{"id":15119,"date":"2026-11-02T15:41:40","date_gmt":"2026-11-02T14:41:40","guid":{"rendered":"https:\/\/geopard.tech\/soil-sampling-regulations\/united-states\/oklahoma\/"},"modified":"2026-11-03T04:46:19","modified_gmt":"2026-11-03T03:46:19","slug":"oklahoma","status":"publish","type":"page","link":"https:\/\/geopard.tech\/hr\/soil-sampling-regulations\/united-states\/oklahoma\/","title":{"rendered":"Zahtjevi za uzorkovanje tla u Oklahomi"},"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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Operations in a nutrient-limited watershed and nutrient-vulnerable groundwater: every year on each land application area, before the first application of the calendar year. Result valid: Analysis data must be dated before the land application and kept for at least 6 years.\"}}]}<\/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\">Oklahoma<\/span><\/nav><h1>Soil sampling requirements in Oklahoma<\/h1><p class=\"ssr-lede\">State rules: Oklahoma Registered Poultry Feeding Operations Act, Title 2 O.S. Section 10-9.7.<\/p><\/div><section class=\"ssr-ans\" aria-labelledby=\"ssr-ans-h\"><h2 id=\"ssr-ans-h\">Soil sampling in Oklahoma: 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 Oklahoma?<\/h3><ul data-no-translation><li><a href=\"#rule-us-ok-poultry-feeding-operations-soil-test\">Oklahoma Registered Poultry Feeding Operations Act, nutrient management plan<\/a> <span class=\"ssr-ans-t\">Conditional<\/span> Operations in a non-nutrient-limited watershed and non-nutrient-vulnerable groundwaters: at least once every 3 years on each land application area. Operations in a nutrient-limited watershed and nutrient-vulnerable groundwater: every year on each land application area, before the first application of the calendar year. Result valid: Analysis data must be dated before the land application and kept for at least 6 years.<\/li><\/ul><\/div><\/div><\/section>\n<section aria-label=\"Rules in Oklahoma\">\n<div class=\"ssr-scroll\" data-no-translation>\n<table class=\"ssr-table\" role=\"table\" aria-label=\"Soil sampling rules in Oklahoma\">\n<caption>Soil sampling rules in Oklahoma, 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-ok-poultry-feeding-operations-soil-test\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"US\" data-r=\"US-OK\" data-p=\"fertility\" data-s=\"conditional\" data-m=\"none\" data-q=\"united states | oklahoma | oklahoma registered poultry feeding operations act, nutrient management plan | soil test on poultry waste land application areas | oklahoma registered poultry feeding operations act, title 2 o.s. section 10-9.7 | section 10-9.7, subsections f, g and h | ph, p, k, mg | oklahoma | odaff | poultry feeding operations act | poultry litter | nutrient management plan | nutrient-limited watershed\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">Oklahoma<\/span><span class=\"ssr-sub\">United States<\/span><span class=\"ssr-sub\">Oklahoma only. Other states set their own rules.<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Soil test on poultry waste land application areas<\/span><span class=\"ssr-sub\">Oklahoma Registered Poultry Feeding Operations Act, nutrient management plan<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Repeat<\/span> Operations in a non-nutrient-limited watershed and non-nutrient-vulnerable groundwaters: at least once every 3 years on each land application area<\/li><li><span class=\"k\">Repeat<\/span> Operations in a nutrient-limited watershed and nutrient-vulnerable groundwater: every year on each land application area, before the first application of the calendar year<\/li><li><span class=\"k\">Result valid<\/span> Analysis data must be dated before the land application and kept for at least 6 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:\/\/ag.ok.gov\/wp-content\/uploads\/2023\/04\/Title-2-PFO-August-2024.pdf\" data-ssr-src rel=\"noopener\">Oklahoma Registered Poultry Feeding Operations Act (Title 2 O.S.), text as compiled by the Oklahoma Department of Agriculture, Food, and Forestry, reference date 29 August 2024 (PDF)<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"us-ok-poultry-feeding-operations-soil-test\" data-c=\"Oklahoma\"><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>Poultry feeding operations under the Act, meaning a property or facility where poultry are confined and fed 45 days or more in any 12 months, crops or other vegetation are not sustained over any part of it in the normal growing season, and over 10 tons of poultry waste are produced a year. Applies to each land application area.<\/dd><\/div><div><dt>Laboratory and analysis<\/dt><dd>Soil pH and plant-available nutrients, at a minimum nitrogen, phosphorus and potassium.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Oklahoma Registered Poultry Feeding Operations Act, Title 2 O.S. Section 10-9.7, Section 10-9.7, subsections F, G and H<\/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\">Every poultry feeding operation located in a non-nutrient-limited watershed and non-nutrient-vulnerable groundwaters shall perform soil testing on each land-application area and poultry waste testing at least once every three (3) years<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/ag.ok.gov\/wp-content\/uploads\/2023\/04\/Title-2-PFO-August-2024.pdf\" data-ssr-src rel=\"noopener\">2 O.S. Section 10-9.7(F)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Every poultry feeding operation located in a nutrient-limited watershed and nutrient-vulnerable groundwater shall perform an annual soil test on each land-application area prior to the first application of the calendar year.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/ag.ok.gov\/wp-content\/uploads\/2023\/04\/Title-2-PFO-August-2024.pdf\" data-ssr-src rel=\"noopener\">2 O.S. Section 10-9.7(G)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">Soil and poultry waste analysis data shall be retained by the poultry feeding operation for a minimum of six (6) years.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/ag.ok.gov\/wp-content\/uploads\/2023\/04\/Title-2-PFO-August-2024.pdf\" data-ssr-src rel=\"noopener\">2 O.S. Section 10-9.7(H)(1)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">All soil and poultry waste analysis data shall be dated prior to land application.<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/ag.ok.gov\/wp-content\/uploads\/2023\/04\/Title-2-PFO-August-2024.pdf\" data-ssr-src rel=\"noopener\">2 O.S. Section 10-9.7(H)(2)<\/a><\/p><\/li><\/ul><h4>Who it applies to<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Every poultry feeding operation shall have a Nutrient Management Plan which shall include at a minimum:<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/ag.ok.gov\/wp-content\/uploads\/2023\/04\/Title-2-PFO-August-2024.pdf\" data-ssr-src rel=\"noopener\">2 O.S. Section 10-9.7(C)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">All nutrient analysis data for soil and poultry waste testing;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/ag.ok.gov\/wp-content\/uploads\/2023\/04\/Title-2-PFO-August-2024.pdf\" data-ssr-src rel=\"noopener\">2 O.S. Section 10-9.7(C)(3)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">poultry have been, are or will be confined and fed or maintained for a total of forty-five (45) days or more in any twelve-month period,<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/ag.ok.gov\/wp-content\/uploads\/2023\/04\/Title-2-PFO-August-2024.pdf\" data-ssr-src rel=\"noopener\">2 O.S. Section 10-9.1(B)(20)(a), definition of poultry feeding operation<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">crops, vegetation, forage growth or post-harvest residues are not sustained in the normal growing season over any portion of the property or facility, and<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/ag.ok.gov\/wp-content\/uploads\/2023\/04\/Title-2-PFO-August-2024.pdf\" data-ssr-src rel=\"noopener\">2 O.S. Section 10-9.1(B)(20)(b)<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"en\">producing over ten (10) tons of poultry waste per year;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/ag.ok.gov\/wp-content\/uploads\/2023\/04\/Title-2-PFO-August-2024.pdf\" data-ssr-src rel=\"noopener\">2 O.S. Section 10-9.1(B)(20)(c)<\/a><\/p><\/li><\/ul><h4>Laboratory and analysis<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"en\">Soil pH and plant-available nutrients including, at a minimum, nitrogen, phosphorous, and potassium;<\/blockquote><p class=\"ssr-q-cite\"><a href=\"https:\/\/ag.ok.gov\/wp-content\/uploads\/2023\/04\/Title-2-PFO-August-2024.pdf\" data-ssr-src rel=\"noopener\">2 O.S. Section 10-9.7(F)(1)<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/ag.ok.gov\/wp-content\/uploads\/2023\/04\/Title-2-PFO-August-2024.pdf\" data-ssr-src rel=\"noopener\">Oklahoma Registered Poultry Feeding Operations Act (Title 2 O.S.), text as compiled by the Oklahoma Department of Agriculture, Food, and Forestry, reference date 29 August 2024 (PDF)<\/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<\/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>Propisi o uzorkovanju tla \/ Sjedinjene Ameri\u010dke Dr\u017eave \/ Oklahoma Zahtjevi za uzorkovanje tla u dr\u017eavnim pravilima Oklahome: Zakon o registriranim operacijama hranjenja peradi u Oklahomi, Naslov 2, Odjeljak OS\u2026<\/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-15119","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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