{"id":6820,"date":"2020-01-16T16:00:22","date_gmt":"2020-01-16T18:00:22","guid":{"rendered":"https:\/\/rehagro.com.br\/blog\/?p=6820"},"modified":"2026-04-08T15:30:22","modified_gmt":"2026-04-08T18:30:22","slug":"potassio-na-cultura-do-cafe","status":"publish","type":"post","link":"https:\/\/rehagro.com.br\/blog\/potassio-na-cultura-do-cafe\/","title":{"rendered":"Pot\u00e1ssio no caf\u00e9: import\u00e2ncia de aplica\u00e7\u00e3o, sintomas de defici\u00eancia e recomenda\u00e7\u00e3o"},"content":{"rendered":"<p>O pot\u00e1ssio \u00e9 o <strong>segundo nutriente mais exigido pelas plantas<\/strong>, perdendo apenas para o nitrog\u00eanio (N).<\/p>\n<p>A forma absorvida pelas ra\u00edzes das plantas \u00e9 K+. Concentra\u00e7\u00f5es elevadas de Ca+2 e Mg+2 reduzem a absor\u00e7\u00e3o do pot\u00e1ssio por inibi\u00e7\u00e3o competitiva.<\/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>Import\u00e2ncia do pot\u00e1ssio no caf\u00e9<\/h2>\n<p>O nutriente \u00e9 importante para:<\/p>\n<ul>\n<li><strong>Ativa\u00e7\u00e3o enzim\u00e1tica<\/strong> (muitas enzimas s\u00e3o dependentes do K para a sua atividade normal, atuando assim em processos de respira\u00e7\u00e3o, metabolismo de carboidratos, s\u00edntese de prote\u00ednas, entre outros;<\/li>\n<li><strong>Regula\u00e7\u00e3o osm\u00f3tica<\/strong> (Abertura e fechamento dos est\u00f4matos);<\/li>\n<li><strong>Enchimento dos gr\u00e3os<\/strong> (o pot\u00e1ssio auxilia no transporte e armazenamento de carboidrato).<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22594 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-1.jpg\" alt=\"Cafeeiro bem nutrido\" width=\"370\" height=\"493\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-1.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-1-225x300.jpg 225w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-1-270x360.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-1-150x200.jpg 150w\" sizes=\"auto, (max-width: 370px) 100vw, 370px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">Foto: Larissa Cocato<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22595 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-2.jpg\" alt=\"Frutos de caf\u00e9 bem nutridos\" width=\"388\" height=\"190\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-2.jpg 388w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-2-300x147.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-2-370x181.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-2-385x190.jpg 385w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-2-270x132.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-2-150x73.jpg 150w\" sizes=\"auto, (max-width: 388px) 100vw, 388px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">Foto: Larissa Cocato<\/span><\/p>\n<p>&nbsp;<\/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>Defici\u00eancia de pot\u00e1ssio no caf\u00e9<\/h2>\n<p>Devido \u00e0 mobilidade do pot\u00e1ssio nos tecidos, em condi\u00e7\u00f5es de baixo suprimento de pot\u00e1ssio no meio, esse nutriente \u00e9 redistribu\u00eddo das folhas mais velhas para as mais novas.<\/p>\n<p>Dessa forma, os sintomas de defici\u00eancia de pot\u00e1ssio ocorrem primeiramente nas folhas mais velhas, com uma clorose, seguida de necrose nas pontas e margens das folhas.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22596\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-3.jpg\" alt=\"Sintomas de defici\u00eancia de pot\u00e1ssio na cultura do caf\u00e9\" width=\"600\" height=\"449\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-3.jpg 740w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-3-300x225.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-3-370x277.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-3-270x202.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-3-80x60.jpg 80w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-3-150x112.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">Fonte: Daniel Veiga<\/span><\/p>\n<h2>Recomenda\u00e7\u00e3o de pot\u00e1ssio no caf\u00e9<\/h2>\n<p>A recomenda\u00e7\u00e3o deve ser feita com base no <strong><a href=\"https:\/\/rehagro.com.br\/blog\/interpretacao-de-uma-analise-de-solo\/\" target=\"_blank\" rel=\"noopener\">teor de pot\u00e1ssio no solo<\/a><\/strong> e a expectativa para produ\u00e7\u00e3o e vegeta\u00e7\u00e3o.<\/p>\n<p>Para a cultura do caf\u00e9, trabalhamos com cerca de 120 mg\/dm3 de pot\u00e1ssio no solo ou de 0,30 a 0,35 cmolc\/dm3\u00a0 no solo. Para calcular a dose recomendada para a cultura considerando a vegeta\u00e7\u00e3o e produ\u00e7\u00e3o, utilizamos a seguinte f\u00f3rmula:<\/p>\n<p style=\"text-align: center;\"><em>K (kg\/ha) = (produ\u00e7\u00e3o x 3) + (vegeta\u00e7\u00e3o x 2,9)<\/em><\/p>\n<p>Para o c\u00e1lculo de aduba\u00e7\u00e3o consideramos:<\/p>\n<p style=\"text-align: center;\"><em>Aduba\u00e7\u00e3o = N\u00edvel de seguran\u00e7a solo + Aduba\u00e7\u00e3o para produ\u00e7\u00e3o e vegeta\u00e7\u00e3o<\/em><\/p>\n<h3>C\u00e1lculo para recomenda\u00e7\u00e3o &#8211; Exemplo 1:<\/h3>\n<ul>\n<li>Teor de pot\u00e1ssio no solo 90 mg\/dm3<\/li>\n<li>Produ\u00e7\u00e3o esperada de 40 sacas\/ha naquele ano agr\u00edcola e na safra seguinte de 25 sacas\/ha.<\/li>\n<\/ul>\n<p>120 mg\/dm3 (quero atingir) \u2013 90 mg\/dm3 (tenho no solo) = 30 mg\/dm3 (preciso aumentar no meu solo para manter o n\u00edvel de seguran\u00e7a)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7238 aligncenter\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/Capturar-16.png\" alt=\"\" width=\"281\" height=\"152\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/Capturar-16.png 281w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/Capturar-16-270x146.png 270w\" sizes=\"auto, (max-width: 281px) 100vw, 281px\" \/><\/p>\n<p>Para aumentar 1 cmolc\/dm3 \u00e9 necess\u00e1rio 942 Kg de K2O por hectare:<\/p>\n<p style=\"text-align: center;\"><em>1 cmolc\/dm3 de K ______ 942 Kg de K2O\/ha<\/em><\/p>\n<p style=\"text-align: center;\"><em>0,07 cmolc\/dm3\u00a0\u00a0\u00a0 ______\u00a0\u00a0\u00a0\u00a0 X<\/em><\/p>\n<p style=\"text-align: center;\"><em>X = <b>65,9 Kg de K<\/b><b>2<\/b><b>O\/ha<\/b><\/em><\/p>\n<p>C\u00e1lculo para extra\u00e7\u00e3o:<\/p>\n<p style=\"text-align: center;\"><em>K (kg\/ha) = (produ\u00e7\u00e3o x 3) + (vegeta\u00e7\u00e3o x 2,9)<\/em><\/p>\n<p style=\"text-align: center;\"><em>K (kg\/ha) = (40 sc x 3) + (25 sc x 2,9) = 120 + 72,5 = 192,5 kg de K2O por hectare<\/em><\/p>\n<p style=\"text-align: center;\"><em><b>ADUBA\u00c7\u00c3O = 65,9 Kg de K<\/b><b>2<\/b><b>O\/ha + 192,5 kg de K<\/b><b>2<\/b><b>O\/ha = 258,4 kg de K<\/b><b>2<\/b><b>O\/ha<\/b><\/em><\/p>\n<p>Dessa forma, para a recomenda\u00e7\u00e3o de aduba\u00e7\u00e3o considerando esse solo que possui 90 mg\/dm3 e uma produ\u00e7\u00e3o esperada de 40 sacas\/ha naquele ano agr\u00edcola e na safra seguinte de 25 sacas\/ha, \u00e9 calculado <b>258,4 kg de K<\/b><b>2<\/b><b>O\/ha.<\/b><\/p>\n<h3>C\u00e1lculo para recomenda\u00e7\u00e3o &#8211; Exemplo 2:<\/h3>\n<p>Se considerar a mesma produ\u00e7\u00e3o esperada do exemplo anterior: produ\u00e7\u00e3o esperada de 40 sacas\/ha naquele ano agr\u00edcola e na safra seguinte de 25 sacas\/ha. Mas considerar um teor de pot\u00e1ssio no solo de 153 mg\/dm3<\/p>\n<p>Para esse exemplo, como o teor de pot\u00e1ssio no solo est\u00e1 acima do n\u00edvel de seguran\u00e7a, calculamos a quantidade recomendada para produ\u00e7\u00e3o e vegeta\u00e7\u00e3o e descontamos esses 30 mg\/dm3 que est\u00e3o a mais 153 mg\/dm3 \u2013 120 mg\/dm3 = 33 mg\/dm3<\/p>\n<p>C\u00e1lculo para extra\u00e7\u00e3o:<\/p>\n<p style=\"text-align: center;\"><em>K (kg\/ha) = (produ\u00e7\u00e3o x 3) + (vegeta\u00e7\u00e3o x 2,9)<\/em><\/p>\n<p style=\"text-align: center;\"><em>K (kg\/ha) = (40 sc x 3) + (25 sc x 2,9) = 120 + 72,5 = 192,5 kg de K2O por hectare<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7239 aligncenter\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/Capturar-17.png\" alt=\"\" width=\"316\" height=\"148\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/Capturar-17.png 316w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/Capturar-17-300x141.png 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/Capturar-17-270x126.png 270w\" sizes=\"auto, (max-width: 316px) 100vw, 316px\" \/><\/p>\n<p>*Para aumentar 1 cmolc\/dm3 \u00e9 necess\u00e1rio 942 Kg de K2O por hectare:<\/p>\n<p style=\"text-align: center;\"><em>1 cmolc\/dm3 de K ______ 942 Kg de K2O\/ha<\/em><\/p>\n<p style=\"text-align: center;\"><em>0,08 cmolc\/dm3\u00a0\u00a0\u00a0 ______\u00a0\u00a0\u00a0\u00a0 X<\/em><\/p>\n<p style=\"text-align: center;\"><em>X = <b>75,4 Kg de K<\/b><b>2<\/b><b>O\/ha<\/b><\/em><\/p>\n<p style=\"text-align: center;\"><em><b>ADUBA\u00c7\u00c3O = 192,5 kg de K<\/b><b>2<\/b><b>O por hectare(para produ\u00e7\u00e3o e vegeta\u00e7\u00e3o) &#8211; 75,4 Kg de K<\/b><b>2<\/b><b>O\/ha (reserva do solo) = 117,1 Kg de K<\/b><b>2<\/b><b>O\/ha.<\/b><\/em><\/p>\n<p>Neste exemplo, devido ao maior teor de pot\u00e1ssio presente no solo, descontamos o que est\u00e1 passando do nosso n\u00edvel de seguran\u00e7a, e a recomenda\u00e7\u00e3o \u00e9 de 117,1 Kg de K2O\/ha.<\/p>\n<h2>Fontes de pot\u00e1ssio<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22597 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-4.jpg\" alt=\"Tabela com fontes de pot\u00e1ssio\" width=\"423\" height=\"168\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-4.jpg 423w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-4-300x119.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-4-370x147.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-4-270x107.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-4-150x60.jpg 150w\" sizes=\"auto, (max-width: 423px) 100vw, 423px\" \/><\/p>\n<p>Das fontes citadas acima a mais utilizada \u00e9 o cloreto de pot\u00e1ssio devido ao seu menor custo quando comparado \u00e0s outras fontes.<\/p>\n<h2>Import\u00e2ncia do equil\u00edbrio nutricional no solo<\/h2>\n<p>Deve-se ter no solo <strong>uma boa rela\u00e7\u00e3o Ca:Mg:K sendo de 9:3:1 ou 25:5:1,<\/strong> a fim de que n\u00e3o haja problemas na absor\u00e7\u00e3o de nenhum desses nutrientes, considerando a import\u00e2ncia de cada um deles no metabolismo das plantas.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22598 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-5.jpg\" alt=\"Florada do caf\u00e9\" width=\"270\" height=\"377\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-5.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-5-215x300.jpg 215w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/01\/potassio-no-cafe-5-150x209.jpg 150w\" sizes=\"auto, (max-width: 270px) 100vw, 270px\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\">Fonte: Larissa Cocato<\/span><\/p>\n<p>Por isso, apesar de tentarmos sempre trabalhar com cerca 0,30 a 0,35 cmolc\/dm3\u00a0 no solo, \u00e9 importante levar em considera\u00e7\u00e3o os n\u00edveis de c\u00e1lcio e magn\u00e9sio do solo e priorizar o equil\u00edbrio nesses nutrientes:<\/p>\n<p>Ex: Em um solo que possui 2,0 cmolc\/dm3 de c\u00e1lcio e 0,5 cmolc\/dm3 de magn\u00e9sio, deve-se buscar trabalhar com cerca de 0,20 &#8211; 0,25 cmolc\/dm3\u00a0 de pot\u00e1ssio, a fim de respeitar esse equil\u00edbrio entre eles.<\/p>\n<p><strong>Um ponto de aten\u00e7\u00e3o quando se refere a aduba\u00e7\u00e3o na cafeicultura \u00e9 a utiliza\u00e7\u00e3o intensiva do fertilizante formulado 20-00-20<\/strong> (que cont\u00e9m: 20% de nitrog\u00eanio e 20% de pot\u00e1ssio).<\/p>\n<p>Isso porque, seu grande uso acarreta altos n\u00edveis de pot\u00e1ssio em algumas \u00e1reas, dessa forma, podendo proporcionar inibi\u00e7\u00e3o competitiva na absor\u00e7\u00e3o de c\u00e1lcio e magn\u00e9sio, nutrientes esses importantes na constitui\u00e7\u00e3o da parede celular e na composi\u00e7\u00e3o da mol\u00e9cula de clorofila.<\/p>\n<p>Desta forma, deve-se atentar para o equil\u00edbrio desses nutrientes ao solo, evitando preju\u00edzo ao metabolismo da planta.<\/p>\n<h3>Parcelamento da aduba\u00e7\u00e3o com pot\u00e1ssio<\/h3>\n<p>Para a aduba\u00e7\u00e3o com pot\u00e1ssio, recomenda-se o parcelamento em pelo menos 3 vezes, podendo ser nos meses, novembro, dezembro e mar\u00e7o, ou podendo variar de acordo com as condi\u00e7\u00f5es de chuva.<\/p>\n<p>Em solos arenosos, com baixa <strong><a href=\"https:\/\/rehagro.com.br\/blog\/ctc-do-solo-entenda-o-que-e-e-como-interpreta-la\/\" target=\"_blank\" rel=\"noopener\">CTC<\/a><\/strong>, com chuvas intensas podem acarretar lixivia\u00e7\u00e3o desse nutriente, por isso, ressalta-se a import\u00e2ncia de se parcelar essa aduba\u00e7\u00e3o.<\/p>\n<h2>Torne o manejo nutricional mais eficiente e lucrativo<\/h2>\n<p>O pot\u00e1ssio \u00e9 um nutriente fundamental para o cafeeiro, respons\u00e1vel por fun\u00e7\u00f5es vitais que impactam diretamente na produtividade e na qualidade dos gr\u00e3os. Por\u00e9m, para que sua aplica\u00e7\u00e3o traga resultados consistentes, \u00e9 preciso integrar conhecimento t\u00e9cnico e gest\u00e3o eficiente da lavoura.<\/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 nutricionais, planejar estrat\u00e9gias de aduba\u00e7\u00e3o, reduzir custos e conduzir sua lavoura com foco em produtividade e rentabilidade.<\/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 pot\u00e1ssio \u00e9 o segundo nutriente mais exigido pelas plantas, perdendo apenas para o nitrog\u00eanio (N). A forma absorvida pelas ra\u00edzes das plantas \u00e9 K+. Concentra\u00e7\u00f5es elevadas de Ca+2 e Mg+2 reduzem a absor\u00e7\u00e3o do pot\u00e1ssio por inibi\u00e7\u00e3o competitiva. &nbsp; Sem tempo para ler agora? Baixe este artigo em PDF! Import\u00e2ncia do pot\u00e1ssio no caf\u00e9 [&hellip;]<\/p>\n","protected":false},"author":21,"featured_media":20559,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[211],"tags":[282,266],"class_list":["post-6820","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cafe","tag-cafe","tag-cafeeiro"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pot\u00e1ssio no caf\u00e9: import\u00e2ncia, sintomas de defici\u00eancia e recomenda\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"O pot\u00e1ssio \u00e9 o segundo nutriente mais exigido pelas plantas, atr\u00e1s somente do nitrog\u00eanio. 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