{"id":7013,"date":"2020-02-27T15:00:27","date_gmt":"2020-02-27T18:00:27","guid":{"rendered":"https:\/\/rehagro.com.br\/blog\/?p=7013"},"modified":"2026-04-08T12:04:39","modified_gmt":"2026-04-08T15:04:39","slug":"fosfatagem-no-cafeeiro","status":"publish","type":"post","link":"https:\/\/rehagro.com.br\/blog\/fosfatagem-no-cafeeiro\/","title":{"rendered":"F\u00f3sforo no caf\u00e9: import\u00e2ncia de aplica\u00e7\u00e3o, sintomas de defici\u00eancia e recomenda\u00e7\u00e3o"},"content":{"rendered":"<p>O f\u00f3sforo \u00e9 componente da mol\u00e9cula de ATP (Adenosina Trifosfato). Ele atua no armazenamento e transfer\u00eancia de energia para as rea\u00e7\u00f5es bioqu\u00edmicas e tem um importante papel na fotoss\u00edntese e respira\u00e7\u00e3o de plantas. Al\u00e9m disso, o f\u00f3sforo \u00e9 componente dos fosfolip\u00eddeos.<\/p>\n<p><span style=\"font-weight: 400;\">Neste artigo, falaremos sobre a fosfatagem no cafeeiro.\u00a0\u00a0<\/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>\n  hbspt.forms.create({\n    region: \"na1\",\n    portalId: \"5430441\",\n    formId: \"7dcaf60d-0e23-40ed-8b40-9b8cb07b4128\"\n  });\n<\/script><\/p>\n<\/div>\n<h2>Absor\u00e7\u00e3o de f\u00f3sforo (P) no solo<\/h2>\n<p>A absor\u00e7\u00e3o de P \u00e9 feita por<strong> difus\u00e3o<\/strong>, caracterizada pelo movimento de \u00edons em dire\u00e7\u00e3o a raiz, em virtude do gradiente de concentra\u00e7\u00e3o gerado na superf\u00edcie radicular.<\/p>\n<p>O f\u00f3sforo pode ser absorvido pelas formas: <strong>HPO42- e H2PO4-<\/strong> sendo esta \u00faltima mais absorvida.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22446 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/fosforo-no-cafe-1.jpg\" alt=\"Tabela das formas em que o f\u00f3sforo \u00e9 mais predominante.\" width=\"662\" height=\"104\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/fosforo-no-cafe-1.jpg 662w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/fosforo-no-cafe-1-300x47.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/fosforo-no-cafe-1-370x58.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/fosforo-no-cafe-1-270x42.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/fosforo-no-cafe-1-150x24.jpg 150w\" sizes=\"auto, (max-width: 662px) 100vw, 662px\" \/><\/p>\n<p>Devido aos solos brasileiros serem altamente intemperizados (argila 1:1) e com elevados teores de \u00f3xidos de ferro e alum\u00ednio, ocorre elevada fixa\u00e7\u00e3o do f\u00f3sforo no solo, dessa forma, o solo tem papel de dreno de f\u00f3sforo, n\u00e3o deixando esse nutriente dispon\u00edvel para absor\u00e7\u00e3o pelas plantas.<\/p>\n<h2>Defici\u00eancia de f\u00f3sforo no cafeeiro<\/h2>\n<p><span style=\"font-weight: 400;\">Os sintomas de defici\u00eancia de f\u00f3sforo aparecem inicialmente em folhas velhas, devido \u00e0 mobilidade desse <strong><a href=\"https:\/\/rehagro.com.br\/blog\/nutrientes-para-o-cafeeiro\/\" target=\"_blank\" rel=\"noopener\">nutriente<\/a><\/strong>.<\/span><\/p>\n<p>\u00c9 caracterizado por folhas verdes e sem brilho, podem amarelecer e apresentar grandes manchas pardas ou viol\u00e1ceas na ponta e no meio.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22447 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/fosforo-no-cafe-2.jpg\" alt=\"Planta com a folha com defici\u00eancia de f\u00f3sforo\" width=\"370\" height=\"278\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/fosforo-no-cafe-2.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/fosforo-no-cafe-2-300x225.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/fosforo-no-cafe-2-270x203.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/fosforo-no-cafe-2-80x60.jpg 80w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/fosforo-no-cafe-2-150x113.jpg 150w\" sizes=\"auto, (max-width: 370px) 100vw, 370px\" \/><\/p>\n<p>A defici\u00eancia de f\u00f3sforo resulta em diminui\u00e7\u00e3o na produ\u00e7\u00e3o de ATP e NADPH, menor carboxila\u00e7\u00e3o e regenera\u00e7\u00e3o da RuBP, comprometendo assim a atividade fotossint\u00e9tica das plantas.<\/p>\n<p><a href=\"https:\/\/conteudo.rehagro.com.br\/guia-identificacao-de-deficiencia-nutricional-no-cafeeiro?utm_campaign=material-cafe&amp;utm_source=guia-deficiencia-nutricional&amp;utm_medium=blog\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-39677 size-full\" title=\"Clique e baixe o material gratuitamente!\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-guia-deficiencias-nutricionais-cafeeiro.png\" alt=\"Guia Defici\u00eancias nutricionais no cafeeiro\" width=\"980\" height=\"317\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-guia-deficiencias-nutricionais-cafeeiro.png 980w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-guia-deficiencias-nutricionais-cafeeiro-300x97.png 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-guia-deficiencias-nutricionais-cafeeiro-768x248.png 768w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-guia-deficiencias-nutricionais-cafeeiro-370x120.png 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-guia-deficiencias-nutricionais-cafeeiro-270x87.png 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-guia-deficiencias-nutricionais-cafeeiro-740x239.png 740w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-guia-deficiencias-nutricionais-cafeeiro-150x49.png 150w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/a><\/p>\n<h2>Recomenda\u00e7\u00e3o de aduba\u00e7\u00e3o com f\u00f3sforo<\/h2>\n<p><span style=\"font-weight: 400;\">Para recomenda\u00e7\u00e3o de aduba\u00e7\u00e3o com f\u00f3sforo em lavouras de caf\u00e9:<\/span><\/p>\n<ul>\n<li>Quando utilizado o <strong><a href=\"https:\/\/rehagro.com.br\/blog\/mehlich-1-e-resina\/\" target=\"_blank\" rel=\"noopener\">extrator Mehlich 1<\/a><\/strong> os t\u00e9cnicos trabalham com um intervalo entre o m\u00ednimo de f\u00f3sforo no solo sendo 15 mg\/dm3 e um ideal de 25 mg\/dm3.<\/li>\n<li>J\u00e1 se utilizado o extrator Resina tem-se trabalhado com teores acima de 30 ou 40 mg\/dm\u00b3 no solo.<\/li>\n<\/ul>\n<p>Para elevar o n\u00edvel de f\u00f3sforo no solo, calcula-se com base na tabela a seguir. Variando a quantidade de P2O5 com base no teor de argila e no extrator utilizado.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41815 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-valores-ct.png\" alt=\"Tabela com valores do fator CT (capacidade tamp\u00e3o de f\u00f3sforo) para estimar a dose do adubo fosfatado, em fun\u00e7\u00e3o do teor de argila no solo, para os m\u00e9todos de Mehlich 1 e resina. \" width=\"577\" height=\"263\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-valores-ct.png 577w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-valores-ct-300x137.png 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-valores-ct-370x169.png 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-valores-ct-270x123.png 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-valores-ct-150x68.png 150w\" sizes=\"auto, (max-width: 577px) 100vw, 577px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400; font-size: 10pt;\">Valores do fator CT (capacidade tamp\u00e3o de f\u00f3sforo) para estimar a dose do adubo fosfatado, em fun\u00e7\u00e3o do teor de argila no solo, para os m\u00e9todos de Mehlich 1 e resina. Fonte: Adaptado de Souza et al., 2007.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Dessa forma, se um solo possui 40% de argila, e for utilizado o extrator Mehlich 1 \u00e9 necess\u00e1rio utilizar 30 kg P<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">O<\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\">\/ha para elevar 1 mg\/dm<\/span><span style=\"font-weight: 400;\">3<\/span><span style=\"font-weight: 400;\"> de f\u00f3sforo.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">J\u00e1 se o extrator for resina, e o solo possuir o mesmo teor de argila de 40%, \u00e9 necess\u00e1rio utilizar 14 kg P<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">O<\/span><span style=\"font-weight: 400;\">5<\/span><span style=\"font-weight: 400;\">\/ha para elevar 1 mg\/dm<\/span><span style=\"font-weight: 400;\">3<\/span><span style=\"font-weight: 400;\"> de f\u00f3sforo.<\/span><\/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-28254 size-full\" title=\"Clique e saiba mais sobre o curso!\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1.jpg\" alt=\"Curso Gest\u00e3o na Produ\u00e7\u00e3o de Caf\u00e9 Ar\u00e1bica\" width=\"900\" height=\"250\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1.jpg 900w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1-300x83.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1-768x213.jpg 768w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1-370x103.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1-270x75.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1-740x206.jpg 740w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/07\/botao-gc-arabica-1-150x42.jpg 150w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/a><\/p>\n<h3>Exemplo 1: c\u00e1lculo de recomenda\u00e7\u00e3o de f\u00f3sforo, com extrator Mehlich 1<\/h3>\n<ul>\n<li><span style=\"font-size: 12pt;\"><span style=\"font-weight: 400;\">Teor de P no solo: 18 mg\/dm<\/span><span style=\"font-weight: 400;\">3<\/span><span style=\"font-weight: 400;\"> (extrator Mehlich 1)<\/span><\/span><\/li>\n<li><span style=\"font-weight: 400; font-size: 12pt;\">Teor de argila: 40%<\/span><\/li>\n<\/ul>\n<p>Quero atingir 25 mg\/dm3 no solo e tenho 18 mg\/ dm3:<\/p>\n<p style=\"text-align: center;\"><em>25 mg\/dm3 (quero atingir) \u2013 18 mg\/ dm3 (tenho no solo) = 7 mg\/ dm3 (preciso aumentar 7 mg\/ dm3 )<\/em>.<\/p>\n<p>De acordo com a tabela utilizando o extrator Mehlich 1 \u00e9 necess\u00e1rio utilizar 30 kg P2O5\/ha para elevar 1 mg\/dm3 de f\u00f3sforo, ent\u00e3o:<\/p>\n<p style=\"text-align: center;\"><em>Elevar 1 mg\/dm3 ______ 30 kg P2O5\/ha\u00a0<\/em><\/p>\n<p style=\"text-align: center;\"><em>Elevar 7 mg\/ dm3 ______\u00a0 \u00a0 X<\/em><\/p>\n<p style=\"text-align: center;\"><em>X= 210 kg P2O5\/ha <\/em><\/p>\n<p>Dessa forma, \u00e9 necess\u00e1rio 210 kg de P2O5\/ha<\/p>\n<p>Se a fonte utilizada for o Superfosfato simples, que cont\u00e9m 18% de P2O5 :<\/p>\n<p style=\"text-align: center;\"><em>100 kg de SS _____ 18 kg de P2O5<\/em><\/p>\n<p style=\"text-align: center;\"><em>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 X \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 _____ 210 kg de P2O5<\/em><\/p>\n<p style=\"text-align: center;\"><em>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong>X = 1.166,6 kg de superfosfato simples<\/strong><\/em><\/p>\n<p style=\"text-align: center;\"><strong><em>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 X= 1,16 toneladas<\/em><\/strong><\/p>\n<h3>Exemplo 2: c\u00e1lculo de recomenda\u00e7\u00e3o de f\u00f3sforo, com extrator resina<\/h3>\n<ul>\n<li><span style=\"font-size: 12pt;\">Teor de P no solo: 29 mg\/dm3 (extrator resina)<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Teor de argila: 40%<\/span><\/li>\n<\/ul>\n<p>Quero atingir 40 mg\/dm3 no solo e tenho 29 mg\/ dm3:<\/p>\n<p style=\"text-align: center;\"><em>40 mg\/dm3 (quero atingir) \u2013 29 mg\/ dm3 (tenho no solo) = 11 mg\/ dm3 (preciso aumentar 11 mg\/ dm3 ).\u00a0<\/em><\/p>\n<p>De acordo com a tabela utilizando o extrator Resina \u00e9 necess\u00e1rio utilizar 14 kg P2O5\/ha para elevar 1 mg\/dm3 de f\u00f3sforo, ent\u00e3o:<\/p>\n<p style=\"text-align: center;\"><em>Elevar 1 mg\/dm3 ______ 14 kg P2O5\/ha\u00a0<\/em><\/p>\n<p style=\"text-align: center;\"><em>Elevar 11 mg\/ dm3 ______\u00a0 \u00a0 X<\/em><\/p>\n<p style=\"text-align: center;\"><em>X= 154 kg P2O5\/ha<\/em><\/p>\n<p>Dessa forma, \u00e9 necess\u00e1rio 154 kg de P2O5\/ha<\/p>\n<p>Se a fonte utilizada for o MAP, que cont\u00e9m 48% de P2O5 :<\/p>\n<p style=\"text-align: center;\"><em>100 kg de MAP _____ 48 kg de P2O5<\/em><\/p>\n<p style=\"text-align: center;\"><em>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0X \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 _____ 154 kg de P2O5<\/em><\/p>\n<p style=\"text-align: center;\"><em>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <strong>X= 320,8 kg de MAP<\/strong><\/em><\/p>\n<p style=\"text-align: center;\"><strong><em>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 X =0,32 toneladas<\/em><\/strong><\/p>\n<h2>Fontes de f\u00f3sforo<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41816 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-fontes-fosforo.png\" alt=\"Tabela com as fontes de fertilizantes fosfatados\" width=\"511\" height=\"260\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-fontes-fosforo.png 511w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-fontes-fosforo-300x153.png 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-fontes-fosforo-370x188.png 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-fontes-fosforo-270x137.png 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-fontes-fosforo-150x76.png 150w\" sizes=\"auto, (max-width: 511px) 100vw, 511px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400; font-size: 10pt;\">Fontes de fertilizantes fosfatados que podem ser utilizados<\/span><\/p>\n<h3>Fatores que afetam a disponibilidade de f\u00f3sforo<\/h3>\n<ol>\n<li>Quantidade de argila;<\/li>\n<li>Teor de <a href=\"https:\/\/rehagro.com.br\/blog\/materia-organica-no-solo\/\" target=\"_blank\" rel=\"noopener\"><strong>mat\u00e9ria org\u00e2nica<\/strong>;<\/a><\/li>\n<li>pH;<\/li>\n<li>Teor de c\u00e1lcio;<\/li>\n<li>Ferro trivalente e alum\u00ednio.<\/li>\n<\/ol>\n<p>Estudos sugerem a rela\u00e7\u00e3o da mat\u00e9ria org\u00e2nica com a diminui\u00e7\u00e3o da adsor\u00e7\u00e3o de f\u00f3sforo no solo, devido \u00e0 libera\u00e7\u00e3o de \u00e1cidos que competem com os s\u00edtios de adsor\u00e7\u00e3o de P.<\/p>\n<p>Uma vez que, os \u00e1cidos possuem cargas negativas, que competem com os fosfatos, aumentando assim a disponibilidade de P para as plantas.<\/p>\n<h2>Extratores<\/h2>\n<h3>Mehlich 1<\/h3>\n<p>A diferen\u00e7a entre os extratores Mehlich 1 e Resina \u00e9 que o m\u00e9todo de Mehlich 1 (\u00e1cido clor\u00eddrico + \u00e1cido sulf\u00farico) <strong>utiliza um extrator fortemente \u00e1cido, dessa forma, esse m\u00e9todo pode extrair o f\u00f3sforo ligado ao c\u00e1lcio, que n\u00e3o est\u00e1 dispon\u00edvel para as plantas<\/strong>.<\/p>\n<p>Por isso, solos adubados com fosfatos de baixa solubilidade, como fosfatos naturais, e com a utiliza\u00e7\u00e3o desses extratores \u00e1cidos podem extrair quantidades de f\u00f3sforo superiores \u00e0quelas consideradas dispon\u00edveis.<\/p>\n<p>Al\u00e9m disso, em solos argilosos, esse mesmo extrator, pode subestimar os valores de P dispon\u00edveis, apresentando valores menores devido ao fato de os extratores serem mais desgastados nesses solos, quando comparados aos solos arenosos.<\/p>\n<h3>Resina<\/h3>\n<p>J\u00e1 o extrator Resina fundamenta-se na premissa de <strong>simular o comportamento do sistema radicular das plantas na absor\u00e7\u00e3o de f\u00f3sforo do solo<\/strong>.<\/p>\n<p>Esse processo gera a adsor\u00e7\u00e3o de P na solu\u00e7\u00e3o nas cargas positivas da resina e, como consequ\u00eancia, h\u00e1 a remo\u00e7\u00e3o do P adsorvido na superf\u00edcie das part\u00edculas do solo.<\/p>\n<p>Dessa forma, a resina n\u00e3o superestima a disponibilidade de P em solos tratados com fosfatos naturais, como ocorre com os extratores \u00e1cidos.<\/p>\n<h3>Estudo com extratores Mehlich 1 x Resina<\/h3>\n<p>Este trabalho mostra a efici\u00eancia do extrator resina.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41817 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-comparacao-metodos.png\" alt=\"Tabela com compara\u00e7\u00e3o de m\u00e9todos resina, olsen, mehlich 1 e bray 1 em 70 trabalhos \" width=\"800\" height=\"239\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-comparacao-metodos.png 800w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-comparacao-metodos-300x90.png 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-comparacao-metodos-768x229.png 768w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-comparacao-metodos-370x111.png 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-comparacao-metodos-270x81.png 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-comparacao-metodos-740x221.png 740w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-comparacao-metodos-150x45.png 150w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400; font-size: 10pt;\">Compara\u00e7\u00e3o de m\u00e9todos 70 trabalhos (Silva e Raij, 1999). Fonte: RAIJ<\/span><\/p>\n<p>Este trabalho mostra o comportamento dos extratores em 4 experimentos de calagem, sendo observado o extrator resina mais sens\u00edvel que o extrator mehlich 1, que n\u00e3o apresentou diferen\u00e7as estat\u00edsticas.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41818 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-experimento-calagem.png\" alt=\"Tabela do f\u00f3sforo no solo em experimento de calagem com soja.\" width=\"737\" height=\"246\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-experimento-calagem.png 737w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-experimento-calagem-300x100.png 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-experimento-calagem-370x124.png 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-experimento-calagem-270x90.png 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/tabela-experimento-calagem-150x50.png 150w\" sizes=\"auto, (max-width: 737px) 100vw, 737px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400; font-size: 10pt;\">P no solo em experimento de calagem \u2013 com soja \u2013 Ribeir\u00e3o Preto SP. Fonte: RAIJ<\/span><\/p>\n<h2>\u00c9poca de aplica\u00e7\u00e3o de f\u00f3sforo<\/h2>\n<p>A aplica\u00e7\u00e3o do adubo fosfatado \u00e9 realizada normalmente nos meses de outubro e novembro. No entanto, quando necess\u00e1ria a pr\u00e1tica da <strong>calagem nos solos<\/strong>, deve-se ficar atento com a aplica\u00e7\u00e3o desse fertilizante.<\/p>\n<p>Por isso, quando poss\u00edvel \u00e9 recomendada antecipadamente <strong><a href=\"https:\/\/rehagro.com.br\/blog\/saiba-quando-usar-calcario\/\" target=\"_blank\" rel=\"noopener\">a aplica\u00e7\u00e3o de calc\u00e1rio<\/a><\/strong> nos meses de abril\/maio, para que no in\u00edcio da safra, setembro e outubro, possa ser aplicado sem problemas.<\/p>\n<h3>F\u00f3sforo no plantio<\/h3>\n<p>Deve-se aproveitar o per\u00edodo de plantio para aplica\u00e7\u00e3o do f\u00f3sforo no sulco, isso porque esse nutriente apresenta grande intera\u00e7\u00e3o com o solo, dessa forma, <strong>nessa fase \u00e9 importante sua coloca\u00e7\u00e3o pr\u00f3xima \u00e0s ra\u00edzes do cafeeiro<\/strong>, pois por ser uma cultura perene, dificilmente ter\u00e1 outra oportunidade de coloc\u00e1-lo neste local.<\/p>\n<p>Para essa aplica\u00e7\u00e3o, \u00e9 importante ter o cuidado somente com a aplica\u00e7\u00e3o do adubo fosfatado com o calc\u00e1rio, devido a sua complexa\u00e7\u00e3o acarretar indisponibilidade das plantas.<\/p>\n<h2>Transforme o manejo nutricional em mais produtividade e lucro<\/h2>\n<p>O f\u00f3sforo \u00e9 essencial para o bom desenvolvimento do cafeeiro e a sua falta pode comprometer seriamente o desempenho da lavoura. Garantir a aduba\u00e7\u00e3o correta exige conhecimento t\u00e9cnico e decis\u00f5es bem fundamentadas para evitar perdas e alcan\u00e7ar mais efici\u00eancia.<\/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> do Rehagro, voc\u00ea aprende a interpretar melhor as necessidades da lavoura, planejar a nutri\u00e7\u00e3o de forma estrat\u00e9gica e aplicar t\u00e9cnicas de gest\u00e3o que aumentam a qualidade e a rentabilidade do caf\u00e9.<\/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>O f\u00f3sforo \u00e9 componente da mol\u00e9cula de ATP (Adenosina Trifosfato). Ele atua no armazenamento e transfer\u00eancia de energia para as rea\u00e7\u00f5es bioqu\u00edmicas e tem um importante papel na fotoss\u00edntese e respira\u00e7\u00e3o de plantas. Al\u00e9m disso, o f\u00f3sforo \u00e9 componente dos fosfolip\u00eddeos. Neste artigo, falaremos sobre a fosfatagem no cafeeiro.\u00a0\u00a0 &nbsp; Sem tempo para ler agora? [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":20680,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[211],"tags":[340,282,266,673,713],"class_list":["post-7013","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cafe","tag-agricultura","tag-cafe","tag-cafeeiro","tag-cafeicultura","tag-cultura-do-cafe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>F\u00f3sforo no caf\u00e9: import\u00e2ncia, sintomas de defici\u00eancia e recomenda\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"O f\u00f3sforo atua no armazenamento e transfer\u00eancia de energia para as rea\u00e7\u00f5es bioqu\u00edmicas. 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