{"id":8356,"date":"2020-10-24T12:01:28","date_gmt":"2020-10-24T15:01:28","guid":{"rendered":"https:\/\/rehagro.com.br\/blog\/?p=8356"},"modified":"2026-04-08T12:20:04","modified_gmt":"2026-04-08T15:20:04","slug":"materia-organica-no-solo","status":"publish","type":"post","link":"https:\/\/rehagro.com.br\/blog\/materia-organica-no-solo\/","title":{"rendered":"Mat\u00e9ria org\u00e2nica no solo: veja os benef\u00edcios dessa forma que vai al\u00e9m do fornecimento de nutrientes"},"content":{"rendered":"<p>A <strong>mat\u00e9ria org\u00e2nica<\/strong> (MO) \u00e9 formada de organismos, res\u00edduos vegetais e res\u00edduos animais em decomposi\u00e7\u00e3o.<\/p>\n<p>Ela \u00e9 capaz de alterar as propriedades f\u00edsicas, qu\u00edmicas e biol\u00f3gicas do solo, dessa forma, podendo interferir no <strong>crescimento e desenvolvimento das plantas<\/strong>.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22575 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/materia-organica-1.jpg\" alt=\"Mat\u00e9ria org\u00e2nica e casca de caf\u00e9\" width=\"455\" height=\"254\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/materia-organica-1.jpg 455w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/materia-organica-1-300x167.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/materia-organica-1-370x207.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/materia-organica-1-270x151.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/materia-organica-1-150x84.jpg 150w\" sizes=\"auto, (max-width: 455px) 100vw, 455px\" \/><span style=\"font-weight: 400; font-size: 10pt;\">Composto org\u00e2nico e casca de caf\u00e9. (Foto: Diego Baqui\u00e3o).<\/span><\/p>\n<div style=\"background-color: #efefef; padding-left: 10px; padding-right: 5px; border-radius: 10px;\">\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><strong><span style=\"font-size: 14pt;\">Sem tempo para ler agora? Baixe este artigo em PDF!<\/span><\/strong><\/p>\n<p><script charset=\"utf-8\" type=\"text\/javascript\" src=\"\/\/js.hsforms.net\/forms\/embed\/v2.js\"><\/script><br \/>\n<script>\nhbspt.forms.create({\nregion: \"na1\",\nportalId: \"5430441\",\nformId: \"7dcaf60d-0e23-40ed-8b40-9b8cb07b4128\"\n});\n<\/script><\/p>\n<\/div>\n<h2>Mat\u00e9ria org\u00e2nica x fornecimento e disponibilidade de nutrientes<\/h2>\n<p><span style=\"font-weight: 400;\">A mat\u00e9ria org\u00e2nica quando mineralizada pode atuar no fornecimento de <strong>nutrientes essenciais para o desenvolvimento das plantas,<\/strong> como <strong><a href=\"https:\/\/rehagro.com.br\/blog\/nitrogenio-na-cultura-do-cafe\/\" target=\"_blank\" rel=\"noopener\">nitrog\u00eanio<\/a><\/strong> (N), <a href=\"https:\/\/rehagro.com.br\/blog\/fosfatagem-no-cafeeiro\/\" target=\"_blank\" rel=\"noopener\"><strong>f\u00f3sforo<\/strong><\/a> (P), <strong><a href=\"https:\/\/rehagro.com.br\/blog\/potassio-na-cultura-do-cafe\/\" target=\"_blank\" rel=\"noopener\">pot\u00e1ssio<\/a><\/strong> (K), outros macronutrientes e tamb\u00e9m os micronutrientes. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">No entanto, os benef\u00edcios proporcionados pela mat\u00e9ria org\u00e2nica <strong>v\u00e3o muito al\u00e9m do fornecimento de nutrientes<\/strong>, ela pode atuar tamb\u00e9m na disponibilidade de f\u00f3sforo, visto que o P \u00e9 um nutriente que apresenta grande fixa\u00e7\u00e3o com o solo, e por isso n\u00e3o fica dispon\u00edvel para absor\u00e7\u00e3o pelas plantas. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nesse sentido, os \u00e1cidos org\u00e2nicos liberados a partir da decomposi\u00e7\u00e3o da mat\u00e9ria org\u00e2nica atuam competindo com os s\u00edtios de adsor\u00e7\u00e3o de P, dessa forma, deixando o P mais dispon\u00edvel para a adsor\u00e7\u00e3o pelas plantas.\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/conteudo.rehagro.com.br\/calendario-agricola-cafeicultor?utm_campaign=material-cafe&amp;utm_source=calendario-cafe&amp;utm_medium=blog\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-39670 size-full\" title=\"Clique e baixe o material gratuitamente!\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-calendario-cafeicultura.png\" alt=\"Calend\u00e1rio agr\u00edcola do caf\u00e9\" width=\"980\" height=\"317\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-calendario-cafeicultura.png 980w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-calendario-cafeicultura-300x97.png 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-calendario-cafeicultura-768x248.png 768w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-calendario-cafeicultura-370x120.png 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-calendario-cafeicultura-270x87.png 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-calendario-cafeicultura-740x239.png 740w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-calendario-cafeicultura-150x49.png 150w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/a><\/p>\n<h2>Fontes de mat\u00e9ria org\u00e2nica x nutrientes e rela\u00e7\u00e3o C\/N<\/h2>\n<p>Pode-se utilizar diversas fontes no cafeeiro, dentre elas: o esterco de curral, esterco de galinha, palha de caf\u00e9 em coco, torta de mamona, entre outras. Abaixo temos o teor dos <strong><a href=\"https:\/\/rehagro.com.br\/blog\/adubo-npk\/\" target=\"_blank\" rel=\"noopener\">nutrientes N, P e K<\/a><\/strong> de algumas fontes:<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41823 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/tabela-teores-medios-npk.png\" alt=\"Tabela com tipos de adubos\" width=\"594\" height=\"304\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/tabela-teores-medios-npk.png 594w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/tabela-teores-medios-npk-300x154.png 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/tabela-teores-medios-npk-370x189.png 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/tabela-teores-medios-npk-585x300.png 585w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/tabela-teores-medios-npk-270x138.png 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/tabela-teores-medios-npk-150x77.png 150w\" sizes=\"auto, (max-width: 594px) 100vw, 594px\" \/><span style=\"font-size: 10pt;\"><span style=\"font-weight: 400;\">Teores m\u00e9dios (%) de nitrog\u00eanio (N), f\u00f3sforo (P) e pot\u00e1ssio (K). <\/span><span style=\"font-weight: 400;\">Fonte: Adaptado do Cultura de caf\u00e9 no Brasil &#8211; Manual de Recomenda\u00e7\u00f5es (2010) e arquivo Rehagro.<\/span><\/span><\/p>\n<p>Al\u00e9m das fontes citadas acima, a palhada da braqui\u00e1ria e res\u00edduos vegetais de caf\u00e9s podados, tamb\u00e9m podem ser colocados em cobertura na proje\u00e7\u00e3o da saia do cafeeiro, resultando em diversos benef\u00edcios, al\u00e9m da prote\u00e7\u00e3o do solo.<\/p>\n<p>No entanto, \u00e9 importante destacar, que os materiais possuem <strong>diferentes rela\u00e7\u00f5es C\/N<\/strong> (carbono\/nitrog\u00eanio), desta forma, <strong>quanto maior essa rela\u00e7\u00e3o, menor a taxa de decomposi\u00e7\u00e3o<\/strong>, isso porque os microrganismos n\u00e3o ir\u00e3o encontrar nitrog\u00eanio suficiente para s\u00edntese de prote\u00ednas, e por isso ter\u00e3o seu desenvolvimento limitado, diferentemente do que ocorre em condi\u00e7\u00f5es de baixa rela\u00e7\u00e3o C\/N.<\/p>\n<p>A braqui\u00e1ria e res\u00edduos de poda, por exemplo, apresentam baixo teor de N resultando numa alta rela\u00e7\u00e3o C\/N, por isso sua decomposi\u00e7\u00e3o \u00e9 mais lenta, quando comparada ao esterco, que possui uma menor rela\u00e7\u00e3o C\/N acarretando em uma decomposi\u00e7\u00e3o mais r\u00e1pida.<\/p>\n<p>Portanto, \u00e9 importante saber qual a rela\u00e7\u00e3o C\/N do material fornecido, a fim de compreender a velocidade da decomposi\u00e7\u00e3o desse material.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41824 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/tabela-relacao-cn.png\" alt=\"Mat\u00e9ria org\u00e2nica para aduba\u00e7\u00e3o do solo\" width=\"447\" height=\"321\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/tabela-relacao-cn.png 447w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/tabela-relacao-cn-300x215.png 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/tabela-relacao-cn-370x266.png 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/tabela-relacao-cn-270x194.png 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/tabela-relacao-cn-150x108.png 150w\" sizes=\"auto, (max-width: 447px) 100vw, 447px\" \/><span style=\"font-size: 10pt;\"><span style=\"font-weight: 400;\">Rela\u00e7\u00e3o C\/N de materiais. <\/span><span style=\"font-weight: 400;\">Adaptado: <\/span><span style=\"font-weight: 400;\">Esalq\/USP<\/span><span style=\"font-weight: 400;\"> e Souza et al., 1999.<\/span><\/span><\/p>\n<h2>Mat\u00e9ria org\u00e2nica x propriedades biol\u00f3gicas do solo<\/h2>\n<p><span style=\"font-weight: 400;\">Quando nos referimos \u00e0s <strong>propriedades biol\u00f3gicas do solo<\/strong>, a mat\u00e9ria org\u00e2nica favorece a atividade biol\u00f3gica do solo, que consiste principalmente de microrganismos que realizam diversas fun\u00e7\u00f5es essenciais para o funcionamento do solo.<\/span><\/p>\n<h2>Mat\u00e9ria org\u00e2nica x propriedades f\u00edsicas do solo<\/h2>\n<p><span style=\"font-weight: 400;\">A estrutura f\u00edsica do solo tamb\u00e9m \u00e9 beneficiada, pois a utiliza\u00e7\u00e3o de mat\u00e9ria org\u00e2nica proporciona <strong>maior reten\u00e7\u00e3o de \u00e1gua no solo<\/strong>, reduz o impacto da gota da chuva no solo, reduz os riscos de eros\u00e3o, dentre outros.<\/span><\/p>\n<h2>Mat\u00e9ria org\u00e2nica x CTC do solo<\/h2>\n<p>Apesar dos v\u00e1rios benef\u00edcios j\u00e1 citados quando se utiliza a mat\u00e9ria org\u00e2nica, destaca-se o aumento da <strong><a href=\"https:\/\/rehagro.com.br\/blog\/ctc-do-solo-entenda-o-que-e-e-como-interpreta-la\/\" target=\"_blank\" rel=\"noopener\">CTC do solo<\/a><\/strong>, sendo este, um dos principais fatores da utiliza\u00e7\u00e3o deste condicionador de solo.<\/p>\n<p>Essa grande import\u00e2ncia ocorre pois nossos solos brasileiros s\u00e3o ricos em <strong>argilas ox\u00eddicas<\/strong> (\u00f3xidos de Fe e Al) e <strong>argilas do tipo 1:1<\/strong> (Caulinita), apresentando estas argilas, baixa capacidade de gerar <strong>cargas no solo<\/strong>, desta forma, acarretando em baixa CTC, podendo ser observado em m\u00e9dia valores de CTC a pH 7,0 de 4 cmolc\/dm3 para as argilas ox\u00eddicas e de 8 cmolc\/dm3 para as argilas do tipo 1:1.<\/p>\n<p>Nesse cen\u00e1rio, os col\u00f3ides org\u00e2nicos (mat\u00e9ria org\u00e2nica) se destacam no quesito de formar cargas, podendo ser formados em torno de 200 cmolc\/dm3.<\/p>\n<p>Portanto, devido a essa capacidade da mat\u00e9ria org\u00e2nica em gerar cargas, aumentando assim a CTC dos nossos solos, sua utiliza\u00e7\u00e3o torna-se extremamente<strong> vantajosa e desej\u00e1vel<\/strong>, a fim de melhorar as condi\u00e7\u00f5es qu\u00edmicas do solo, proporcionando maior reten\u00e7\u00e3o de nutrientes no solo para as plantas, e a partir disso, com melhores condi\u00e7\u00f5es no solo, podendo acarretar em maior crescimento e desenvolvimento das plantas.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22579 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/materia-organica-4.jpg\" alt=\"Aplica\u00e7\u00e3o de mat\u00e9ria org\u00e2nica no solo\" width=\"495\" height=\"213\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/materia-organica-4.jpg 495w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/materia-organica-4-300x129.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/materia-organica-4-370x159.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/materia-organica-4-270x116.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/10\/materia-organica-4-150x65.jpg 150w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/><span style=\"font-weight: 400; font-size: 10pt;\">Aplica\u00e7\u00e3o de composto no sulco para implanta\u00e7\u00e3o de lavouras feito com palha de caf\u00e9 e esterco de curral (Foto: Diego Baqui\u00e3o).<\/span><\/p>\n<h2>Considera\u00e7\u00f5es finais<\/h2>\n<p>Portanto, a utiliza\u00e7\u00e3o de mat\u00e9ria org\u00e2nica na cultura do caf\u00e9 vai muito <strong>al\u00e9m apenas do fornecimento de nutrientes<\/strong>.<\/p>\n<p>Ela atua na melhoria das condi\u00e7\u00f5es f\u00edsicas, qu\u00edmicas e biol\u00f3gicas, <strong>destacando o aumento da CTC do solo<\/strong>. Este fator, inclusive, \u00e9 muito desej\u00e1vel para a constru\u00e7\u00e3o da fertilidade.<\/p>\n<h2>Aproveite os benef\u00edcios da mat\u00e9ria org\u00e2nica com gest\u00e3o estrat\u00e9gica da lavoura<\/h2>\n<p>A mat\u00e9ria org\u00e2nica no solo vai muito al\u00e9m do fornecimento de nutrientes: ela melhora a estrutura, aumenta a reten\u00e7\u00e3o de \u00e1gua, favorece a atividade biol\u00f3gica e contribui para a sustentabilidade da lavoura de caf\u00e9. Para transformar esses benef\u00edcios em maior produtividade e lucro, \u00e9 essencial integr\u00e1-la a um manejo bem planejado e a uma gest\u00e3o eficiente.<\/p>\n<p>No <strong><a href=\"https:\/\/rehagro.com.br\/cursos\/capacitacao-em-gestao-na-producao-de-cafe?utm_campaign=mkt-materiais-gc&amp;utm_source=textos&amp;utm_medium=blog\">Curso Gest\u00e3o na Produ\u00e7\u00e3o de Caf\u00e9 Ar\u00e1bica<\/a><\/strong>\u00a0do Rehagro, voc\u00ea aprende a alinhar pr\u00e1ticas de manejo de solo e nutri\u00e7\u00e3o com estrat\u00e9gias de gest\u00e3o que reduzem custos, aumentam a efici\u00eancia e fortalecem os resultados da produ\u00e7\u00e3o.<\/p>\n<p><a href=\"https:\/\/rehagro.com.br\/cursos\/capacitacao-em-gestao-na-producao-de-cafe?utm_campaign=mkt-materiais-gc&amp;utm_source=textos&amp;utm_medium=blog\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-24250 size-full\" title=\"Clique e saiba mais sobre o curso!\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc.jpg\" alt=\"Curso Gest\u00e3o na Produ\u00e7\u00e3o de Caf\u00e9 Ar\u00e1bica\" width=\"980\" height=\"317\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc.jpg 980w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc-300x97.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc-768x248.jpg 768w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc-370x120.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc-270x87.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc-740x239.jpg 740w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2023\/09\/banner-gc-150x49.jpg 150w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-18459 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2022\/12\/larissa-cocato.jpg\" alt=\"Larissa Cocato - Coordenadora de Ensino Caf\u00e9\" width=\"300\" height=\"96\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2022\/12\/larissa-cocato.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2022\/12\/larissa-cocato-270x86.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2022\/12\/larissa-cocato-150x48.jpg 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A mat\u00e9ria org\u00e2nica (MO) \u00e9 formada de organismos, res\u00edduos vegetais e res\u00edduos animais em decomposi\u00e7\u00e3o. Ela \u00e9 capaz de alterar as propriedades f\u00edsicas, qu\u00edmicas e biol\u00f3gicas do solo, dessa forma, podendo interferir no crescimento e desenvolvimento das plantas. Composto org\u00e2nico e casca de caf\u00e9. (Foto: Diego Baqui\u00e3o). &nbsp; Sem tempo para ler agora? Baixe este [&hellip;]<\/p>\n","protected":false},"author":21,"featured_media":20030,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[211],"tags":[282,266,459,255],"class_list":["post-8356","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cafe","tag-cafe","tag-cafeeiro","tag-materia-organica","tag-nutrientes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mat\u00e9ria org\u00e2nica no solo: o que \u00e9 e quais s\u00e3o os benef\u00edcios<\/title>\n<meta name=\"description\" content=\"A mat\u00e9ria org\u00e2nica \u00e9 formada de organismos, res\u00edduos vegetais e res\u00edduos animais em decomposi\u00e7\u00e3o. Saiba quais s\u00e3o os benef\u00edcios para o solo!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rehagro.com.br\/blog\/materia-organica-no-solo\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mat\u00e9ria org\u00e2nica no solo: o que \u00e9 e quais s\u00e3o os benef\u00edcios\" \/>\n<meta property=\"og:description\" content=\"A mat\u00e9ria org\u00e2nica \u00e9 formada de organismos, res\u00edduos vegetais e res\u00edduos animais em decomposi\u00e7\u00e3o. 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