{"id":15104,"date":"2026-11-02T15:36:48","date_gmt":"2026-11-02T14:36:48","guid":{"rendered":"https:\/\/geopard.tech\/soil-sampling-regulations\/united-states\/maine\/"},"modified":"2026-11-03T04:42:34","modified_gmt":"2026-11-03T03:42:34","slug":"maine","status":"publish","type":"page","link":"https:\/\/geopard.tech\/nor\/soil-sampling-regulations\/united-states\/maine\/","title":{"rendered":"Soil sampling requirements in Maine"},"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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it requires soil test results in the plan. Maine DACF guidance: soil and manure tests in the plan updated at least every 5 years, each field soil tested at least once every 5 years. University of Maine soil sampling instructions and Cooperative Extension advice (official guidance): At least once every three years; more often for problem areas or heavy nutrient use.\"}},{\"@type\":\"Question\",\"name\":\"When in the year should soil be sampled in Maine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"University of Maine soil sampling instructions and Cooperative Extension advice (official guidance): Early spring after the frost is out, or fall before the ground freezes.\"}},{\"@type\":\"Question\",\"name\":\"How many acres can one soil sample cover in Maine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"University of Maine soil sampling instructions and Cooperative Extension advice (official guidance): Up to 8 acres per sample where past treatment and soil type are uniform. Separate samples for low spots, trouble spots, different soils and differently treated areas.\"}},{\"@type\":\"Question\",\"name\":\"How deep should soil samples be taken in Maine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"University of Maine soil sampling instructions and Cooperative Extension advice (official guidance): Row crops or new seedings: plow depth, about 8 inches. Sod (hayfields, lawns): 3 to 4 inches. Tree crops: 12 inches.\"}},{\"@type\":\"Question\",\"name\":\"How many cores go into one soil sample in Maine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"University of Maine soil sampling instructions and Cooperative Extension advice (official guidance): About 15 spots per sample area.\"}},{\"@type\":\"Question\",\"name\":\"How many soil samples does a 100-acre field need in Maine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Under University of Maine soil sampling instructions and Cooperative Extension advice: A uniform 100-acre field needs at least 13 composite samples of no more than 8 acres each, and at least 195 cores in all, 15 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> <a href=\"https:\/\/geopard.tech\/soil-sampling-regulations\/united-states\/\">United States<\/a> <span aria-hidden=\"true\">\/<\/span> <span aria-current=\"page\">Maine<\/span><\/nav><h1>Soil sampling requirements in Maine<\/h1><p class=\"ssr-lede\">State rules: Maine Revised Statutes Title 7, Chapter 747 (Nutrient Management Act). State guidance: University of Maine soil sampling instructions and Cooperative Extension advice.<\/p><\/div><section class=\"ssr-ans\" aria-labelledby=\"ssr-ans-h\"><h2 id=\"ssr-ans-h\">Soil sampling in Maine: 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 Maine?<\/h3><ul data-no-translation><li><a href=\"#rule-us-me-nutrient-management-act-soil-tests\">Maine Nutrient Management Act, nutrient management plans (NMP)<\/a> <span class=\"ssr-ans-t\">Conditional<\/span> The statute sets no interval; it requires soil test results in the plan. Maine DACF guidance: soil and manure tests in the plan updated at least every 5 years, each field soil tested at least once every 5 years.<\/li><li><a href=\"#rule-us-me-umaine-soil-sampling\">University of Maine soil sampling instructions and Cooperative Extension advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> At least once every three years; more often for problem areas or heavy nutrient use.<\/li><\/ul><\/div><div class=\"ssr-ans-q\"><h3>When in the year should soil be sampled in Maine?<\/h3><ul data-no-translation><li><a href=\"#rule-us-me-umaine-soil-sampling\">University of Maine soil sampling instructions and Cooperative Extension advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Early spring after the frost is out, or fall before the ground freezes.<\/li><\/ul><\/div><div class=\"ssr-ans-q\"><h3>How many acres can one soil sample cover in Maine?<\/h3><ul data-no-translation><li><a href=\"#rule-us-me-umaine-soil-sampling\">University of Maine soil sampling instructions and Cooperative Extension advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Up to 8 acres per sample where past treatment and soil type are uniform. Separate samples for low spots, trouble spots, different soils and differently treated areas.<\/li><\/ul><\/div><div class=\"ssr-ans-q\"><h3>How deep should soil samples be taken in Maine?<\/h3><ul data-no-translation><li><a href=\"#rule-us-me-umaine-soil-sampling\">University of Maine soil sampling instructions and Cooperative Extension advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Row crops or new seedings: plow depth, about 8 inches. Sod (hayfields, lawns): 3 to 4 inches. Tree crops: 12 inches.<\/li><\/ul><\/div><div class=\"ssr-ans-q\"><h3>How many cores go into one soil sample in Maine?<\/h3><ul data-no-translation><li><a href=\"#rule-us-me-umaine-soil-sampling\">University of Maine soil sampling instructions and Cooperative Extension advice<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> About 15 spots per sample area.<\/li><\/ul><\/div><div class=\"ssr-ans-ex\"><h3>How many soil samples does a 100-acre field need in Maine?<\/h3><p><span data-no-translation>University of Maine soil sampling instructions and Cooperative Extension advice:<\/span> A uniform 100-acre field needs at least 13 composite samples of no more than 8 acres each, and at least 195 cores in all, 15 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 Maine\">\n<div class=\"ssr-scroll\" data-no-translation>\n<table class=\"ssr-table\" role=\"table\" aria-label=\"Soil sampling rules in Maine\">\n<caption>Soil sampling rules in Maine, 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=\"US\" role=\"rowgroup\"><tr role=\"row\"><th role=\"rowheader\" colspan=\"8\" scope=\"colgroup\" id=\"country-us\">United States<\/th><\/tr><\/tbody>\n<tbody id=\"rule-us-me-nutrient-management-act-soil-tests\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"US\" data-r=\"US-ME\" data-p=\"fertility\" data-s=\"conditional\" data-m=\"none\" data-q=\"united states | maine | maine nutrient management act, nutrient management plans (nmp) | soil tests in a nutrient management plan | maine revised statutes title 7, chapter 747 (nutrient management act) | 7 m.r.s. section 4204, subsections 1-a(e) and 2 | ph, p, k, mg | maine | dacf | nutrient management act | nutrient management plan | nmp | usa | united states\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">Maine<\/span><span class=\"ssr-sub\">United States<\/span><span class=\"ssr-sub\">Maine only. Other states set their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Soil tests in a nutrient management plan<\/span><span class=\"ssr-sub\">Maine Nutrient Management Act, nutrient management plans (NMP)<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Repeat<\/span> The statute sets no interval; it requires soil test results in the plan. Maine DACF guidance: soil and manure tests in the plan updated at least every 5 years, each field soil tested at least once every 5 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\"><span class=\"ssr-ns\">Not specified<\/span><\/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:\/\/legislature.maine.gov\/statutes\/7\/title7sec4204.html\" data-ssr-src rel=\"noopener\">7 M.R.S. section 4204, Nutrient management plan (Maine Legislature)<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"us-me-nutrient-management-act-soil-tests\" data-c=\"Maine\"><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>Farms that confine and feed 50 or more animal units at any one time, store or use more than 100 tons a year of manure not generated on the farm, are the subject of a verified complaint of improper manure handling, or store or use regulated residuals. Soil tests cover the land the plan designates for manure spreading or irrigation.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Maine Revised Statutes Title 7, Chapter 747 (Nutrient Management Act), 7 M.R.S. section 4204, subsections 1-A(E) and 2<\/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\">Results of soil and manure tests and an analysis of any off-farm nutrients planned for growing crops. These tests must be updated at least every 5 years;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.maine.gov\/DACF\/php\/nutrient_management\/documents\/Brochure-NutrientManagementPlans.pdf\" data-ssr-src rel=\"noopener\">Maine DACF Nutrient Management Plans brochure (guidance, not the statute), What are some components of an NMP?<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Each field should be soil tested at least once every 5 years to determine P, K, Mg, Ca and pH levels.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.maine.gov\/DACF\/php\/nutrient_management\/documents\/BMP-ManureUtilizationGuidelines-rev.pdf\" data-ssr-src rel=\"noopener\">Maine DACF Manure Utilization Guidelines (guidance, not the statute), item b, Soil test each field<\/a><\/p><\/li><\/ul><h4>Who it applies to<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Results of soil tests for land designated in the plan for manure spreading or manure irrigation;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/legislature.maine.gov\/statutes\/7\/title7sec4204.html\" data-ssr-src rel=\"noopener\">7 M.R.S. section 4204(1-A)(E)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">A farm that confines and feeds 50 or more animal units at any one time;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/legislature.maine.gov\/statutes\/7\/title7sec4204.html\" data-ssr-src rel=\"noopener\">7 M.R.S. section 4204(2)(A)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">A farm that stores or utilizes more than 100 tons of manure per year not generated on that farm;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/legislature.maine.gov\/statutes\/7\/title7sec4204.html\" data-ssr-src rel=\"noopener\">7 M.R.S. section 4204(2)(B)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">A farm that is the subject of a verified complaint of improper manure handling; or<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/legislature.maine.gov\/statutes\/7\/title7sec4204.html\" data-ssr-src rel=\"noopener\">7 M.R.S. section 4204(2)(C)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">A farm that stores or utilizes regulated residuals.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/legislature.maine.gov\/statutes\/7\/title7sec4204.html\" data-ssr-src rel=\"noopener\">7 M.R.S. section 4204(2)(D)<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/legislature.maine.gov\/statutes\/7\/title7sec4204.html\" data-ssr-src rel=\"noopener\">7 M.R.S. section 4204, Nutrient management plan (Maine Legislature)<\/a> <span class=\"ssr-kind\">Law<\/span><\/li><li><a href=\"https:\/\/www.maine.gov\/DACF\/php\/nutrient_management\/documents\/Brochure-NutrientManagementPlans.pdf\" data-ssr-src rel=\"noopener\">Maine DACF, Nutrient Management Plans brochure (February 2016)<\/a> <span class=\"ssr-kind\">Guidance<\/span><\/li><li><a href=\"https:\/\/www.maine.gov\/DACF\/php\/nutrient_management\/documents\/BMP-ManureUtilizationGuidelines-rev.pdf\" data-ssr-src rel=\"noopener\">Maine DACF, Manure Utilization Guidelines (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-us-me-umaine-soil-sampling\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"US\" data-r=\"US-ME\" data-p=\"fertility\" data-s=\"official_guidance\" data-m=\"representative\" data-q=\"united states | maine | university of maine soil sampling instructions and cooperative extension advice | routine soil fertility sampling | maine soil testing service, sampling instructions (field and soil sample information form, 2018), and umaine extension bulletin 2286 | ph, p, k, mg | maine | umaine | university of maine | maine soil testing service | usa | united states\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">Maine<\/span><span class=\"ssr-sub\">United States<\/span><span class=\"ssr-sub\">Maine only. Other states set 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\">University of Maine soil sampling instructions and Cooperative Extension advice<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Repeat<\/span> At least once every three years; more often for problem areas or heavy nutrient use<\/li><li><span class=\"k\">Season<\/span> Early spring after the frost is out, or fall before the ground freezes<\/li><\/ul><\/td><td role=\"cell\" data-label=\"Area per sample\">Up to 8 acres per sample where past treatment and soil type are uniform. Separate samples for low spots, trouble spots, different soils and differently treated areas.<\/td><td role=\"cell\" data-label=\"Method\">Uniform sampling areas; keep a permanent field sampling map.<\/td><td role=\"cell\" data-label=\"Depth\">Row crops or new seedings: plow depth, about 8 inches. Sod (hayfields, lawns): 3 to 4 inches. Tree crops: 12 inches.<\/td><td role=\"cell\" data-label=\"Cores\">About 15 spots per sample area<\/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:\/\/umaine.edu\/soiltestinglab\/wp-content\/uploads\/sites\/227\/2018\/07\/Soil-Info-Form-2018.pdf\" data-ssr-src rel=\"noopener\">Maine Soil Testing Service, Field and Soil Sample Information form, sampling instructions (PDF)<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"us-me-umaine-soil-sampling\" data-c=\"Maine\"><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 Maine fields from the University of Maine. Not law.<\/dd><\/div><div><dt>Field identifiers<\/dt><dd>Label each container with the sample area and last name, matching the field sampling map and the form.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Maine Soil Testing Service, sampling instructions (Field and Soil Sample Information form, 2018), and UMaine Extension Bulletin 2286<\/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\">Test your soil at least once every three years.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/extension.umaine.edu\/publications\/2286e\/\" data-ssr-src rel=\"noopener\">Bulletin 2286, How often should I test the soil?<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">You may want to test more often if you have a problem area or if you\u2019ve applied lots of nutrients.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/extension.umaine.edu\/publications\/2286e\/\" data-ssr-src rel=\"noopener\">Bulletin 2286<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">you should test soil well before the growing season, such as in early spring after the frost is out of the soil, or in the fall before the ground freezes.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/extension.umaine.edu\/publications\/2286e\/\" data-ssr-src rel=\"noopener\">Bulletin 2286, What time of year should I test my soil?<\/a><\/p><\/li><\/ul><h4>Area per sample<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">In areas where past treatments and soil types are uniform, limit the sampling area to 8 acres in size.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/umaine.edu\/soiltestinglab\/wp-content\/uploads\/sites\/227\/2018\/07\/Soil-Info-Form-2018.pdf\" data-ssr-src rel=\"noopener\">Form, Instructions, 3 Areas of Sampling<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Low spots, trouble spots, and areas with obvious differences in soil type should be treated as separate sampling areas. Also, areas that have been treated differently in the past should be sampled separately.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/umaine.edu\/soiltestinglab\/wp-content\/uploads\/sites\/227\/2018\/07\/Soil-Info-Form-2018.pdf\" data-ssr-src rel=\"noopener\">Form, Instructions, 3 Areas of Sampling<\/a><\/p><\/li><\/ul><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Make a permanent field sampling map for your reference when test results are returned.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/umaine.edu\/soiltestinglab\/wp-content\/uploads\/sites\/227\/2018\/07\/Soil-Info-Form-2018.pdf\" data-ssr-src rel=\"noopener\">Form, Instructions, 3 Areas of Sampling<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Low spots, trouble spots, and areas with obvious differences in soil type should be treated as separate sampling areas.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/umaine.edu\/soiltestinglab\/wp-content\/uploads\/sites\/227\/2018\/07\/Soil-Info-Form-2018.pdf\" data-ssr-src rel=\"noopener\">Form, Instructions, 3 Areas of Sampling<\/a><\/p><\/li><\/ul><h4>Depth<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Areas in sod, such as lawns or hayfields, should be sampled to a 3-or 4-inch depth. Areas under tree crops should be sampled to a 12-inch depth.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/umaine.edu\/soiltestinglab\/wp-content\/uploads\/sites\/227\/2018\/07\/Soil-Info-Form-2018.pdf\" data-ssr-src rel=\"noopener\">Form, Instructions, Depth<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Areas to be planted to row crops or seeded down should be sampled to plow depth (or about 8 inches.)<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/umaine.edu\/soiltestinglab\/wp-content\/uploads\/sites\/227\/2018\/07\/Soil-Info-Form-2018.pdf\" data-ssr-src rel=\"noopener\">Form, Instructions, Depth<\/a><\/p><\/li><\/ul><h4>Cores<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Take soil from approximately l5 different spots in the sample area.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/umaine.edu\/soiltestinglab\/wp-content\/uploads\/sites\/227\/2018\/07\/Soil-Info-Form-2018.pdf\" data-ssr-src rel=\"noopener\">Form, Instructions, Take Representative Sample (the PDF prints &quot;l5&quot; with a lower-case L)<\/a><\/p><\/li><\/ul><h4>Field identifiers<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">The container from each sample area should be identified on the side with the identification of the sample area and your last name.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/umaine.edu\/soiltestinglab\/wp-content\/uploads\/sites\/227\/2018\/07\/Soil-Info-Form-2018.pdf\" data-ssr-src rel=\"noopener\">Form, Instructions, 7 Label the Containers<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Be sure identifying names agree with your map of sample areas, so when test results are returned there will be no question of where the samples were taken.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/umaine.edu\/soiltestinglab\/wp-content\/uploads\/sites\/227\/2018\/07\/Soil-Info-Form-2018.pdf\" data-ssr-src rel=\"noopener\">Form, Instructions, 7 Label the Containers<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/umaine.edu\/soiltestinglab\/wp-content\/uploads\/sites\/227\/2018\/07\/Soil-Info-Form-2018.pdf\" data-ssr-src rel=\"noopener\">Maine Soil Testing Service, Field and Soil Sample Information form, sampling instructions (PDF)<\/a> <span class=\"ssr-kind\">Guidance<\/span><\/li><li><a href=\"https:\/\/extension.umaine.edu\/publications\/2286e\/\" data-ssr-src rel=\"noopener\">UMaine Extension Bulletin 2286, Know Your Soil: Testing Your Soil<\/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\/united-states\/\">United States: federal rules and every other state<\/a><\/p>\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>Soil sampling regulations \/ United States \/ Maine Soil sampling requirements in Maine State rules: Maine Revised Statutes Title 7, Chapter 747 (Nutrient Management Act)&#8230;.<\/p>","protected":false},"author":210157960,"featured_media":0,"parent":14962,"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-15104","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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