{"id":14948,"date":"2026-11-02T11:15:01","date_gmt":"2026-11-02T10:15:01","guid":{"rendered":"https:\/\/geopard.tech\/?page_id=14948"},"modified":"2026-11-03T04:34:05","modified_gmt":"2026-11-03T03:34:05","slug":"%d0%b1%d1%80%d0%b0%d0%b7%d0%b8%d0%bb%d0%b8%d1%8f","status":"publish","type":"page","link":"https:\/\/geopard.tech\/ru\/soil-sampling-regulations\/brazil\/","title":{"rendered":"\u0422\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f \u043a \u043e\u0442\u0431\u043e\u0440\u0443 \u043f\u0440\u043e\u0431 \u043f\u043e\u0447\u0432\u044b \u0432 \u0411\u0440\u0430\u0437\u0438\u043b\u0438\u0438"},"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. Full-page takeover\n   like \/satellite-imagery-timeline\/. ===== *\/\n#simple_page > .container > h1{display:none !important}\n#simple_page > .container{width:auto !important;max-width:none !important;margin:0 !important;padding:0 !important}\n#simple_page{padding:0 !important}\n\n\/* Roboto at first paint and at every weight (rule 24), from the site's own WP.com font host. *\/\n@font-face{font-family:\"Roboto\";font-style:normal;font-weight:100 900;font-display:swap;src:url(https:\/\/fonts.wp.com\/s\/roboto\/v51\/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3KUBHMdazTgWw.woff2) format(\"woff2\");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}\n@font-face{font-family:\"Roboto\";font-style:normal;font-weight:100 900;font-display:swap;src:url(https:\/\/fonts.wp.com\/s\/roboto\/v51\/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2) 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!important;border:1px solid var(--mute)}\n.gp-ssr .ssr-btn-ghost:hover{border-color:var(--accent-soft)}\n.gp-ssr .ssr-btn:focus-visible,.gp-ssr .ssr-btn-ghost:focus-visible{outline:2px solid var(--accent-soft);outline-offset:2px}\n.gp-ssr .ssr-feats{display:flex;flex-wrap:wrap;gap:8px;margin:20px auto 0;justify-content:center;max-width:980px}\n\/* Rule 22: the marker is the first inline run of the chip's own text, with a hanging indent, never a flex sibling. *\/\n.gp-ssr .ssr-feat{display:inline-block;font-size:.88rem;font-weight:400;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:var(--r-ctl);padding:6px 12px;padding-left:2em;text-indent:-1.4em;text-align:left}\n.gp-ssr .ssr-feat .mk{color:var(--accent-mid);font-weight:700;margin-right:.45em}\n\n\/* the real planner, under the hero; the crop keeps the route and drops the logo strip at the foot of the file *\/\n.gp-ssr .ssr-shot{max-width:960px;margin:30px auto 0;padding:0 28px}\n.gp-ssr 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transparent;white-space:nowrap}\n.gp-ssr .ssr-badge.is-mandatory{background:var(--accent);color:#fff}\n.gp-ssr .ssr-badge.is-conditional{background:var(--wash2);color:var(--accent);border-color:var(--wash2)}\n.gp-ssr .ssr-badge.is-official_guidance{background:var(--paper2);color:var(--dim);border-color:var(--mute)}\n.gp-ssr .ssr-badge.is-review_required,.gp-ssr .ssr-badge.is-review{background:var(--panel);color:var(--amber);border-color:var(--amber)}\n.gp-ssr .ssr-ns{color:var(--faint);font-style:italic}\n\n\/* ---- filters: inert without JavaScript, so they ship hidden and the script shows them ---- *\/\n.gp-ssr .ssr-filters{margin-top:22px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel);padding:14px 18px}\n.gp-ssr .ssr-fhead{display:none;align-items:center;justify-content:space-between;gap:12px}\n.gp-ssr .ssr-ftoggle{min-height:44px;padding:0 14px;border:1px solid var(--mute);background:var(--panel);color:var(--ink);border-radius:var(--r-ctl);font-size:.95rem;font-weight:700}\n.gp-ssr .ssr-ftoggle[aria-expanded=\"true\"]{background:var(--accent);border-color:var(--accent);color:#fff}\n.gp-ssr .ssr-ctl{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px}\n.gp-ssr .ssr-ctl + .ssr-ctl{margin-top:10px;padding-top:10px;border-top:1px solid var(--hair)}\n.gp-ssr .ssr-ctl-lab{flex:0 0 auto;width:84px;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--accent-mid)}\n.gp-ssr .ssr-chips{display:flex;flex-wrap:wrap;gap:6px;flex:1 1 auto;min-width:0}\n.gp-ssr .ssr-chip{display:inline-flex;align-items:center;min-height:36px;padding:0 12px;border:1px solid var(--mute);background:var(--panel);color:var(--ink);border-radius:var(--r-ctl);font-size:.9rem;font-weight:400}\n.gp-ssr .ssr-chip:hover{border-color:var(--accent-soft);color:var(--accent-mid)}\n.gp-ssr .ssr-chip[aria-pressed=\"true\"]{background:var(--accent);border-color:var(--accent);color:#fff}\n.gp-ssr .ssr-chip:focus-visible,.gp-ssr .ssr-ftoggle:focus-visible,.gp-ssr .ssr-reset:focus-visible{outline:2px solid var(--accent-soft);outline-offset:2px}\n.gp-ssr .ssr-select{flex:0 1 360px;min-width:0;min-height:40px;padding:0 10px;border:1px solid var(--mute);border-radius:var(--r-ctl);font-family:var(--f);font-size:.92rem;color:var(--ink);background:var(--panel)}\n.gp-ssr .ssr-select:focus{outline:2px solid var(--accent-soft);outline-offset:1px}\n.gp-ssr .ssr-search{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:12px;padding-top:12px;border-top:1px solid var(--hair)}\n.gp-ssr .ssr-search input{flex:1 1 260px;min-width:0;min-height:40px;padding:0 12px;border:1px solid var(--mute);border-radius:var(--r-ctl);font-family:var(--f);font-size:.95rem;color:var(--ink);background:var(--panel)}\n.gp-ssr .ssr-search input:focus{outline:2px solid var(--accent-soft);outline-offset:1px;border-color:var(--accent-soft)}\n.gp-ssr .ssr-count{font-size:.92rem;color:var(--dim)}\n.gp-ssr .ssr-count b{color:var(--ink);font-weight:700}\n.gp-ssr .ssr-reset{min-height:36px;padding:0 12px;border:1px solid var(--line);background:var(--paper2);color:var(--ink2);border-radius:var(--r-ctl);font-size:.88rem}\n.gp-ssr .ssr-reset:hover{border-color:var(--accent-soft);color:var(--accent-mid)}\n\n\/* ---- the table: real rows in the page HTML; cards on phones from the same DOM ---- *\/\n.gp-ssr .ssr-scroll{margin-top:16px;overflow-x:auto;-webkit-overflow-scrolling:touch;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel)}\n.gp-ssr .ssr-table{width:100%;min-width:1000px;border-collapse:collapse;font-size:.9rem;line-height:1.45;color:var(--ink2)}\n.gp-ssr .ssr-table caption{text-align:left;padding:14px 16px 4px;font-size:.84rem;color:var(--dim);caption-side:top}\n.gp-ssr .ssr-table th,.gp-ssr .ssr-table td{text-align:left;vertical-align:top;padding:12px 12px;border:0}\n.gp-ssr .ssr-table thead th{font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--accent-mid);background:var(--wash);border-bottom:1px solid var(--line);white-space:nowrap}\n.gp-ssr .ssr-table .c-place{width:10%} .gp-ssr .ssr-table .c-pur{width:14%} .gp-ssr .ssr-table .c-time{width:16%}\n.gp-ssr .ssr-table .c-area{width:13%} .gp-ssr .ssr-table .c-meth{width:14%} .gp-ssr .ssr-table .c-depth{width:9%}\n.gp-ssr .ssr-table .c-cores{width:9%} .gp-ssr .ssr-table .c-stat{width:15%}\n.gp-ssr .ssr-rec + .ssr-rec .ssr-main > *{border-top:1px solid var(--line)}\n.gp-ssr .ssr-main th{font-weight:400}\n.gp-ssr .ssr-grp th{padding:10px 12px;background:var(--paper2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:1.02rem;font-weight:700;color:var(--ink);letter-spacing:-.01em}\n.gp-ssr .ssr-place{display:block;font-size:1rem;font-weight:700;color:var(--ink)}\n.gp-ssr .ssr-pur{display:block;font-weight:700;color:var(--ink)}\n.gp-ssr .ssr-sub{display:block;margin-top:4px;font-size:.8rem;color:var(--dim);line-height:1.35}\n.gp-ssr .ssr-time{list-style:none;margin:0;padding:0}\n.gp-ssr .ssr-time .k{display:block;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--accent-mid)}\n.gp-ssr .ssr-stat .ssr-badge{margin:0 4px 6px 0}\n.gp-ssr .ssr-src{display:block;margin-top:2px;font-weight:700}\n.gp-ssr .ssr-rec:target .ssr-main > *{background:var(--paper2)}\n\n\/* details row: who it applies to, the exact wording, every source *\/\n.gp-ssr .ssr-more td{padding:0 12px 12px}\n\/* Rule 22: the +\/- marker is the first inline run of the summary text with a hanging indent, never a flex sibling *\/\n.gp-ssr .ssr-more summary{display:inline-block;min-height:36px;padding:8px 12px 8px 2em;text-indent:-1.3em;line-height:1.35;border:1px solid var(--line);border-radius:var(--r-ctl);background:var(--paper2);color:var(--accent-mid);font-size:.86rem;font-weight:700;cursor:pointer;list-style:none}\n.gp-ssr .ssr-more summary::-webkit-details-marker{display:none}\n.gp-ssr .ssr-more summary::before{content:\"+\";display:inline-block;width:1.3em;text-indent:0;font-weight:700}\n.gp-ssr .ssr-more details[open] summary::before{content:\"\\2212\"}\n.gp-ssr .ssr-more summary:focus-visible{outline:2px solid var(--accent-soft);outline-offset:2px}\n.gp-ssr .ssr-det{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.6fr) minmax(0,1fr);gap:16px;margin-top:12px;padding:16px;background:var(--wash);border:1px solid var(--hair);border-radius:var(--r-card)}\n.gp-ssr .ssr-det h3{font-size:1rem;margin:0 0 10px}\n.gp-ssr .ssr-det h4{font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--accent-mid);margin:12px 0 6px}\n.gp-ssr .ssr-det h4:first-of-type{margin-top:0}\n.gp-ssr .ssr-facts{margin:0}\n.gp-ssr .ssr-facts div{padding:8px 0;border-top:1px solid var(--wash2)}\n.gp-ssr .ssr-facts div:first-child{border-top:0;padding-top:0}\n.gp-ssr .ssr-facts dt{font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--accent-mid)}\n.gp-ssr .ssr-facts dd{margin:3px 0 0;color:var(--ink2)}\n.gp-ssr .ssr-quotes,.gp-ssr .ssr-srcs{list-style:none;margin:0;padding:0}\n.gp-ssr .ssr-q{margin:0;padding:8px 10px;background:var(--panel);border:1px solid var(--hair);border-radius:var(--r-ctl);color:var(--ink);font-size:.88rem}\n.gp-ssr .ssr-q-en{margin-top:4px;font-size:.84rem;color:var(--dim)}\n.gp-ssr .ssr-q-cite{margin-top:4px;font-size:.8rem}\n.gp-ssr .ssr-kind{font-size:.76rem;color:var(--faint)}\n.gp-ssr .ssr-dates{margin-top:10px;font-size:.82rem;color:var(--dim)}\n.gp-ssr .ssr-grp-link{margin-left:10px;font-size:.84rem;font-weight:400;letter-spacing:0}\n.gp-ssr .ssr-more-link{margin-top:10px;font-size:.88rem;font-weight:700}\n.gp-ssr 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Perennial crops in production: just after harvest, before the next fertilising. Where crop nutrition is monitored: 30 days after the last fertiliser, 15 days after fertigation.\"}},{\"@type\":\"Question\",\"name\":\"How many hectares can one soil sample cover in Brazil?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Embrapa, Amostragem de solo para recomenda\u00e7\u00e3o de calagem e aduba\u00e7\u00e3o (official guidance): Homogeneous plots (talh\u00f5es) of at most 10 ha, one composite each.\"}},{\"@type\":\"Question\",\"name\":\"How deep should soil samples be taken in Brazil?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Embrapa, Amostragem de solo para recomenda\u00e7\u00e3o de calagem e aduba\u00e7\u00e3o (official guidance): 0 to 20 cm for conventional tillage, perennial crops, and no-till fertilised in the row up to the 6th consecutive crop. 0 to 10 cm for no-till after the 6th crop, established pasture and undisturbed natural grassland. 20 to 40 and 40 to 60 cm before the first planting, to find barriers.\"}},{\"@type\":\"Question\",\"name\":\"How many cores go into one soil sample in Brazil?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Embrapa, Amostragem de solo para recomenda\u00e7\u00e3o de calagem e aduba\u00e7\u00e3o (official guidance): At least 10 points per homogeneous plot, ideally about 20.\"}},{\"@type\":\"Question\",\"name\":\"How many soil samples does a 40 ha field need in Brazil?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Under Embrapa, Amostragem de solo para recomenda\u00e7\u00e3o de calagem e aduba\u00e7\u00e3o: A uniform 40 ha field needs at least 4 composite samples of no more than 10 ha each, and at least 40 cores in all, 10 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\">Brazil<\/span><\/nav><h1>Soil sampling requirements in Brazil<\/h1><p class=\"ssr-lede\">National guidance: Embrapa, Amostragem de solo para recomenda\u00e7\u00e3o de calagem e aduba\u00e7\u00e3o.<\/p><\/div><section class=\"ssr-ans\" aria-labelledby=\"ssr-ans-h\"><h2 id=\"ssr-ans-h\">Soil sampling in Brazil: 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 Brazil?<\/h3><ul data-no-translation><li><a href=\"#rule-br-embrapa-soil-sampling-liming-fertilising\">Embrapa, Amostragem de solo para recomenda\u00e7\u00e3o de calagem e aduba\u00e7\u00e3o<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Where crop nutrition is monitored: every year, sometimes twice a year, alongside leaf analysis.<\/li><\/ul><\/div><div class=\"ssr-ans-q\"><h3>When in the year should soil be sampled in Brazil?<\/h3><ul data-no-translation><li><a href=\"#rule-br-embrapa-soil-sampling-liming-fertilising\">Embrapa, Amostragem de solo para recomenda\u00e7\u00e3o de calagem e aduba\u00e7\u00e3o<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Annual crops: end of the rainy season, ahead of the next planting. Perennial crops in production: just after harvest, before the next fertilising. Where crop nutrition is monitored: 30 days after the last fertiliser, 15 days after fertigation.<\/li><\/ul><\/div><div class=\"ssr-ans-q\"><h3>How many hectares can one soil sample cover in Brazil?<\/h3><ul data-no-translation><li><a href=\"#rule-br-embrapa-soil-sampling-liming-fertilising\">Embrapa, Amostragem de solo para recomenda\u00e7\u00e3o de calagem e aduba\u00e7\u00e3o<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> Homogeneous plots (talh\u00f5es) of at most 10 ha, one composite each.<\/li><\/ul><\/div><div class=\"ssr-ans-q\"><h3>How deep should soil samples be taken in Brazil?<\/h3><ul data-no-translation><li><a href=\"#rule-br-embrapa-soil-sampling-liming-fertilising\">Embrapa, Amostragem de solo para recomenda\u00e7\u00e3o de calagem e aduba\u00e7\u00e3o<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> 0 to 20 cm for conventional tillage, perennial crops, and no-till fertilised in the row up to the 6th consecutive crop. 0 to 10 cm for no-till after the 6th crop, established pasture and undisturbed natural grassland. 20 to 40 and 40 to 60 cm before the first planting, to find barriers.<\/li><\/ul><\/div><div class=\"ssr-ans-q\"><h3>How many cores go into one soil sample in Brazil?<\/h3><ul data-no-translation><li><a href=\"#rule-br-embrapa-soil-sampling-liming-fertilising\">Embrapa, Amostragem de solo para recomenda\u00e7\u00e3o de calagem e aduba\u00e7\u00e3o<\/a> <span class=\"ssr-ans-t\">Official guidance<\/span> At least 10 points per homogeneous plot, ideally about 20.<\/li><\/ul><\/div><div class=\"ssr-ans-ex\"><h3>How many soil samples does a 40 ha field need in Brazil?<\/h3><p><span data-no-translation>Embrapa, Amostragem de solo para recomenda\u00e7\u00e3o de calagem e aduba\u00e7\u00e3o:<\/span> A uniform 40 ha field needs at least 4 composite samples of no more than 10 ha each, and at least 40 cores in all, 10 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 Brazil\">\n<div class=\"ssr-scroll\" data-no-translation>\n<table class=\"ssr-table\" role=\"table\" aria-label=\"Soil sampling rules in Brazil\">\n<caption>Soil sampling rules in Brazil, 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=\"BR\" role=\"rowgroup\"><tr role=\"row\"><th role=\"rowheader\" colspan=\"8\" scope=\"colgroup\" id=\"country-br\">Brazil<\/th><\/tr><\/tbody>\n<tbody id=\"rule-br-embrapa-soil-sampling-liming-fertilising\" class=\"ssr-rec\" role=\"rowgroup\" data-c=\"BR\" data-r=\"\" data-p=\"fertility\" data-s=\"official_guidance\" data-m=\"zone pattern\" data-q=\"brazil | embrapa, amostragem de solo para recomenda\u00e7\u00e3o de calagem e aduba\u00e7\u00e3o | soil sample for lime and fertiliser recommendations | embrapa mandioca e fruticultura tropical, amostragem de solo para recomenda\u00e7\u00e3o de calagem e aduba\u00e7\u00e3o (folder, june 2009) | ph, p, k, mg | brasil | brazil | embrapa | amostragem de solo | an\u00e1lise de solo | analise de solo | plantio direto\">\n<tr role=\"row\" class=\"ssr-main\"><th role=\"rowheader\" scope=\"row\" data-label=\"Country \/ region\"><span class=\"ssr-place\">Brazil<\/span><\/th><td role=\"cell\" data-label=\"Purpose \/ programme\"><span class=\"ssr-pur\">Soil sample for lime and fertiliser recommendations<\/span><span class=\"ssr-sub\">Embrapa, Amostragem de solo para recomenda\u00e7\u00e3o de calagem e aduba\u00e7\u00e3o<\/span><\/td><td role=\"cell\" data-label=\"Time \/ frequency\"><ul class=\"ssr-time\"><li><span class=\"k\">Season<\/span> Annual crops: end of the rainy season, ahead of the next planting. Perennial crops in production: just after harvest, before the next fertilising.<\/li><li><span class=\"k\">Wait<\/span> Where crop nutrition is monitored: 30 days after the last fertiliser, 15 days after fertigation<\/li><li><span class=\"k\">Repeat<\/span> Where crop nutrition is monitored: every year, sometimes twice a year, alongside leaf analysis<\/li><\/ul><\/td><td role=\"cell\" data-label=\"Area per sample\">Homogeneous plots (talh\u00f5es) of at most 10 ha, one composite each<\/td><td role=\"cell\" data-label=\"Method\">Split the area into homogeneous plots by soil colour, relief, texture, drainage, erosion, vegetation or previous crop, cropping, liming and fertiliser history, management and yield; walk each plot at random in a zigzag.<\/td><td role=\"cell\" data-label=\"Depth\">0 to 20 cm for conventional tillage, perennial crops, and no-till fertilised in the row up to the 6th consecutive crop. 0 to 10 cm for no-till after the 6th crop, established pasture and undisturbed natural grassland. 20 to 40 and 40 to 60 cm before the first planting, to find barriers.<\/td><td role=\"cell\" data-label=\"Cores\">At least 10 points per homogeneous plot, ideally about 20<\/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.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Embrapa, Amostragem de Solo para Recomenda\u00e7\u00e3o de Calagem e Aduba\u00e7\u00e3o (PDF folder, 2009)<\/a><\/td><\/tr>\n<tr role=\"row\" class=\"ssr-more\"><td role=\"cell\" colspan=\"8\"><details data-id=\"br-embrapa-soil-sampling-liming-fertilising\" data-c=\"Brazil\"><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 from Embrapa, the federal agricultural research corporation, for lime and fertiliser recommendations. Not law.<\/dd><\/div><div><dt>Field identifiers<\/dt><dd>Label each sample with date, place and depth of collection.<\/dd><\/div><div><dt>In force from<\/dt><dd>Under review<\/dd><\/div><div><dt>Legal text<\/dt><dd>Embrapa Mandioca e Fruticultura Tropical, Amostragem de Solo para Recomenda\u00e7\u00e3o de Calagem e Aduba\u00e7\u00e3o (folder, June 2009)<\/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=\"pt\">Para culturas anuais, recomenda-se que a amostragem seja feita no final do per\u00edodo chuvoso, portanto com anteced\u00eancia em rela\u00e7\u00e3o ao novo plantio.<\/blockquote><p class=\"ssr-q-en\">For annual crops, sampling is recommended at the end of the rainy season, so ahead of the new planting.<\/p><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Folder, p. 1<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"pt\">Para culturas perenes em produ\u00e7\u00e3o, a amostragem deve ser realizada preferencialmente logo ap\u00f3s a colheita e antes de aplicar a aduba\u00e7\u00e3o para o novo ciclo.<\/blockquote><p class=\"ssr-q-en\">For perennial crops in production, sampling should preferably be done just after harvest and before applying fertiliser for the new cycle.<\/p><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Folder, p. 1<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"pt\">A amostragem do solo deve ser feita 30 dias ap\u00f3s a \u00faltima aduba\u00e7\u00e3o ou 15 dias ap\u00f3s a fertirriga\u00e7\u00e3o.<\/blockquote><p class=\"ssr-q-en\">Soil sampling must be done 30 days after the last fertilising or 15 days after fertigation.<\/p><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Folder, p. 1, crops whose nutritional status is monitored<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"pt\">A an\u00e1lise qu\u00edmica do solo da mesma gleba ou talh\u00e3o deve ser repetida anualmente ou, em alguns casos, at\u00e9 duas vezes no ano, devendo ser conciliada com a an\u00e1lise qu\u00edmica foliar.<\/blockquote><p class=\"ssr-q-en\">The soil chemical analysis of the same gleba or plot must be repeated every year or, in some cases, up to twice a year, matched with leaf chemical analysis.<\/p><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Folder, p. 1, crops whose nutritional status is monitored<\/a><\/p><\/li><\/ul><h4>Area per sample<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"pt\">A \u00e1rea a ser amostrada deve ser dividida em estratos, glebas ou talh\u00f5es de no m\u00e1ximo 10 hectares<\/blockquote><p class=\"ssr-q-en\">The area to be sampled must be divided into strata, glebas or plots of at most 10 hectares<\/p><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Folder, p. 2<\/a><\/p><\/li><\/ul><h4>Method<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"pt\">homog\u00eaneos quanto \u00e0 cor do solo (amarela, vermelha, cinza ou preta), topografia (topo, encosta ou baixada), textura (argilosa, m\u00e9dia ou arenosa), condi\u00e7\u00f5es de drenagem, grau de eros\u00e3o, tipo de vegeta\u00e7\u00e3o ou cultura anterior, hist\u00f3rico de uso (com ou sem cultivo, com ou sem calagem\/aduba\u00e7\u00e3o), manejo e produtividade agr\u00edcola.<\/blockquote><p class=\"ssr-q-en\">homogeneous in soil colour (yellow, red, grey or black), topography (hilltop, slope or low ground), texture (clayey, medium or sandy), drainage, degree of erosion, type of vegetation or previous crop, history of use (with or without cropping, with or without liming or fertilising), management and yield.<\/p><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Folder, p. 2<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"pt\">Desta forma, para cada condi\u00e7\u00e3o dever\u00e1 ser coletada uma amostra composta separadamente<\/blockquote><p class=\"ssr-q-en\">So for each condition a separate composite sample must be collected<\/p><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Folder, p. 2<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"pt\">caminhando-se ao acaso em zigue-zague na \u00e1rea, para formar a amostra composta<\/blockquote><p class=\"ssr-q-en\">walking at random in a zigzag across the area, to form the composite sample<\/p><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Folder, p. 2<\/a><\/p><\/li><\/ul><h4>Depth<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"pt\">a) 0 a 10 cent\u00edmetros: culturas anuais sob sistema de plantio direto ap\u00f3s o \u2026 cultivo consecutivo adubado em linha, manuten\u00e7\u00e3o de pastagens formadas e campo natural sem revolvimento do solo.<\/blockquote><p class=\"ssr-q-en\">a) 0 to 10 centimetres: annual crops under no-till after the \u2026 consecutive crop fertilised in the row, maintenance of established pastures and natural grassland without soil disturbance.<\/p><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Folder, p. 2, sampling depth (a); the elided ordinal is the 6th<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"pt\">b) 0 a 20 cent\u00edmetros: culturas perenes (fruteiras, caf\u00e9, cravo-da-\u00edndia, dend\u00ea, seringueira etc.); culturas anuais, forma\u00e7\u00e3o de culturas perenes e de pastagens, com sistema convencional de preparo do solo, e at\u00e9 o \u2026 cultivo anual consecutivo, sob sistema de plantio direto, adubado em linha.<\/blockquote><p class=\"ssr-q-en\">b) 0 to 20 centimetres: perennial crops (fruit, coffee, clove, oil palm, rubber etc.); annual crops, establishment of perennial crops and pastures, under conventional tillage, and up to the \u2026 consecutive annual crop under no-till fertilised in the row.<\/p><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Folder, p. 2, sampling depth (b); the elided ordinal is the 6th<\/a><\/p><\/li><li><blockquote class=\"ssr-q\" lang=\"pt\">c) 20 a 40 e 40 a 60 cent\u00edmetros: antes do primeiro plantio na \u00e1rea, a amostragem de camadas mais profundas do solo objetiva detectar a ocorr\u00eancia de barreiras f\u00edsicas (pedregosidade, compacta\u00e7\u00e3o) ou qu\u00edmicas (toxidez de alum\u00ednio, defici\u00eancia de nutrientes)<\/blockquote><p class=\"ssr-q-en\">c) 20 to 40 and 40 to 60 centimetres: before the first planting in the area, sampling the deeper soil layers aims to detect physical barriers (stoniness, compaction) or chemical ones (aluminium toxicity, nutrient deficiency)<\/p><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Folder, p. 2, sampling depth (c)<\/a><\/p><\/li><\/ul><h4>Cores<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"pt\">O n\u00famero de amostras simples n\u00e3o deve ser inferior a 10 pontos por talh\u00e3o homog\u00eaneo, sendo ideal em torno de 20 pontos.<\/blockquote><p class=\"ssr-q-en\">The number of simple samples must not be below 10 points per homogeneous plot, ideally about 20 points.<\/p><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Folder, p. 2<\/a><\/p><\/li><\/ul><h4>Field identifiers<\/h4><ul class=\"ssr-quotes\"><li><blockquote class=\"ssr-q\" lang=\"pt\">As amostras devem ser identificadas com data, local e profundidade da coleta e enviadas para o laborat\u00f3rio.<\/blockquote><p class=\"ssr-q-en\">Samples must be labelled with the date, place and depth of collection and sent to the laboratory.<\/p><p class=\"ssr-q-cite\"><a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Folder, p. 2<\/a><\/p><\/li><\/ul><\/div><div class=\"ssr-srcbox\"><h3>Sources<\/h3><ul class=\"ssr-srcs\"><li><a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/655892\/1\/folderamostragemsolo.pdf\" data-ssr-src rel=\"noopener\">Embrapa, Amostragem de Solo para Recomenda\u00e7\u00e3o de Calagem e Aduba\u00e7\u00e3o (PDF folder, 2009)<\/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>\u041f\u0440\u0430\u0432\u0438\u043b\u0430 \u043e\u0442\u0431\u043e\u0440\u0430 \u043f\u0440\u043e\u0431 \u043f\u043e\u0447\u0432\u044b \/ \u0411\u0440\u0430\u0437\u0438\u043b\u0438\u044f \u0422\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f \u043a \u043e\u0442\u0431\u043e\u0440\u0443 \u043f\u0440\u043e\u0431 \u043f\u043e\u0447\u0432\u044b \u0432 \u0411\u0440\u0430\u0437\u0438\u043b\u0438\u0438 \u041d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438: Embrapa, Amostragem de Solo para recomenda\u00e7\u00e3o de Calagem e Aduba\u00e7\u00e3o. \u041e\u0442\u0431\u043e\u0440 \u043f\u0440\u043e\u0431 \u043f\u043e\u0447\u0432\u044b \u0432\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-14948","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 Brazil | GeoPard<\/title>\n<meta name=\"description\" content=\"Check soil sampling frequency, sample area, depth, cores and grid or zone guidance for Brazil. 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