, Code of Practice for Agricultural Environmental Management (BC Laws)<\/a> <span class=\"ssr-kind\">Law<\/span><\/li><\/ul><p class=\"ssr-dates\">Sources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team.<\/p><\/div><\/div><\/details><\/td><\/tr>\n<\/tbody>\n<tbody id=\"rule-ca-bc-agriculture-basic-soil-fertility-sampling\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"CA\" data-r=\"CA-BC\" data-p=\"fertility\" data-s=\"official_guidance\" data-m=\"zone\" data-q=\"canada | british columbia | bc ministry of agriculture and food soil sampling advice | basic soil fertility test (ph, p, k) | government of british columbia, soil nutrient testing: soil sampling guidelines, timing and depth, methods and tools | ph, p, k, mg | british columbia | b.c. | canada | aemcop | code of practice for agricultural environmental management | phnt | post-harvest nitrate test\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">British Columbia<\/span><span class=\"ssr-sub\">Canada<\/span><span class=\"ssr-sub\">British Columbia only. Other provinces have their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Basic soil fertility test (pH, P, K)<\/span><span class=\"ssr-sub\">BC Ministry of Agriculture and Food soil sampling advice<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Repeat<\/span> Every 1 to 3 years<\/li><li><span class=\"k\">Season<\/span> Before planting or before the spring growing season; fall where spring sampling is not practical<\/li><\/ul><\/td><td role=\"cell\" data-label=\"Area per sample\">Sampling zones of up to 10 ha (25 acres)<\/td><td role=\"cell\" data-label=\"Method\">Composite sample from each sampling zone of uniform soils, cropping and management; random locations across the zone.<\/td><td role=\"cell\" data-label=\"Depth\">Surface to 15 cm (6 inches)<\/td><td role=\"cell\" data-label=\"Cores\">15 to 20 samples at random locations for most field crops; 30 to 40 where band locations are unknown<\/td><td role=\"cell\" data-label=\"Status and source\" class=\"ssr-stat\"><span class=\"ssr-badge is-official_guidance\">Official guidance<\/span><a class=\"ssr-src\" href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/soil-sampling-guidelines\" data-ssr-src rel=\"noopener\">gov.bc.ca, Soil sampling guidelines<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"ca-bc-agriculture-basic-soil-fertility-sampling\" data-c=\"British Columbia\"><summary>Who it applies to, the exact wording and every source<\/summary><div class=\"ssr-det\"><dl class=\"ssr-facts\"><div><dt>Who it applies to<\/dt><dd>Advice for British Columbia farms from the provincial agriculture ministry. Not law.<\/dd><\/div><div><dt>Field identifiers<\/dt><dd>A unique name or number for each sampling zone, kept with past results.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Government of British Columbia, Soil nutrient testing: soil sampling guidelines, timing and depth, methods and tools<\/dd><\/div><\/dl><div class=\"ssr-wording\"><h3>The wording in the source<\/h3><h4>Timing<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">A basic soil fertility test should be completed every one to three years before planting or before the growing season begins in spring.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/sample-timing-and-depth\" data-ssr-src rel=\"noopener\">Sample timing and depth, Basic soil fertility test<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">In regions of B.C. where soil conditions prevent timely sampling and analysis of soil before planting, then sampling and analysis may be completed in the fall.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/sample-timing-and-depth\" data-ssr-src rel=\"noopener\">Sample timing and depth<\/a><\/p><\/li><\/ul><h4>Area per sample<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Sampling zones for the basic soil fertility test should be limited to a 10-hectare (25-acre) size.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/soil-sampling-methods-tools\" data-ssr-src rel=\"noopener\">Soil sampling methods and tools, sampling zones<\/a><\/p><\/li><\/ul><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Fields and production areas should be divided or grouped into sampling zones that have the same soils, cropping systems, and management. Each sampling zone should be sampled independently to create a composite soil sample that will be representative of the entire sampling zone.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/soil-sampling-methods-tools\" data-ssr-src rel=\"noopener\">Soil sampling methods and tools<\/a><\/p><\/li><\/ul><h4>Depth<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Soil samples should be taken from the surface to 15-cm depth for basic soil fertility testing.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/sample-timing-and-depth\" data-ssr-src rel=\"noopener\">Sample timing and depth<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Basic soil fertility test measures the pH and concentrations of phosphorus (P), potassium (K), and other plant nutrients in the upper 15 cm (6 in) of the soil.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/soil-sampling-guidelines\" data-ssr-src rel=\"noopener\">Soil sampling guidelines<\/a><\/p><\/li><\/ul><h4>Cores<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">If nitrogen (N) is broadcast applied, take 15-20 soil samples at random locations throughout the field. If N is banded and the band location is known, take 15-20 samples at random locations throughout the field while avoiding the band. If the band location is unknown, take 30-40 samples at random locations throughout the field.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/soil-sampling-methods-tools\" data-ssr-src rel=\"noopener\">Soil sampling methods and tools, General<\/a><\/p><\/li><\/ul><h4>Field identifiers<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Assign a unique identifier to each sampling zone, such as a name or number, to keep track of each year\u2019s sampling areas.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/soil-sampling-methods-tools\" data-ssr-src rel=\"noopener\">Soil sampling methods and tools<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/soil-sampling-guidelines\" data-ssr-src rel=\"noopener\">gov.bc.ca, Soil sampling guidelines<\/a> <span class=\"ssr-kind\">Guidance<\/span><\/li><li><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/sample-timing-and-depth\" data-ssr-src rel=\"noopener\">gov.bc.ca, Sample timing and depth<\/a> <span class=\"ssr-kind\">Guidance<\/span><\/li><li><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/soil-sampling-methods-tools\" data-ssr-src rel=\"noopener\">gov.bc.ca, Soil sampling methods and tools<\/a> <span class=\"ssr-kind\">Guidance<\/span><\/li><\/ul><p class=\"ssr-dates\">Sources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team.<\/p><\/div><\/div><\/details><\/td><\/tr>\n<\/tbody>\n<tbody id=\"rule-ca-bc-agriculture-post-harvest-nitrate-sampling\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"CA\" data-r=\"CA-BC\" data-p=\"n\" data-s=\"official_guidance\" data-m=\"zone\" data-q=\"canada | british columbia | bc ministry of agriculture and food post-harvest nitrate test advice | post-harvest nitrate test sampling | government of british columbia, soil nutrient testing: sample timing and depth, methods and tools | nitrogen | british columbia | b.c. | canada | aemcop | code of practice for agricultural environmental management | phnt | post-harvest nitrate test\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">British Columbia<\/span><span class=\"ssr-sub\">Canada<\/span><span class=\"ssr-sub\">British Columbia only. Other provinces have their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Post-harvest nitrate test sampling<\/span><span class=\"ssr-sub\">BC Ministry of Agriculture and Food post-harvest nitrate test advice<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Season<\/span> After harvest, before 75 mm (coarser soils: sand, loamy sand, sandy loam) or 125 mm (finer soils: loam, clay loam, clay) of cumulative precipitation counted from September 1. Late samples go to 60 cm.<\/li><\/ul><\/td><td role=\"cell\" data-label=\"Area per sample\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Method\">Composite sample from each sampling zone. Nitrate zones have no size limit where soils, cropping and management do not differ.<\/td><td role=\"cell\" data-label=\"Depth\">0 to 30 cm (12 inches). 0 to 60 cm (24 inches) when the 30 cm date is missed.<\/td><td role=\"cell\" data-label=\"Cores\">15 to 20 samples at random locations for most field crops; 30 to 40 where band locations are unknown<\/td><td role=\"cell\" data-label=\"Status and source\" class=\"ssr-stat\"><span class=\"ssr-badge is-official_guidance\">Official guidance<\/span><a class=\"ssr-src\" href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/sample-timing-and-depth\" data-ssr-src rel=\"noopener\">gov.bc.ca, Sample timing and depth<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"ca-bc-agriculture-post-harvest-nitrate-sampling\" data-c=\"British Columbia\"><summary>Who it applies to, the exact wording and every source<\/summary><div class=\"ssr-det\"><dl class=\"ssr-facts\"><div><dt>Who it applies to<\/dt><dd>Advice for British Columbia farms from the provincial agriculture ministry, for the post-harvest nitrate test the Code requires. Not law.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Government of British Columbia, Soil nutrient testing: sample timing and depth, methods and tools<\/dd><\/div><\/dl><div class=\"ssr-wording\"><h3>The wording in the source<\/h3><h4>Timing<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Coarser soils (sand, loamy sand, and sandy loam) should be sampled before 75 mm of cumulative precipitation, while finer soils (loams, clay loam, and clay) should be sampled before 125 mm of cumulative precipitation. September 1 is the starting point for calculating cumulative fall precipitation.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/sample-timing-and-depth\" data-ssr-src rel=\"noopener\">Sample timing and depth, PHNT<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Complete a post-harvest nitrate test after harvest but before autumn rain leaches nitrate out of the upper portion of the soil sampling zone.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/post-harvest-nitrate-testing\" data-ssr-src rel=\"noopener\">Post-harvest nitrate testing<\/a><\/p><\/li><\/ul><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Sampling zones measuring nitrate are not limited to a size when no other differences in soils, cropping system, or management exist.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/soil-sampling-methods-tools\" data-ssr-src rel=\"noopener\">Soil sampling methods and tools, sampling zones<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Each sampling zone should be sampled independently to create a composite soil sample that will be representative of the entire sampling zone.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/soil-sampling-methods-tools\" data-ssr-src rel=\"noopener\">Soil sampling methods and tools<\/a><\/p><\/li><\/ul><h4>Depth<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Producers should complete a PHNT to a 30-cm depth after harvest but before fall precipitation leaches nitrate out of the soil sampling zone.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/sample-timing-and-depth\" data-ssr-src rel=\"noopener\">Sample timing and depth, PHNT<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">If soils are not sampled before the dates noted in the tables above, samples should be taken to a 60-cm (24-in) depth to capture post-harvest nitrate, which has moved lower into the soil profile.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/sample-timing-and-depth\" data-ssr-src rel=\"noopener\">Sample timing and depth, What if sampling is not completed in time?<\/a><\/p><\/li><\/ul><h4>Cores<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">If nitrogen (N) is broadcast applied, take 15-20 soil samples at random locations throughout the field. If N is banded and the band location is known, take 15-20 samples at random locations throughout the field while avoiding the band. If the band location is unknown, take 30-40 samples at random locations throughout the field.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/soil-sampling-methods-tools\" data-ssr-src rel=\"noopener\">Soil sampling methods and tools, General<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/sample-timing-and-depth\" data-ssr-src rel=\"noopener\">gov.bc.ca, Sample timing and depth<\/a> <span class=\"ssr-kind\">Guidance<\/span><\/li><li><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/soil-sampling-methods-tools\" data-ssr-src rel=\"noopener\">gov.bc.ca, Soil sampling methods and tools<\/a> <span class=\"ssr-kind\">Guidance<\/span><\/li><li><a href=\"https:\/\/www2.gov.bc.ca\/gov\/content\/industry\/agriculture-seafood\/agricultural-land-and-environment\/soil-nutrients\/nutrient-management\/what-to-apply\/soil-nutrient-testing\/post-harvest-nitrate-testing\" data-ssr-src rel=\"noopener\">gov.bc.ca, Post-harvest nitrate testing<\/a> <span class=\"ssr-kind\">Guidance<\/span><\/li><\/ul><p class=\"ssr-dates\">Sources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team.<\/p><\/div><\/div><\/details><\/td><\/tr>\n<\/tbody>\n<tbody id=\"rule-ca-mb-lmmm-reg-42-98-manure-plan\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"CA\" data-r=\"CA-MB\" data-p=\"n\" data-s=\"conditional\" data-m=\"representative\" data-q=\"canada | manitoba | livestock manure and mortalities management regulation: manure management plans | soil nutrient analysis for a manure management plan | livestock manure and mortalities management regulation, m.r. 42\/98, under the environment act (last amendment m.r. 115\/2025) | sections 12(1.4.1), 12.1 and 13 | nitrogen | manitoba | canada | manure management plan | livestock manure and mortalities management regulation | olsen\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">Manitoba<\/span><span class=\"ssr-sub\">Canada<\/span><span class=\"ssr-sub\">Manitoba only. Other provinces have their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Soil nutrient analysis for a manure management plan<\/span><span class=\"ssr-sub\">Livestock Manure and Mortalities Management Regulation: manure management plans<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Area per sample\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Method\">For the residual nitrate limits, sampling follows guidelines published or approved by the Manitoba Department of Agriculture.<\/td><td role=\"cell\" data-label=\"Depth\">The director may refuse a plan whose soil nutrient analysis reports rest on samples taken to less than 0.6 m (2 feet). Soil test phosphorus is read in the top 0.15 m (6 inches).<\/td><td role=\"cell\" data-label=\"Cores\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Status and source\" class=\"ssr-stat\"><span class=\"ssr-badge is-conditional\">Conditional<\/span><a class=\"ssr-src\" href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=42\/98\" data-ssr-src rel=\"noopener\">M.R. 42\/98, consolidated text current from 12 December 2025<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"ca-mb-lmmm-reg-42-98-manure-plan\" data-c=\"Manitoba\"><summary>Who it applies to, the exact wording and every source<\/summary><div class=\"ssr-det\"><dl class=\"ssr-facts\"><div><dt>Who it applies to<\/dt><dd>Operators of agricultural operations with 300 animal units or more, and smaller operations the director notifies in writing. A manure management plan is submitted for registration before manure is applied for each growing season, and the director may refuse a plan whose soil nutrient analysis reports do not meet the depth and method rules.<\/dd><\/div><div><dt>Outside the rule<\/dt><dd>Operations under 300 animal units, unless they expand to 300 or more, or the director notifies the operator in writing that the plan rule applies.<\/dd><\/div><div><dt>Laboratory and analysis<\/dt><dd>The director may refuse a plan whose soil nutrient analysis reports do not rest on analytical procedures acceptable to the director. Soil test phosphorus by the Olsen (sodium bicarbonate) procedure.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Livestock Manure and Mortalities Management Regulation, M.R. 42\/98, under The Environment Act (last amendment M.R. 115\/2025), Sections 12(1.4.1), 12.1 and 13<\/dd><\/div><\/dl><div class=\"ssr-wording\"><h3>The wording in the source<\/h3><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">For the purpose of subsection (1.4), soil sampling is to be conducted in accordance with guidelines published or approved by the Department of Agriculture and residual nitrate limits are to be determined in accordance with those guidelines.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=42\/98\" data-ssr-src rel=\"noopener\">s. 12(1.4.1)<\/a><\/p><\/li><\/ul><h4>Depth<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">the soil nutrient analysis reports submitted with the manure management plan are based on soil samples taken to a depth of less than 0.6 m (2 feet)<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=42\/98\" data-ssr-src rel=\"noopener\">s. 13(5)(d), grounds to refuse registration<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Where soil test phosphorus levels within the top 0.15 m (6 inches) of soil, as determined using the Olsen procedure at any place in the application area, are<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=42\/98\" data-ssr-src rel=\"noopener\">s. 12.1(2)<\/a><\/p><\/li><\/ul><h4>Who it applies to<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">No person shall store, handle or dispose of livestock manure, or apply livestock manure to land, except in accordance with a manure management plan registered with the director in accordance with subsection (4).<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=42\/98\" data-ssr-src rel=\"noopener\">s. 13(1)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Before applying livestock manure to land as part of the fertilization program for a growing season, an operator shall submit a manure management plan for the growing season to the director for registration.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=42\/98\" data-ssr-src rel=\"noopener\">s. 13(4)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">The director may register a manure management plan submitted under subsection (4), or may refuse to register the plan if<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=42\/98\" data-ssr-src rel=\"noopener\">s. 13(5)<\/a><\/p><\/li><\/ul><h4>Outside the rule<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Subsection (1) does not apply to the operator of or a person employed in an agricultural operation that has fewer than 300 animal units, unless<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=42\/98\" data-ssr-src rel=\"noopener\">s. 13(3.1)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">the operation is expanded after the day this subsection comes into force and the expansion results in the number of animal units in the expanded operation being 300 or more<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=42\/98\" data-ssr-src rel=\"noopener\">s. 13(3.1)(a)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">notifies the operator in writing that subsection (1) applies to the agricultural operation for the period specified in the notice.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=42\/98\" data-ssr-src rel=\"noopener\">s. 13(3.1)(b)(ii)<\/a><\/p><\/li><\/ul><h4>Laboratory and analysis<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">the soil nutrient analysis reports submitted with the manure management plan are not based on analytical procedures acceptable to the director.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=42\/98\" data-ssr-src rel=\"noopener\">s. 13(5)(e)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">&quot;Olsen procedure&quot; means the sodium bicarbonate extractant method of determining soil test phosphorus<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=42\/98\" data-ssr-src rel=\"noopener\">s. 1, definitions<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">&quot;soil test phosphorus level&quot; means the concentration of phosphorus within the top 0.15 m (6 in.) of soil as determined using the sodium bicarbonate extractant soil test procedure<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=62\/2008\" data-ssr-src rel=\"noopener\">M.R. 62\/2008, s. 8(1)<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=42\/98\" data-ssr-src rel=\"noopener\">M.R. 42\/98, consolidated text current from 12 December 2025<\/a> <span class=\"ssr-kind\">Law<\/span><\/li><li><a href=\"https:\/\/web2.gov.mb.ca\/laws\/regs\/current\/_pdf-regs.php?reg=62\/2008\" data-ssr-src rel=\"noopener\">Nutrient Management Regulation, M.R. 62\/2008, s. 8(1) definition<\/a> <span class=\"ssr-kind\">Law<\/span><\/li><\/ul><p class=\"ssr-dates\">Sources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team.<\/p><\/div><\/div><\/details><\/td><\/tr>\n<\/tbody>\n<tbody id=\"rule-ca-mb-soil-fertility-guide-sampling\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"CA\" data-r=\"CA-MB\" data-p=\"fertility\" data-s=\"official_guidance\" data-m=\"grid zone\" data-q=\"canada | manitoba | manitoba soil fertility guide advice | routine soil fertility sampling | manitoba agriculture, soil fertility guide, fertilizer recommendation guidelines | ph, p, k, mg | manitoba | canada | manure management plan | livestock manure and mortalities management regulation | olsen\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">Manitoba<\/span><span class=\"ssr-sub\">Canada<\/span><span class=\"ssr-sub\">Manitoba only. Other provinces have their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Routine soil fertility sampling<\/span><span class=\"ssr-sub\">Manitoba Soil Fertility Guide advice<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Repeat<\/span> Every field sampled and tested every year<\/li><li><span class=\"k\">Season<\/span> Before seeding in spring, or the preceding fall after soils cool<\/li><\/ul><\/td><td role=\"cell\" data-label=\"Area per sample\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Method\">Composite random sampling, benchmark sampling, grid sampling or landscape directed (zone) sampling.<\/td><td role=\"cell\" data-label=\"Depth\">Full 24 inches (60.96 cm) for nitrate and sulphate. P, K and micronutrients in the top 6 inches (15.24 cm).<\/td><td role=\"cell\" data-label=\"Cores\">15 to 20 cores per field composite sample (traditional random sampling)<\/td><td role=\"cell\" data-label=\"Status and source\" class=\"ssr-stat\"><span class=\"ssr-badge is-official_guidance\">Official guidance<\/span><a class=\"ssr-src\" href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Manitoba Agriculture, Soil Fertility Guide, Fertilizer Recommendation Guidelines<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"ca-mb-soil-fertility-guide-sampling\" data-c=\"Manitoba\"><summary>Who it applies to, the exact wording and every source<\/summary><div class=\"ssr-det\"><dl class=\"ssr-facts\"><div><dt>Who it applies to<\/dt><dd>Advice for Manitoba farms from the provincial agriculture department. Not law.<\/dd><\/div><div><dt>Laboratory and analysis<\/dt><dd>Nitrate-N and sulphate-S to 24 inches, Olsen (sodium bicarbonate) P and ammonium acetate K in the top 6 inches.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Manitoba Agriculture, Soil Fertility Guide, Fertilizer Recommendation Guidelines<\/dd><\/div><\/dl><div class=\"ssr-wording\"><h3>The wording in the source<\/h3><h4>Timing<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">An effective on-farm soil testing program is one in which every field is properly sampled and tested every year.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Fertilizer Recommendation Guidelines, opening<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Samples should be taken prior to seeding in spring, or in the preceding fall after soil temperatures drop.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Soil sampling and sample processing<\/a><\/p><\/li><\/ul><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">15-20 cores are randomly taken throughout a field, thoroughly mixed, subsampled and sent to the lab as a single sample.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Sampling Patterns, Traditional Composite Random Sampling<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">The field is divided into small areas or blocks.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Sampling Patterns, Grid Soil Sampling<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">This technique (Figure 7) is used when major areas within fields have distinctly different soil properties, such as texture or landscape features.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Sampling Patterns, Landscape Directed or Zone Soil Sampling<\/a><\/p><\/li><\/ul><h4>Depth<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Samples should be taken to the full 24&quot; depth to get a proper and complete measure of the amounts of nutrients (particularly nitrogen and sulphur) available.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Soil sampling and sample processing<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">&quot;Olsen&quot; (sodium bicarbonate) technique measures extractable P in the top 6&quot; depth<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Proper soil analysis techniques, Phosphorus<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">The &quot;Ammonium Acetate Exchange&quot; technique measures exchangeable K in the top 6&quot; depth.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Proper soil analysis techniques, Potassium<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Diethylene triamine pentaacetic acid (DTPA) extractable in the top 6&quot; depth.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Proper soil analysis techniques, Copper, Zinc, Iron, Manganese<\/a><\/p><\/li><\/ul><h4>Cores<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">15-20 cores are randomly taken throughout a field, thoroughly mixed, subsampled and sent to the lab as a single sample.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Traditional Composite Random Sampling<\/a><\/p><\/li><\/ul><h4>Laboratory and analysis<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Water soluble nitrate-nitrogen measured to the 24&quot; depth.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Proper soil analysis techniques, Nitrogen<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">The &quot;Ammonium Acetate Exchange&quot; technique measures exchangeable K in the top 6&quot; depth.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Proper soil analysis techniques, Potassium<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Water soluble sulphate-sulphur measured to the 24&quot; depth.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Proper soil analysis techniques, Sulphur<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/www.gov.mb.ca\/agriculture\/crops\/soil-fertility\/soil-fertility-guide\/print,fertilizer-recommendation-guidelines.html\" data-ssr-src rel=\"noopener\">Manitoba Agriculture, Soil Fertility Guide, Fertilizer Recommendation Guidelines<\/a> <span class=\"ssr-kind\">Guidance<\/span><\/li><\/ul><p class=\"ssr-dates\">Sources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team.<\/p><\/div><\/div><\/details><\/td><\/tr>\n<\/tbody>\n<tbody id=\"rule-ca-nl-ffa-soil-sampling-guide\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"CA\" data-r=\"CA-NL\" data-p=\"fertility\" data-s=\"official_guidance\" data-m=\"pattern\" data-q=\"canada | newfoundland and labrador | provincial soil, plant and feed laboratory sampling advice | routine soil fertility sampling | department of fisheries, forestry and agriculture, soil sampling guide (guide_st 25\/05) | ph, p, k, mg | newfoundland | labrador | newfoundland and labrador | canada | terre-neuve\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">Newfoundland and Labrador<\/span><span class=\"ssr-sub\">Canada<\/span><span class=\"ssr-sub\">Newfoundland and Labrador only. Other provinces have their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Routine soil fertility sampling<\/span><span class=\"ssr-sub\">Provincial Soil, Plant and Feed Laboratory sampling advice<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Repeat<\/span> Every year for a field in rotation; every 2 years when growing the same crop<\/li><li><span class=\"k\">Season<\/span> Any time; fall sampling returns results in time for the next planting, early fall for fall liming<\/li><\/ul><\/td><td role=\"cell\" data-label=\"Area per sample\">One sample per 5 ha<\/td><td role=\"cell\" data-label=\"Method\">Walk a W pattern across each uniform field; sample different areas separately.<\/td><td role=\"cell\" data-label=\"Depth\">20 cm; 6 cm for sod crops (depths given in the shovel directions).<\/td><td role=\"cell\" data-label=\"Cores\">10 individual samples per field of 5 ha or less<\/td><td role=\"cell\" data-label=\"Status and source\" class=\"ssr-stat\"><span class=\"ssr-badge is-official_guidance\">Official guidance<\/span><a class=\"ssr-src\" href=\"https:\/\/www.gov.nl.ca\/fisheries\/files\/Soil-Sampling-Guide-June-2025.pdf\" data-ssr-src rel=\"noopener\">Government of Newfoundland and Labrador, Soil Sampling Guide (PDF, June 2025)<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"ca-nl-ffa-soil-sampling-guide\" data-c=\"Newfoundland and Labrador\"><summary>Who it applies to, the exact wording and every source<\/summary><div class=\"ssr-det\"><dl class=\"ssr-facts\"><div><dt>Who it applies to<\/dt><dd>Advice for Newfoundland and Labrador farms from the provincial agriculture department and its soil laboratory. Not law.<\/dd><\/div><div><dt>Field identifiers<\/dt><dd>A number for each field, the same as in previous soil test submissions.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Department of Fisheries, Forestry and Agriculture, Soil Sampling Guide (GUIDE_ST 25\/05)<\/dd><\/div><\/dl><div class=\"ssr-wording\"><h3>The wording in the source<\/h3><h4>Timing<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">As a rule, test soils every year for a field that is on crop rotation, or every 2 years when growing the same crop.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.nl.ca\/fisheries\/files\/Soil-Sampling-Guide-June-2025.pdf\" data-ssr-src rel=\"noopener\">Soil Sampling Guide, page 1<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Soil sampling can be done at any time, but remember the following:<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.nl.ca\/fisheries\/files\/Soil-Sampling-Guide-June-2025.pdf\" data-ssr-src rel=\"noopener\">When to Sample<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Fall sampling assures you that your results are returned in time for your next planting and allows for appropriate planning<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.nl.ca\/fisheries\/files\/Soil-Sampling-Guide-June-2025.pdf\" data-ssr-src rel=\"noopener\">When to Sample<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Early fall sampling allows you to receive results for fall liming<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.nl.ca\/fisheries\/files\/Soil-Sampling-Guide-June-2025.pdf\" data-ssr-src rel=\"noopener\">When to Sample<\/a><\/p><\/li><\/ul><h4>Area per sample<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Walk a \u201cW\u201d pattern and take ten (10) individual samples from each field 5 hectares or less (submit one sample per 5 hectares).<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.nl.ca\/fisheries\/files\/Soil-Sampling-Guide-June-2025.pdf\" data-ssr-src rel=\"noopener\">Taking Samples, page 2<\/a><\/p><\/li><\/ul><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Walk a \u201cW\u201d pattern and take ten (10) individual samples from each field 5 hectares or less (submit one sample per 5 hectares).<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.nl.ca\/fisheries\/files\/Soil-Sampling-Guide-June-2025.pdf\" data-ssr-src rel=\"noopener\">Taking Samples, page 2<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Samples should be taken from each field that appears uniform.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.nl.ca\/fisheries\/files\/Soil-Sampling-Guide-June-2025.pdf\" data-ssr-src rel=\"noopener\">Taking Samples, page 2<\/a><\/p><\/li><\/ul><h4>Depth<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Take a slice down one side of the hole to a depth of 20 cm. Six (6) cm is suitable for sod crops.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.nl.ca\/fisheries\/files\/Soil-Sampling-Guide-June-2025.pdf\" data-ssr-src rel=\"noopener\">Taking Samples, shovel directions<\/a><\/p><\/li><\/ul><h4>Cores<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Take 10 such samples and mix them thoroughly to make a representative, or composite, field sample.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.nl.ca\/fisheries\/files\/Soil-Sampling-Guide-June-2025.pdf\" data-ssr-src rel=\"noopener\">Taking Samples, page 2<\/a><\/p><\/li><\/ul><h4>Field identifiers<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">ensure a number is assigned to each field. Use the same field numbers as used in previous soil test submissions.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.gov.nl.ca\/fisheries\/files\/Soil-Sampling-Guide-June-2025.pdf\" data-ssr-src rel=\"noopener\">Taking Samples, page 1<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/www.gov.nl.ca\/fisheries\/files\/Soil-Sampling-Guide-June-2025.pdf\" data-ssr-src rel=\"noopener\">Government of Newfoundland and Labrador, Soil Sampling Guide (PDF, June 2025)<\/a> <span class=\"ssr-kind\">Guidance<\/span><\/li><\/ul><p class=\"ssr-dates\">Sources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team.<\/p><\/div><\/div><\/details><\/td><\/tr>\n<\/tbody>\n<tbody id=\"rule-ca-ns-perennia-how-to-take-a-soil-sample\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"CA\" data-r=\"CA-NS\" data-p=\"fertility\" data-s=\"official_guidance\" data-m=\"pattern grid\" data-q=\"canada | nova scotia | perennia soil sampling advice | routine soil fertility sampling | perennia food and agriculture corporation, how to take a soil sample? (fact sheet, 2026) | ph, p, k, mg | nova scotia | canada | perennia | nouvelle-ecosse | nouvelle-\u00e9cosse\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">Nova Scotia<\/span><span class=\"ssr-sub\">Canada<\/span><span class=\"ssr-sub\">Nova Scotia only. Other provinces have their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Routine soil fertility sampling<\/span><span class=\"ssr-sub\">Perennia soil sampling advice<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Repeat<\/span> Every 2 to 3 years for most crops<\/li><li><span class=\"k\">Season<\/span> Any time of year, at the same time each year; often in fall right after harvest<\/li><\/ul><\/td><td role=\"cell\" data-label=\"Area per sample\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Method\">One composite per field or sampling block, cores on a zig-zag. Grid sampling for a more detailed picture.<\/td><td role=\"cell\" data-label=\"Depth\">15 cm in a ploughed field, 8 cm in pasture. Other depths may be used for some crops or sampling goals.<\/td><td role=\"cell\" data-label=\"Cores\">At least 15 to 20 samples per field<\/td><td role=\"cell\" data-label=\"Status and source\" class=\"ssr-stat\"><span class=\"ssr-badge is-official_guidance\">Official guidance<\/span><a class=\"ssr-src\" href=\"https:\/\/www.perennia.ca\/wp-content\/uploads\/2026\/05\/01-How-to-Take-a-Soil-Sample.pdf\" data-ssr-src rel=\"noopener\">Perennia, How to Take a Soil Sample? (PDF, 2026)<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"ca-ns-perennia-how-to-take-a-soil-sample\" data-c=\"Nova Scotia\"><summary>Who it applies to, the exact wording and every source<\/summary><div class=\"ssr-det\"><dl class=\"ssr-facts\"><div><dt>Who it applies to<\/dt><dd>Advice for Nova Scotia farms from the provincial agriculture development agency. Not law.<\/dd><\/div><div><dt>Laboratory and analysis<\/dt><dd>For fertility, at minimum pH, macronutrients, micronutrients, base saturation, cation exchange capacity and organic matter.<\/dd><\/div><div><dt>Field identifiers<\/dt><dd>A unique ID for each field or block, kept on a farm map as a record.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Perennia Food and Agriculture Corporation, How to Take a Soil Sample? (fact sheet, 2026)<\/dd><\/div><\/dl><div class=\"ssr-wording\"><h3>The wording in the source<\/h3><h4>Timing<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Soil tests should be completed every 2-3 years for most crops.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.perennia.ca\/wp-content\/uploads\/2026\/05\/01-How-to-Take-a-Soil-Sample.pdf\" data-ssr-src rel=\"noopener\">When should a soil sample be taken?<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Soil samples can be taken at anytime of the year. Many producers prefer to take samples in the fall directly after the crop is harvested<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.perennia.ca\/wp-content\/uploads\/2026\/05\/01-How-to-Take-a-Soil-Sample.pdf\" data-ssr-src rel=\"noopener\">When should a soil sample be taken?<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">it is best to sample at the same time each year.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.perennia.ca\/wp-content\/uploads\/2026\/05\/01-How-to-Take-a-Soil-Sample.pdf\" data-ssr-src rel=\"noopener\">When should a soil sample be taken?<\/a><\/p><\/li><\/ul><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Collect one composite sample per field or block.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.perennia.ca\/wp-content\/uploads\/2026\/05\/01-How-to-Take-a-Soil-Sample.pdf\" data-ssr-src rel=\"noopener\">Before soil sampling, step 2<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Field Crop &#8211; The samples should be randomly taken in a zig-zag pattern throughout the field to ensure uniform distribution (Figure 2).<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.perennia.ca\/wp-content\/uploads\/2026\/05\/01-How-to-Take-a-Soil-Sample.pdf\" data-ssr-src rel=\"noopener\">Soil sampling, step 1<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">For a more detailed nutrient profile of your field, grid sampling (splitting a field into multiple plots and sampling each plot separately) can be used.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.perennia.ca\/wp-content\/uploads\/2026\/05\/01-How-to-Take-a-Soil-Sample.pdf\" data-ssr-src rel=\"noopener\">Special considerations<\/a><\/p><\/li><\/ul><h4>Depth<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">In a ploughed field, a soil sample should be taken at a 15cm depth, whereas in a pasture, a soil sample should be taken at an 8cm depth because the soil is not being mixed.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.perennia.ca\/wp-content\/uploads\/2026\/05\/01-How-to-Take-a-Soil-Sample.pdf\" data-ssr-src rel=\"noopener\">Soil depth note<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">however, other sampling depths may be used depending on the crop or your sampling goals.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.perennia.ca\/wp-content\/uploads\/2026\/05\/01-How-to-Take-a-Soil-Sample.pdf\" data-ssr-src rel=\"noopener\">Soil sampling, step 1<\/a><\/p><\/li><\/ul><h4>Cores<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Take at least 15-20 soil samples per field using a shovel, a probe, or an auger.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.perennia.ca\/wp-content\/uploads\/2026\/05\/01-How-to-Take-a-Soil-Sample.pdf\" data-ssr-src rel=\"noopener\">Soil sampling, step 1<\/a><\/p><\/li><\/ul><h4>Laboratory and analysis<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">For fertility purposes, each sample should be, at a minimum, analyzed for pH, micronutrients, macronutrients, base saturation, cation exchange capacity, and organic matter levels in the soil (coded as an S1 soil sample).<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.perennia.ca\/wp-content\/uploads\/2026\/05\/01-How-to-Take-a-Soil-Sample.pdf\" data-ssr-src rel=\"noopener\">What sample analysis should you request<\/a><\/p><\/li><\/ul><h4>Field identifiers<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Map out the fields from which you will take a soil sample and keep this map as a record (Figure 1). Give each field or block a unique ID which can be carried forward.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.perennia.ca\/wp-content\/uploads\/2026\/05\/01-How-to-Take-a-Soil-Sample.pdf\" data-ssr-src rel=\"noopener\">Before soil sampling, step 2<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/www.perennia.ca\/wp-content\/uploads\/2026\/05\/01-How-to-Take-a-Soil-Sample.pdf\" data-ssr-src rel=\"noopener\">Perennia, How to Take a Soil Sample? (PDF, 2026)<\/a> <span class=\"ssr-kind\">Guidance<\/span><\/li><\/ul><p class=\"ssr-dates\">Sources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team.<\/p><\/div><\/div><\/details><\/td><\/tr>\n<\/tbody>\n<tbody id=\"rule-ca-on-o-reg-267-03-nmp-soil-test\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"CA\" data-r=\"CA-ON\" data-p=\"fertility\" data-s=\"conditional\" data-m=\"representative pattern\" data-q=\"canada | ontario | nutrient management act, 2002: nutrient management plans for land receiving manure or anaerobic digestion output | soil test for a nutrient management plan | o. reg. 267\/03 (general) under the nutrient management act, 2002, with the sampling and analysis protocol (version july 1, 2021) it incorporates | section 91; sampling and analysis protocol sections 1.3.1.1 and 2.1 | ph, p, k, mg | ontario | canada | omafa | omafra | nutrient management act | o. reg. 267\/03 | nmp\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">Ontario<\/span><span class=\"ssr-sub\">Canada<\/span><span class=\"ssr-sub\">Ontario only. Other provinces have their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Soil test for a nutrient management plan<\/span><span class=\"ssr-sub\">Nutrient Management Act, 2002: nutrient management plans for land receiving manure or anaerobic digestion output<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Repeat<\/span> A sample while preparing each plan after the first. A plan ceases to be in force on its fifth anniversary, so at least once in each 5 year period.<\/li><li><span class=\"k\">Result valid<\/span> P and pH tested within the 5 years before nutrients are applied<\/li><\/ul><\/td><td role=\"cell\" data-label=\"Area per sample\">Normally at most 10 ha (25 acres) per sample. Up to 20 ha (50 acres) may be permitted where there is evidence that nutrient content is uniform (within 15 percent of the mean) and management is uniform.<\/td><td role=\"cell\" data-label=\"Method\">Representative composite from each field or section. Zig-zag traverse with random cores; separate samples for parts that differ markedly.<\/td><td role=\"cell\" data-label=\"Depth\">About 15 cm (6 inches), the depth normally tilled, also where no tillage is used. Soil nitrate samples 30 cm (12 inches).<\/td><td role=\"cell\" data-label=\"Cores\">At least 20 sub-samples under 5 ha (12.5 acres), plus at least 2 more for each additional hectare.<\/td><td role=\"cell\" data-label=\"Status and source\" class=\"ssr-stat\"><span class=\"ssr-badge is-conditional\">Conditional<\/span><a class=\"ssr-src\" href=\"https:\/\/www.ontario.ca\/laws\/regulation\/030267\" data-ssr-src rel=\"noopener\">O. Reg. 267\/03, General (e-Laws consolidation from April 1, 2024)<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"ca-on-o-reg-267-03-nmp-soil-test\" data-c=\"Ontario\"><summary>Who it applies to, the exact wording and every source<\/summary><div class=\"ssr-det\"><dl class=\"ssr-facts\"><div><dt>Who it applies to<\/dt><dd>Anyone required to have a nutrient management plan for an operation that applies manure or anaerobic digestion output to land. A sample from each field, or each part of the land the plan deals with separately, is collected while preparing the plan.<\/dd><\/div><div><dt>Outside the rule<\/dt><dd>For the first plan of an operation, set default soil concentrations (101 mg\/L P, 251 mg\/L K) may be used instead of a sample.<\/dd><\/div><div><dt>Laboratory and analysis<\/dt><dd>A laboratory accredited for that purpose by the Ministry of Agriculture, Food and Rural Affairs (the name in the regulation). Soil pH, buffer pH when pH is below 6.0, sodium bicarbonate P and ammonium acetate K.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>O. Reg. 267\/03 (General) under the Nutrient Management Act, 2002, with the Sampling and Analysis Protocol (version July 1, 2021) it incorporates, Section 91; Sampling and Analysis Protocol sections 1.3.1.1 and 2.1<\/dd><\/div><\/dl><div class=\"ssr-wording\"><h3>The wording in the source<\/h3><h4>Timing<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">must collect a representative soil sample from each field (or section of field) as part of developing the nutrient management plan, and then at least once during each five-year period for subsequent NMP.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/document\/sampling-and-analysis-protocol\" data-ssr-src rel=\"noopener\">Sampling and Analysis Protocol, 1.3.1.1 Soils receiving nutrients<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">a nutrient management plan ceases to be in force for an agricultural operation carried out on a farm unit on the fifth anniversary of,<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/laws\/regulation\/030267\" data-ssr-src rel=\"noopener\">O. Reg. 267\/03, s. 26 (1)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">The soil must have been sampled and tested for sodium bicarbonate extractable phosphorus content and pH within the five years immediately prior to applying the nutrients to land.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/document\/sampling-and-analysis-protocol\" data-ssr-src rel=\"noopener\">Sampling and Analysis Protocol, 1.3.1.1<\/a><\/p><\/li><\/ul><h4>Area per sample<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Normally, the largest area that can be represented by a single sample is ten hectares (25 acres).<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/document\/sampling-and-analysis-protocol\/sampling-methods\" data-ssr-src rel=\"noopener\">Sampling and Analysis Protocol, 2.1.4 Maximum field size<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">A single representative composite sample for fields larger than 10 hectares, up to a maximum of 20 hectares (50 acres), may be permitted where there is evidence to show that the nutrient content of the field is uniform (within 15% of the mean value), and that the management of the field is uniform.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/document\/sampling-and-analysis-protocol\/sampling-methods\" data-ssr-src rel=\"noopener\">Sampling and Analysis Protocol, 2.1.4<\/a><\/p><\/li><\/ul><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">The pattern of sub-sample collection must provide a representative sample of the entire area.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/document\/sampling-and-analysis-protocol\/sampling-methods\" data-ssr-src rel=\"noopener\">Sampling and Analysis Protocol, 2.1.1<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">The best way to ensure a representative sample of the field is to traverse the field in a zig-zag pattern, collecting grab or sub-samples (e.g., cores) randomly from the entire field area. Take separate samples for analysis from any parts of the field that differ markedly in appearance of the soil or the crop.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/document\/sampling-and-analysis-protocol\/sampling-methods\" data-ssr-src rel=\"noopener\">Sampling and Analysis Protocol, 2.1.5 Sample collection<\/a><\/p><\/li><\/ul><h4>Depth<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">The sub-samples must include the depth of soil that would normally be tilled. For most nutrients and other regulated parameters this depth is approximately 15 centimeters (6 inches). This depth is appropriate even where no tillage is used<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/document\/sampling-and-analysis-protocol\/sampling-methods\" data-ssr-src rel=\"noopener\">Sampling and Analysis Protocol, 2.1.1<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">The exception to this are the soil nitrate samples, which are collected at a depth of 30 cm (12 inches)<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/document\/sampling-and-analysis-protocol\/sampling-methods\" data-ssr-src rel=\"noopener\">Sampling and Analysis Protocol, 2.1.1<\/a><\/p><\/li><\/ul><h4>Cores<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">In small fields (less than 5 hectares, 12.5 acres) collect a minimum of twenty sub-samples (about 50 &#8211; 75 cm3 each), and mix them together thoroughly to produce the composite sample that is to be submitted for analysis. In larger fields (more than 5 hectares, 12.5 acres), at least two additional cores must be taken for each additional hectare (2.5 acres).<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/document\/sampling-and-analysis-protocol\/sampling-methods\" data-ssr-src rel=\"noopener\">Sampling and Analysis Protocol, 2.1.2 Number of sub-samples<\/a><\/p><\/li><\/ul><h4>Who it applies to<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Each person who is required to have a nutrient management plan for an agricultural operation, in the course of which manure or anaerobic digestion output that falls within the definition of agricultural source material is applied to land, that is not the first such plan for the operation, shall, as part of preparing the plan, collect at least one sample from the soil of the land or, if the plan deals with land in parts under subsection 24 (3), from each part of the land<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/laws\/regulation\/030267\" data-ssr-src rel=\"noopener\">O. Reg. 267\/03, s. 91 (2)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">must comply with this Regulation, the Nutrient Management Protocol and the Sampling and Analysis Protocol<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/laws\/regulation\/030267\" data-ssr-src rel=\"noopener\">O. Reg. 267\/03, s. 24 (1) (b)<\/a><\/p><\/li><\/ul><h4>Outside the rule<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">that is the first such plan for the operation, shall, as part of preparing the plan,<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/laws\/regulation\/030267\" data-ssr-src rel=\"noopener\">O. Reg. 267\/03, s. 91 (1)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">for the purpose of subsection 92 (1), use the following concentrations to calculate the maximum application rate to land: (i) 101 milligrams per litre of plant available phosphorus in the soil of the land. (ii) 251 milligrams per litre of plant available potassium in the soil of the land.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/laws\/regulation\/030267\" data-ssr-src rel=\"noopener\">O. Reg. 267\/03, s. 91 (1) (b)<\/a><\/p><\/li><\/ul><h4>Laboratory and analysis<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">The analysis mentioned in subsection (1) or (2) shall be performed by a laboratory that is accredited by the Ministry of Agriculture, Food and Rural Affairs for that purpose.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/laws\/regulation\/030267\" data-ssr-src rel=\"noopener\">O. Reg. 267\/03, s. 91 (4)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Soils must be analyzed for soil pH and, if the soil has a pH below 6.0, for buffer pH. They must also be analyzed for available phosphorus (using the sodium bicarbonate extractant) and available potassium (using the ammonium acetate extractant).<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/document\/sampling-and-analysis-protocol\" data-ssr-src rel=\"noopener\">Sampling and Analysis Protocol, 1.3.1.1<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/www.ontario.ca\/laws\/regulation\/030267\" data-ssr-src rel=\"noopener\">O. Reg. 267\/03, General (e-Laws consolidation from April 1, 2024)<\/a> <span class=\"ssr-kind\">Law<\/span><\/li><li><a href=\"https:\/\/www.ontario.ca\/document\/sampling-and-analysis-protocol\" data-ssr-src rel=\"noopener\">Sampling and Analysis Protocol, introduction (version July 1, 2021)<\/a> <span class=\"ssr-kind\">Law<\/span><\/li><li><a href=\"https:\/\/www.ontario.ca\/document\/sampling-and-analysis-protocol\/sampling-methods\" data-ssr-src rel=\"noopener\">Sampling and Analysis Protocol, 2.1 Soils in-situ<\/a> <span class=\"ssr-kind\">Law<\/span><\/li><\/ul><p class=\"ssr-dates\">Sources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team.<\/p><\/div><\/div><\/details><\/td><\/tr>\n<\/tbody>\n<tbody id=\"rule-ca-on-omafa-soil-sampling-guidance\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"CA\" data-r=\"CA-ON\" data-p=\"fertility\" data-s=\"official_guidance\" data-m=\"pattern grid\" data-q=\"canada | ontario | omafa soil sampling and analysis advice | routine soil fertility sampling | ontario ministry of agriculture, food and agribusiness, soil sampling and analysis: managing crop nutrients | ph, p, k, mg | ontario | canada | omafa | omafra | nutrient management act | o. reg. 267\/03 | nmp\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">Ontario<\/span><span class=\"ssr-sub\">Canada<\/span><span class=\"ssr-sub\">Ontario only. Other provinces have their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Routine soil fertility sampling<\/span><span class=\"ssr-sub\">OMAFA soil sampling and analysis advice<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Repeat<\/span> Once every 3 years is adequate for most farms; more often on coarse soils or high potassium removal crops<\/li><\/ul><\/td><td role=\"cell\" data-label=\"Area per sample\">At most 10 ha (25 acres) per sample<\/td><td role=\"cell\" data-label=\"Method\">Random cores on a zig-zag across uniform sampling areas. Precision, site specific or grid sampling allowed, not required.<\/td><td role=\"cell\" data-label=\"Depth\">About 15 cm (6 inches) for nutrients, unchanged under no-till. Nitrate 30 cm (1 ft). Under no-till with surface-applied nitrogen, a separate 5 cm (2 inches) sample checks surface pH only, not nutrients.<\/td><td role=\"cell\" data-label=\"Cores\">At least 20 cores, plus one per 0.4 ha (1 acre) in fields over 8 ha (20 acres)<\/td><td role=\"cell\" data-label=\"Status and source\" class=\"ssr-stat\"><span class=\"ssr-badge is-official_guidance\">Official guidance<\/span><a class=\"ssr-src\" href=\"https:\/\/www.ontario.ca\/page\/soil-sampling-and-analysis-managing-crop-nutrients\" data-ssr-src rel=\"noopener\">Ontario.ca, Soil sampling and analysis: managing crop nutrients<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"ca-on-omafa-soil-sampling-guidance\" data-c=\"Ontario\"><summary>Who it applies to, the exact wording and every source<\/summary><div class=\"ssr-det\"><dl class=\"ssr-facts\"><div><dt>Who it applies to<\/dt><dd>Advice for Ontario farms from the provincial agriculture ministry. Not law.<\/dd><\/div><div><dt>Laboratory and analysis<\/dt><dd>For a nutrient management plan, an OMAFA-accredited lab using OMAFA-accredited tests.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Ontario Ministry of Agriculture, Food and Agribusiness, Soil sampling and analysis: managing crop nutrients<\/dd><\/div><\/dl><div class=\"ssr-wording\"><h3>The wording in the source<\/h3><h4>Timing<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">For most farms, sampling once every three years is adequate.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/page\/soil-sampling-and-analysis-managing-crop-nutrients\" data-ssr-src rel=\"noopener\">Sample frequency<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">More frequent sampling is necessary on coarse-textured soils or where crops that remove large quantities of potassium are grown<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/page\/soil-sampling-and-analysis-managing-crop-nutrients\" data-ssr-src rel=\"noopener\">Sample frequency<\/a><\/p><\/li><\/ul><h4>Area per sample<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">The maximum area included in a single sample should be 10 ha (25 ac).<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/page\/soil-sampling-and-analysis-managing-crop-nutrients\" data-ssr-src rel=\"noopener\">Sampling area<\/a><\/p><\/li><\/ul><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">The most efficient way to achieve random sampling is to follow a zig-zag pattern around the field.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/page\/soil-sampling-and-analysis-managing-crop-nutrients\" data-ssr-src rel=\"noopener\">Sample collection<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Precision, site specific or grid sampling is allowed but not required for nutrient management.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/page\/soil-sampling-and-analysis-managing-crop-nutrients\" data-ssr-src rel=\"noopener\">Sampling area<\/a><\/p><\/li><\/ul><h4>Depth<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">The normal sampling depth for nutrients is about 15 cm (6 in.).<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/page\/soil-sampling-and-analysis-managing-crop-nutrients\" data-ssr-src rel=\"noopener\">Sample depth<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">When sampling for soil nitrates, sample down to a depth of 30 cm (1 ft).<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/page\/soil-sampling-and-analysis-managing-crop-nutrients\" data-ssr-src rel=\"noopener\">Sample depth<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Sample depth is not changed in a no-till system, even though the nutrients are no longer being mechanically mixed into the soil<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/page\/soil-sampling-and-analysis-managing-crop-nutrients\" data-ssr-src rel=\"noopener\">Sample depth, no-till<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">For pH samples, collect a shallow sample (5 cm or 2 in.) to check for acidification in the surface layer if nitrogen is being surface applied. Do not use these samples for nutrient analysis<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/page\/soil-sampling-and-analysis-managing-crop-nutrients\" data-ssr-src rel=\"noopener\">Sample depth, no-till<\/a><\/p><\/li><\/ul><h4>Cores<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Collect at least 20 cores to produce the composite sample and one additional core per 0.4 ha (1 acre) for fields larger than 8 ha (20 acres).<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/page\/soil-sampling-and-analysis-managing-crop-nutrients\" data-ssr-src rel=\"noopener\">Sample collection<\/a><\/p><\/li><\/ul><h4>Laboratory and analysis<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Samples for a nutrient management plan must be analyzed at an OMAFA-accredited lab, using OMAFA-accredited tests.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.ontario.ca\/page\/soil-sampling-and-analysis-managing-crop-nutrients\" data-ssr-src rel=\"noopener\">Sample analysis<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/www.ontario.ca\/page\/soil-sampling-and-analysis-managing-crop-nutrients\" data-ssr-src rel=\"noopener\">Ontario.ca, Soil sampling and analysis: managing crop nutrients<\/a> <span class=\"ssr-kind\">Guidance<\/span><\/li><\/ul><p class=\"ssr-dates\">Sources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team.<\/p><\/div><\/div><\/details><\/td><\/tr>\n<\/tbody>\n<tbody id=\"rule-ca-sk-agriculture-fall-soil-testing\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"CA\" data-r=\"CA-SK\" data-p=\"fertility\" data-s=\"official_guidance\" data-m=\"zone\" data-q=\"canada | saskatchewan | saskatchewan ministry of agriculture crops extension advice | fall soil testing for next season fertility | saskatchewan ministry of agriculture, sask ag now: soil testing for this fall (september 2026) | ph, p, k, mg | saskatchewan | sask | canada | sask ag now\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">Saskatchewan<\/span><span class=\"ssr-sub\">Canada<\/span><span class=\"ssr-sub\">Saskatchewan only. Other provinces have their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Fall soil testing for next season fertility<\/span><span class=\"ssr-sub\">Saskatchewan Ministry of Agriculture crops extension advice<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Season<\/span> Fall, once soil temperature is below 10 degrees C<\/li><\/ul><\/td><td role=\"cell\" data-label=\"Area per sample\"><span class=\"ssr-ns\">Not specified<\/span><\/td><td role=\"cell\" data-label=\"Method\">Cores from several locations in each management zone; unusual areas avoided or sampled separately.<\/td><td role=\"cell\" data-label=\"Depth\">To a depth of 6 to 12 inches (15.24 to 30.48 cm)<\/td><td role=\"cell\" data-label=\"Cores\">Typically 15 to 20 cores per management zone<\/td><td role=\"cell\" data-label=\"Status and source\" class=\"ssr-stat\"><span class=\"ssr-badge is-official_guidance\">Official guidance<\/span><a class=\"ssr-src\" href=\"https:\/\/www.saskatchewan.ca\/business\/agriculture-natural-resources-and-industry\/agribusiness-farmers-and-ranchers\/sask-ag-now\/crops\/soil-testing-for-this-fall\" data-ssr-src rel=\"noopener\">saskatchewan.ca, Sask Ag Now: Soil Testing for this Fall<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"ca-sk-agriculture-fall-soil-testing\" data-c=\"Saskatchewan\"><summary>Who it applies to, the exact wording and every source<\/summary><div class=\"ssr-det\"><dl class=\"ssr-facts\"><div><dt>Who it applies to<\/dt><dd>Advice for Saskatchewan farms from the provincial agriculture ministry. Not law.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Saskatchewan Ministry of Agriculture, Sask Ag Now: Soil Testing for this Fall (September 2026)<\/dd><\/div><\/dl><div class=\"ssr-wording\"><h3>The wording in the source<\/h3><h4>Timing<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Fall soil testing should begin once soil temperatures have dropped below 10 C to minimize nitrogen mineralization and provide more representative results.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.saskatchewan.ca\/business\/agriculture-natural-resources-and-industry\/agribusiness-farmers-and-ranchers\/sask-ag-now\/crops\/soil-testing-for-this-fall\" data-ssr-src rel=\"noopener\">Soil Testing for this Fall, paragraph 4<\/a><\/p><\/li><\/ul><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">soil samples should be collected from multiple locations throughout the field, typically 15 to 20 cores per management zone<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.saskatchewan.ca\/business\/agriculture-natural-resources-and-industry\/agribusiness-farmers-and-ranchers\/sask-ag-now\/crops\/soil-testing-for-this-fall\" data-ssr-src rel=\"noopener\">paragraph 4<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Avoid unusual areas such as sloughs, hilltops, shelterbelts and old yard sites unless they are being sampled separately.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.saskatchewan.ca\/business\/agriculture-natural-resources-and-industry\/agribusiness-farmers-and-ranchers\/sask-ag-now\/crops\/soil-testing-for-this-fall\" data-ssr-src rel=\"noopener\">paragraph 4<\/a><\/p><\/li><\/ul><h4>Depth<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">taken to a depth of six to 12 inches<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.saskatchewan.ca\/business\/agriculture-natural-resources-and-industry\/agribusiness-farmers-and-ranchers\/sask-ag-now\/crops\/soil-testing-for-this-fall\" data-ssr-src rel=\"noopener\">paragraph 4<\/a><\/p><\/li><\/ul><h4>Cores<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">typically 15 to 20 cores per management zone<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.saskatchewan.ca\/business\/agriculture-natural-resources-and-industry\/agribusiness-farmers-and-ranchers\/sask-ag-now\/crops\/soil-testing-for-this-fall\" data-ssr-src rel=\"noopener\">paragraph 4<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/www.saskatchewan.ca\/business\/agriculture-natural-resources-and-industry\/agribusiness-farmers-and-ranchers\/sask-ag-now\/crops\/soil-testing-for-this-fall\" data-ssr-src rel=\"noopener\">saskatchewan.ca, Sask Ag Now: Soil Testing for this Fall<\/a> <span class=\"ssr-kind\">Guidance<\/span><\/li><\/ul><p class=\"ssr-dates\">Sources re-checked every two months, last update October 2026. Reviewed by GeoPard editorial team.<\/p><\/div><\/div><\/details><\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ssr-back\"><a href=\"https:\/\/geopard.tech\/soil-sampling-regulations\/\">Soil sampling regulations in every country<\/a><\/p>\n<p class=\"ssr-back\">Report an outdated requirement: <a href=\"mailto:info@geopard.tech?subject=Soil%20sampling%20regulations%20correction\">info@geopard.tech<\/a><\/p>\n<\/section>\n<\/div>\n\n\n\n<div class=\"gp-ssr\">\n<section class=\"ssr-cta-sec\">\n  <div class=\"ssr-cta\">\n    <h2>Plan the points to the rule that applies<\/h2>\n    <p>Set the area per sample, the cores and the depth your rule asks for. GeoPard places the points on a grid or by zone, routes the walk, prints the labels and takes the plan to the field on a phone.<\/p>\n    <div class=\"ssr-hero-btns\">\n      <a class=\"ssr-btn\" id=\"ssr-cta-main\" href=\"https:\/\/app.geopard.tech\/auth\/sign-up?utm_source=geopard.tech&amp;utm_medium=lead-magnet&amp;utm_campaign=soil-sampling-regulations&amp;utm_content=below-tool-cta\">Create a sampling plan<\/a>\n      <a class=\"ssr-btn-ghost\" id=\"ssr-cta-planner\" href=\"https:\/\/geopard.tech\/soil-sampling\/\">See the Soil Sampling Planner<\/a>\n    <\/div>\n  <\/div>\n<\/section>\n<p class=\"ssr-legal\">A planning reference built from official sources, not legal advice. Rules apply by jurisdiction, nutrient, land use and programme: check the current official text and your laboratory&#8217;s instructions before fieldwork.<\/p>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Vorschriften zur Bodenprobenahme \/ Kanada Anforderungen an die Bodenprobenahme in Kanada Nach Provinzen: Alberta, British Columbia, Manitoba, Neufundland und Labrador, Nova Scotia, Ontario und Saskatchewan. Boden\u2026<\/p>","protected":false},"author":210157960,"featured_media":0,"parent":14935,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_eb_attr":"","content-type":"","_wpcom_ai_launchpad_about_page":false,"_wpcom_ai_launchpad_gallery_page":false,"_wpcom_ai_launchpad_contact_page":false,"_wpcom_ai_launchpad_events_page":false,"_wpcom_ai_launchpad_video_page":false,"_wpcom_ai_launchpad_portfolio_piece":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"footnotes":"","big_sky_generated":false},"class_list":["post-14949","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Soil Sampling Requirements in Canada | GeoPard<\/title>\n<meta name=\"description\" content=\"Check soil sampling frequency, sample area, depth, cores and grid or zone guidance for Canada. 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