{"id":11701,"date":"2025-04-14T11:12:43","date_gmt":"2025-04-14T16:12:43","guid":{"rendered":"https:\/\/www.agron.iastate.edu\/glsi\/?p=11701"},"modified":"2025-10-01T10:33:20","modified_gmt":"2025-10-01T15:33:20","slug":"soil-organic-matter-image-gallery","status":"publish","type":"post","link":"https:\/\/www.agron.iastate.edu\/glsi\/soil-properties-images\/soil-organic-matter-image-gallery\/","title":{"rendered":"Soil Organic Matter Image Gallery"},"content":{"rendered":"\n<div class=\"wp-block-ugb-container ugb-container ugb-9406a1f ugb-container--v2 ugb-container--design-plain ugb-main-block\"><style>@media screen and (min-width:768px){.ugb-9406a1f > .ugb-inner-block > .ugb-block-content > *{padding-bottom:0px !important}}<\/style><div class=\"ugb-inner-block\"><div class=\"ugb-block-content\"><div class=\"ugb-container__wrapper ugb-9406a1f-wrapper\"><div class=\"ugb-container__side\"><div class=\"ugb-container__content-wrapper ugb-9406a1f-content-wrapper\"><div class=\"paragraph-widget paragraph-widget--text-html\">\n\t<div class=\"text-content\">\n\t\t<h4>Organic matter refers to decomposed plant and animal residues in the soil, reported as a percentage by weight of the &lt;2 mm soil fraction. It varies with land management, vegetation, and soil formation processes. Depth patterns in organic carbon can reflect historic deposition or natural soil development.<\/h4>\n<h2>Applied Relevance<\/h2>\n<p>Organic matter enhances available water capacity, infiltration, biological activity, and nutrient cycling. It supports soil health and crop productivity, but high levels may reduce soil stability and cause subsidence when dry. Managing organic matter through residue return and reduced disturbance improves long-term soil function and fertility.<\/p>\n<h2>Available Depths<\/h2>\n<p>GIS data layers are available for cumulative and segmented depth intervals including:<br data-start=\"1092\" data-end=\"1095\">0\u20135 cm, 5\u201320 cm, 0\u201320 cm, 0\u201330 cm, 0\u201350 cm, 0\u2013100 cm, 0\u2013150 cm, and 150\u2013200 cm.<\/p>\n\n\t<\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div>\n\n\n<div class=\"paragraph-widget paragraph-widget--text-html\">\n\t<div class=\"text-content\">\n\t\t<h2>Map Gallery<\/h2>\n<p>To save images, right click image and select &#8220;save as&#8221; to download.&nbsp;<\/p>\n\n\t<\/div>\n<\/div>\n\n\n<style type=\"text\/css\">\n#foogallery-gallery-4297.fg-justified .fg-item { margin-right: 1px; margin-bottom: 1px; }\n#foogallery-gallery-4297.fg-justified .fg-image { height: 150px; }<\/style>\n\t\t\t<style type=\"text\/css\">\n#foogallery-gallery-4297_1.fg-justified .fg-item { margin-right: 1px; margin-bottom: 1px; }\n#foogallery-gallery-4297_1.fg-justified .fg-image { height: 150px; }<\/style>\n\t\t\t<div class=\"foogallery foogallery-container foogallery-justified foogallery-lightbox-foobox fg-justified fg-ready fg-dark fg-shadow-outline fg-loading-partial fg-loaded-fade-in fg-hover-grayscale fg-caption-hover fg-hover-fade fg-hover-zoom\" id=\"foogallery-gallery-4297_1\" data-foogallery=\"{&quot;item&quot;:{&quot;showCaptionTitle&quot;:true,&quot;showCaptionDescription&quot;:true},&quot;lazy&quot;:true,&quot;template&quot;:{&quot;rowHeight&quot;:150,&quot;maxRowHeight&quot;:300,&quot;margins&quot;:1,&quot;align&quot;:&quot;center&quot;,&quot;lastRow&quot;:&quot;smart&quot;}}\" style=\"--fg-title-line-clamp: 0; --fg-description-line-clamp: 0;\" >\n\t<div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2019\/06\/01SOM0to5cm.jpg\" data-caption-title=\"01SOM0to5cm\" data-attachment-id=\"4788\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img fetchpriority=\"high\" decoding=\"async\" height=\"300\" width=\"391\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/01SOM0to5cm\/3920770817.jpg\" data-srcset-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/01SOM0to5cm\/2896887701.jpg 4x\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22391%22%20height%3D%22300%22%20viewBox%3D%220%200%20391%20300%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">01SOM0to5cm<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2019\/06\/02SOM0to20cm.jpg\" data-caption-title=\"02SOM0to20cm\" data-attachment-id=\"4789\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" height=\"300\" width=\"391\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/02SOM0to20cm\/2720796891.jpg\" data-srcset-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/02SOM0to20cm\/1426808654.jpg 4x\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22391%22%20height%3D%22300%22%20viewBox%3D%220%200%20391%20300%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">02SOM0to20cm<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2019\/06\/03SOM0to30cm.jpg\" data-caption-title=\"03SOM0to30cm\" data-attachment-id=\"4790\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" height=\"300\" width=\"391\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/03SOM0to30cm\/2116384629.jpg\" data-srcset-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/03SOM0to30cm\/2298624224.jpg 4x\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22391%22%20height%3D%22300%22%20viewBox%3D%220%200%20391%20300%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">03SOM0to30cm<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2019\/06\/04SOM0to100cm.jpg\" data-caption-title=\"04SOM0to100cm\" data-attachment-id=\"4792\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" height=\"300\" width=\"391\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/04SOM0to100cm\/3628546364.jpg\" data-srcset-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/04SOM0to100cm\/1490385336.jpg 4x\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22391%22%20height%3D%22300%22%20viewBox%3D%220%200%20391%20300%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">04SOM0to100cm<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2019\/06\/05SOM0to150cm.jpg\" data-caption-title=\"05SOM0to150cm\" data-attachment-id=\"4794\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" height=\"300\" width=\"391\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/05SOM0to150cm\/66233136.jpg\" data-srcset-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/05SOM0to150cm\/2204165044.jpg 4x\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22391%22%20height%3D%22300%22%20viewBox%3D%220%200%20391%20300%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">05SOM0to150cm<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2019\/06\/06SOM0to200cm.jpg\" data-caption-title=\"06SOM0to200cm\" data-attachment-id=\"4796\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" height=\"300\" width=\"391\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/06SOM0to200cm\/2372744921.jpg\" data-srcset-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/06SOM0to200cm\/234845789.jpg 4x\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22391%22%20height%3D%22300%22%20viewBox%3D%220%200%20391%20300%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">06SOM0to200cm<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2019\/06\/07SOM5to20cm.jpg\" data-caption-title=\"07SOM5to20cm\" data-attachment-id=\"4798\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" height=\"300\" width=\"391\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/07SOM5to20cm\/2381224437.jpg\" data-srcset-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/07SOM5to20cm\/2060047968.jpg 4x\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22391%22%20height%3D%22300%22%20viewBox%3D%220%200%20391%20300%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">07SOM5to20cm<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2019\/06\/08SOM20to50cm.jpg\" data-caption-title=\"08SOM20to50cm\" data-attachment-id=\"4801\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" height=\"300\" width=\"391\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/08SOM20to50cm\/844223826.jpg\" data-srcset-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/08SOM20to50cm\/2999162326.jpg 4x\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22391%22%20height%3D%22300%22%20viewBox%3D%220%200%20391%20300%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">08SOM20to50cm<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2019\/06\/09SOM50to100cm.jpg\" data-caption-title=\"09SOM50to100cm\" data-attachment-id=\"4803\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" height=\"300\" width=\"391\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/09SOM50to100cm\/3574992191.jpg\" data-srcset-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/09SOM50to100cm\/1061410886.jpg 4x\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22391%22%20height%3D%22300%22%20viewBox%3D%220%200%20391%20300%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">09SOM50to100cm<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2019\/06\/10SOM100to150cm.jpg\" data-caption-title=\"10SOM100to150cm\" data-attachment-id=\"4805\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" height=\"300\" width=\"391\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/10SOM100to150cm\/945756313.jpg\" data-srcset-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/10SOM100to150cm\/292324564.jpg 4x\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22391%22%20height%3D%22300%22%20viewBox%3D%220%200%20391%20300%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">10SOM100to150cm<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><div class=\"fg-item fg-type-image fg-idle\"><figure class=\"fg-item-inner\"><a href=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/2019\/06\/11SOM150to200cm.jpg\" data-caption-title=\"11SOM150to200cm\" data-attachment-id=\"4807\" data-type=\"image\" class=\"fg-thumb\"><span class=\"fg-image-wrap\"><img decoding=\"async\" height=\"300\" width=\"391\" class=\"skip-lazy fg-image\" data-src-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/11SOM150to200cm\/3466366329.jpg\" data-srcset-fg=\"https:\/\/www.agron.iastate.edu\/glsi\/files\/cache\/2019\/06\/11SOM150to200cm\/3887010100.jpg 4x\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22391%22%20height%3D%22300%22%20viewBox%3D%220%200%20391%20300%22%3E%3C%2Fsvg%3E\" loading=\"eager\"><\/span><span class=\"fg-image-overlay\"><\/span><\/a><figcaption class=\"fg-caption\"><div class=\"fg-caption-inner\"><div class=\"fg-caption-title\">11SOM150to200cm<\/div><\/div><\/figcaption><\/figure><div class=\"fg-loader\"><\/div><\/div><\/div>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3216,"featured_media":10596,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[307],"tags":[],"class_list":["post-11701","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-soil-properties-images"],"acf":[],"featured_image_urls_v2":{"full":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/Soil-Content.gif",1920,1473,false],"thumbnail":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/Soil-Content-150x150.gif",150,150,true],"medium":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/Soil-Content-300x230.gif",300,230,true],"medium_large":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/Soil-Content-768x589.gif",768,589,true],"large":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/Soil-Content-1024x786.gif",1024,786,true],"1536x1536":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/Soil-Content-1536x1178.gif",1536,1178,true],"2048x2048":["https:\/\/www.agron.iastate.edu\/glsi\/files\/2025\/03\/Soil-Content.gif",1920,1473,false]},"post_excerpt_stackable_v2":"<p>Organic matter refers to decomposed plant and animal residues in the soil, reported as a percentage by weight of the &lt;2 mm soil fraction. It varies with land management, vegetation, and soil formation processes. Depth patterns in organic carbon can reflect historic deposition or natural soil development. Applied Relevance Organic matter enhances available water capacity, infiltration, biological activity, and nutrient cycling. It supports soil health and crop productivity, but high levels may reduce soil stability and cause subsidence when dry. Managing organic matter through residue return and reduced disturbance improves long-term soil function and fertility. Available Depths GIS data layers&hellip;<\/p>\n","category_list_v2":"<a href=\"https:\/\/www.agron.iastate.edu\/glsi\/category\/soil-properties-images\/\" rel=\"category tag\">Soil Properties Images<\/a>","author_info_v2":{"name":"Bradley Miller","url":"https:\/\/www.agron.iastate.edu\/glsi\/author\/millerba\/"},"comments_num_v2":"0 comments","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Soil Organic Matter Image Gallery - Geospatial Laboratory for Soil Informatics<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.agron.iastate.edu\/glsi\/soil-properties-images\/soil-organic-matter-image-gallery\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Soil Organic Matter Image Gallery - 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