{"id":8336,"date":"2026-02-05T14:17:24","date_gmt":"2026-02-05T11:17:24","guid":{"rendered":"https:\/\/frendt.ua\/?p=8336"},"modified":"2026-02-05T14:23:06","modified_gmt":"2026-02-05T11:23:06","slug":"agrochemical-soil-analysis-how-to-increase-yields-and-reduce-fertilizer-costs","status":"publish","type":"post","link":"https:\/\/frendt.ua\/en\/agrochemical-soil-analysis-how-to-increase-yields-and-reduce-fertilizer-costs\/","title":{"rendered":"Agrochemical Soil Analysis: How to Increase Yields and Reduce Fertilizer Costs"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Soil can no longer be viewed as a homogeneous medium \u2013 it is a complex system that directly determines the economics of a field. That is why agrochemical soil analysis has evolved from an optional procedure into a <\/span><b>core tool for managing yields, costs, and production risks<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This article explains what soil analysis actually reveals, what real data we have for Ukraine, and how these figures can be transformed into <\/span><b>practical agronomic and financial decisions<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-8332 aligncenter lazyload\" data-src=\"https:\/\/frendt.ua\/wp-content\/uploads\/2026\/02\/img_6207-1.jpg\" alt=\"\" width=\"843\" height=\"854\" data-srcset=\"https:\/\/frendt.ua\/wp-content\/uploads\/2026\/02\/img_6207-1.jpg 843w, https:\/\/frendt.ua\/wp-content\/uploads\/2026\/02\/img_6207-1-296x300.jpg 296w, https:\/\/frendt.ua\/wp-content\/uploads\/2026\/02\/img_6207-1-768x778.jpg 768w, https:\/\/frendt.ua\/wp-content\/uploads\/2026\/02\/img_6207-1-624x632.jpg 624w\" data-sizes=\"(max-width: 843px) 100vw, 843px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 843px; --smush-placeholder-aspect-ratio: 843\/854;\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Agrochemical soil analysis is a comprehensive laboratory assessment that reflects the actual condition of soil within a specific field or its individual zones. Its primary purpose is to provide an objective answer to a key question: <\/span><b>what exactly limits crop productivity and where resources are being used inefficiently<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Within the scope of soil analysis, the following parameters are determined:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">soil acidity (pH);<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">humus (organic matter) content;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">availability of macronutrients \u2013 nitrogen, phosphorus, and potassium (NPK);<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">when required \u2013 micronutrients, salinity, and other limiting factors.<\/span><\/li>\n<\/ul>\n<p><b>Important:<\/b><span style=\"font-weight: 400;\"> an analysis without spatial reference provides only an \u201caverage value.\u201d That is why modern approaches rely on soil sampling with GPS coordinates and the creation of <\/span><b>agrochemical soil maps<\/b><span style=\"font-weight: 400;\">, which are then used for variable-rate application.<\/span><\/p>\n<h2><b>Why \u201cAverage Application Rates\u201d No Longer Work<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">One of the most common mistakes in crop production is treating a field as uniform. In reality, soils within the same field can differ significantly in acidity, nutrient reserves, and yield potential.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">When fertilizers are applied at an average rate across the entire field, a farm faces two types of systematic losses:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Over-application<\/b><span style=\"font-weight: 400;\"> in zones where plants are unable to efficiently utilize additional nutrients.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Under-application<\/b><span style=\"font-weight: 400;\"> in productive areas that could deliver substantially higher yields.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Agrochemical soil analysis converts these hidden losses into <\/span><b>clear data, maps, and actionable decisions<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><b>Soil Fertility in Ukraine: What the Data Shows<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">According to the results of state agrochemical soil monitoring in Ukraine (2016\u20132025):<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">in certain regions, gradual soil acidification is observed due to insufficient liming and the use of acidic fertilizers;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">humus content remains at a low level or slowly declines as a result of organic matter deficiency;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">low availability of readily hydrolysable nitrogen remains the key limiting factor;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">phosphorus and potassium availability is generally moderate to high and depends on the fertilization system.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">These factors have a straightforward practical interpretation: <\/span><b>nitrogen availability and soil acidity remain the main limiting factors<\/b><span style=\"font-weight: 400;\">, while phosphorus and potassium are often applied by inertia, without proper consideration of the actual soil condition.<\/span><\/p>\n<h2><b>How Soil Sampling Should Be Performed<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The accuracy of agrochemical soil analysis directly depends on the sampling methodology. A professional approach includes:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">dividing the field into zones or using a regular grid;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">maintaining a consistent sampling depth;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">eliminating subjective \u201cvisual selection\u201d of sampling points;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ensuring precise GPS positioning of each sample.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Only this approach allows for <\/span><b>repeatable results over time<\/b><span style=\"font-weight: 400;\"> and correct tracking of soil fertility dynamics.<\/span><\/p>\n<h2><b>Soil Fertility Maps and Variable-Rate Fertilizer Application<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Soil analysis results are used to create <\/span><b>soil fertility maps and application task maps<\/b><span style=\"font-weight: 400;\"> for agricultural machinery. This forms the basis of variable-rate fertilization, where each zone of the field receives exactly the amount of nutrients it requires.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In practice, this makes it possible to:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">reduce fertilizer overuse in weak zones;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">increase nutrient efficiency in productive areas;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">stabilize yields during challenging seasons;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">make input costs more predictable.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Field comparisons in Ukraine show that a <\/span><b>variable-rate approach based on agrochemical soil analysis increases yields by 5-15%<\/b><span style=\"font-weight: 400;\"> and reduces fertilizer use by up to <\/span><b>15-25%<\/b><span style=\"font-weight: 400;\">, depending on crop type and field variability.<\/span><\/p>\n<h2><b>How Often Should Agrochemical Soil Analysis Be Conducted?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The optimal frequency is <\/span><b>once every 3-4 years<\/b><span style=\"font-weight: 400;\">. However, soil analysis becomes essential when:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">a farm transitions to variable-rate application;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">yields are unstable without clear reasons;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">the fertilization system or crop rotation changes;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">significant investments in technology are planned.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Regular analysis not only enables rate adjustments but also helps <\/span><b>monitor soil degradation or recovery over time<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><b>Questions Every Farmer Asks<\/b><\/h2>\n<p><b>How much does agrochemical soil analysis cost?<\/b><b><br \/>\n<\/b><span style=\"font-weight: 400;\">The cost depends on the selected parameters, sampling grid density, and total area. The most accurate approach is to evaluate costs not \u201cper field,\u201d but <\/span><b>per hectare and per sampling point<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><b>What is more important \u2013 pH or NPK?<\/b><b><br \/>\n<\/b><span style=\"font-weight: 400;\">pH is a fundamental parameter. Under problematic acidity, even sufficient phosphorus reserves may become unavailable to plants.<\/span><\/p>\n<p><b>Does soil analysis deliver an economic return?<\/b><b><br \/>\n<\/b><span style=\"font-weight: 400;\">Yes. The economic effect comes from two sources: <\/span><b>savings on unnecessary fertilizer applications<\/b><span style=\"font-weight: 400;\"> and <\/span><b>yield increases in productive zones<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Agrochemical soil analysis is not a laboratory expense.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">It is a <\/span><b>field economics management tool<\/b><span style=\"font-weight: 400;\"> that enables decision-making based on data rather than assumptions.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Precision starts with soil.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">And soil is what ultimately determines whether your fertilizers, technologies, and investments truly work.<\/span><\/p>\n<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div>","protected":false},"excerpt":{"rendered":"<p>Agrochemical soil analysis: pH, humus, NPK, soil fertility maps, variable-rate application. How to increase yields and reduce fertilizer costs.<\/p>\n","protected":false},"author":7,"featured_media":8332,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[69],"class_list":["post-8336","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/frendt.ua\/en\/wp-json\/wp\/v2\/posts\/8336","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/frendt.ua\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/frendt.ua\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/frendt.ua\/en\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/frendt.ua\/en\/wp-json\/wp\/v2\/comments?post=8336"}],"version-history":[{"count":3,"href":"https:\/\/frendt.ua\/en\/wp-json\/wp\/v2\/posts\/8336\/revisions"}],"predecessor-version":[{"id":8339,"href":"https:\/\/frendt.ua\/en\/wp-json\/wp\/v2\/posts\/8336\/revisions\/8339"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/frendt.ua\/en\/wp-json\/wp\/v2\/media\/8332"}],"wp:attachment":[{"href":"https:\/\/frendt.ua\/en\/wp-json\/wp\/v2\/media?parent=8336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/frendt.ua\/en\/wp-json\/wp\/v2\/categories?post=8336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}