{"id":6965,"date":"2020-02-06T12:00:21","date_gmt":"2020-02-06T14:00:21","guid":{"rendered":"https:\/\/rehagro.com.br\/blog\/?p=6965"},"modified":"2026-04-07T19:41:38","modified_gmt":"2026-04-07T22:41:38","slug":"adubacoes-via-ureia","status":"publish","type":"post","link":"https:\/\/rehagro.com.br\/blog\/adubacoes-via-ureia\/","title":{"rendered":"Aduba\u00e7\u00e3o com ureia: como aplicar de maneira eficaz?"},"content":{"rendered":"<p>A ureia se destaca como <strong>um dos fertilizantes nitrogenados mais utilizados<\/strong>, no entanto, a aplica\u00e7\u00e3o no solo sem os devidos cuidados pode promover altas perdas por volatiliza\u00e7\u00e3o, na cultura do caf\u00e9 essa perda pode chegar at\u00e9 30%.<\/p>\n<p>Isso ocorre devido \u00e0 forma\u00e7\u00e3o do g\u00e1s am\u00f4nia (NH3), que \u00e9 vol\u00e1til, sendo uma das etapas intermedi\u00e1rias da hidr\u00f3lise da ureia no solo.<\/p>\n<p>A ureia \u00e9 um fertilizante nitrogenado am\u00eddico (NH2)2, por\u00e9m as plantas absorvem o nitrog\u00eanio na forma n\u00edtrica (NO3-) e amoniacal (NH4+), assim, <strong>o nitrog\u00eanio sofre transforma\u00e7\u00f5es no solo para ficar dispon\u00edvel para as plantas<\/strong>.<\/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\/v2.js\"><\/script><br \/>\n<script>\n  hbspt.forms.create({\n    region: \"na1\",\n    portalId: \"5430441\",\n    formId: \"7dcaf60d-0e23-40ed-8b40-9b8cb07b4128\",\n    version: \"V2_PRERELEASE\"\n  });\n<\/script><\/p>\n<\/div>\n<h2>Rea\u00e7\u00f5es da ureia<\/h2>\n<p>Na rea\u00e7\u00e3o 1, a ureia (CO(NH2)2) \u00e9 solubilizada pela \u00e1gua e por meio da ureia forma-se <strong>Carbonato de Am\u00f4nio<\/strong> ((NH4)2 CO3), e na sequ\u00eancia forma <strong>Am\u00f4nia<\/strong> (NH3), que \u00e9 um composto altamente vol\u00e1til.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-21746 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-1.jpg\" alt=\"Rea\u00e7\u00e3o da ureia formando am\u00f4nia\" width=\"667\" height=\"201\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-1.jpg 667w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-1-300x90.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-1-370x111.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-1-270x81.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-1-150x45.jpg 150w\" sizes=\"auto, (max-width: 667px) 100vw, 667px\" \/><\/p>\n<p>Na rea\u00e7\u00e3o 2, que \u00e9 uma <strong>rea\u00e7\u00e3o revers\u00edvel<\/strong>, ou seja, ela n\u00e3o \u00e9 est\u00e1vel, a Am\u00f4nia (NH3) junta-se \u00e0 \u00e1gua e forma-se Am\u00f4nio (NH4+).<\/p>\n<p>Esta rea\u00e7\u00e3o \u00e9 regida pelo pH do solo se tiver condi\u00e7\u00e3o de pH abaixo de 6,0 em \u00e1gua, forma-se Am\u00f4nio (NH4+), que \u00e9 a forma que as plantas absorvem, se tiver com pH acima de 8, forma-se Am\u00f4nia (NH3) e fica sujeita a volatiliza\u00e7\u00e3o.<\/p>\n<p>O fertilizante Sulfato de Am\u00f4nia, tem pouca perda por volatiliza\u00e7\u00e3o, porque o Sulfato (SO4) promove redu\u00e7\u00e3o do pH ao redor do gr\u00e2nulo do fertilizante, favorecendo a forma\u00e7\u00e3o de Am\u00f4nio (NH4+).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-21747 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-2.jpg\" alt=\"Rea\u00e7\u00e3o da ureia formando am\u00f4nio\" width=\"421\" height=\"246\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-2.jpg 421w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-2-300x175.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-2-370x216.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-2-270x158.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-2-150x88.jpg 150w\" sizes=\"auto, (max-width: 421px) 100vw, 421px\" \/><\/p>\n<p>Ap\u00f3s a forma\u00e7\u00e3o do Am\u00f4nio (NH4+) se tivermos algumas condi\u00e7\u00f5es como boa disponibilidade de oxig\u00eanio, que beneficia bact\u00e9rias <i>Nitrosomonas<\/i> e <i>Nitrobacter<\/i>, o Am\u00f4nio (NH4+) poder\u00e1 se transformar em Nitrato (NO3-), sendo esta uma <strong>rea\u00e7\u00e3o irrevers\u00edvel<\/strong>, ficando assim, sem risco de perda por volatiliza\u00e7\u00e3o.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-21748 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-3.jpg\" alt=\"Rea\u00e7\u00e3o da ureia se transformando em nitrato\" width=\"582\" height=\"236\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-3.jpg 582w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-3-300x122.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-3-370x150.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-3-270x109.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-3-150x61.jpg 150w\" sizes=\"auto, (max-width: 582px) 100vw, 582px\" \/><\/p>\n<p><a href=\"https:\/\/conteudo.rehagro.com.br\/ebook-calagem-na-cultura-do-cafe?utm_campaign=material-cafe&amp;utm_source=ebook-calagem&amp;utm_medium=blog\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-39672 size-full\" title=\"Clique e baixe o e-book gr\u00e1tis!\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-calagem-cafe.png\" alt=\"E-book Calagem no caf\u00e9\" width=\"980\" height=\"317\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-calagem-cafe.png 980w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-calagem-cafe-300x97.png 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-calagem-cafe-768x248.png 768w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-calagem-cafe-370x120.png 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-calagem-cafe-270x87.png 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-calagem-cafe-740x239.png 740w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2025\/09\/banner-ebook-calagem-cafe-150x49.png 150w\" sizes=\"auto, (max-width: 980px) 100vw, 980px\" \/><\/a><\/p>\n<h2>Fatores que melhoram a efici\u00eancia das aduba\u00e7\u00f5es nitrogenadas via ureia<\/h2>\n<h3>Umidade no solo<\/h3>\n<p>Em solos \u00famidos, ocorre maior volatiliza\u00e7\u00e3o da ureia, isso porque com a umidade no solo, h\u00e1 um aumento da difus\u00e3o de ureia, dessa forma, acarreta maior contato com a urease no solo.<\/p>\n<p>Assim, <strong>a condi\u00e7\u00e3o ideal para aplica\u00e7\u00e3o da ureia seria solo seco<\/strong> com boa previs\u00e3o de chuvas nas pr\u00f3ximas horas.<\/p>\n<h3>Urease<\/h3>\n<p><span style=\"font-size: 16px;\">A urease \u00e9 uma enzima produzida por bact\u00e9rias, fungos de solo, ou mesmo originada de restos vegetais, essa enzima \u00e9 respons\u00e1vel pela hidr\u00f3lise da ureia (CO(NH2)2), acarretando assim em volatiliza\u00e7\u00e3o de am\u00f4nia. <\/span><\/p>\n<p><span style=\"font-size: 16px;\">Portanto, em condi\u00e7\u00f5es de muita mat\u00e9ria org\u00e2nica, como <strong><a href=\"https:\/\/rehagro.com.br\/blog\/braquiaria-na-entrelinha-do-cafeeiro\/\" target=\"_blank\" rel=\"noopener\">lavouras manejadas com braqui\u00e1ria<\/a><\/strong> ou lavouras com materiais vegetais oriundos de podas, \u00e9 desej\u00e1vel utiliza\u00e7\u00e3o de outra fonte de nitrogenado ou ureia com inibidores de urease.<\/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>pH alcalino<\/h3>\n<p>A aplica\u00e7\u00e3o de ureia em solos com condi\u00e7\u00f5es de pH acima de 8, ir\u00e1 favorecer para que fique na forma de Am\u00f4nia (NH3) que \u00e9 a forma onde ocorre a volatiliza\u00e7\u00e3o.<\/p>\n<h3>Compacta\u00e7\u00e3o de solo<\/h3>\n<p><strong><a href=\"https:\/\/rehagro.com.br\/blog\/compactacao-do-solo\/\" target=\"_blank\" rel=\"noopener\">Solos compactados<\/a><\/strong> ter\u00e3o menor disponibilidade de oxig\u00eanio, assim, nesta situa\u00e7\u00e3o ter\u00e1 menor disponibilidade de bact\u00e9rias aer\u00f3bicas <i>Nitrobacter <\/i>e <i>Nitrosomonas<\/i>, que transformam o Am\u00f4nio (NH4+) em Nitrato (NO3-), assim, devemos sempre estar atentos a compacta\u00e7\u00e3o do solo.<\/p>\n<p>Nesta imagem podemos ver uma lavoura com boa disponibilidade de palhada, que poder\u00e1 favorecer a Urease.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-21749 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-4.jpg\" alt=\"Lavoura de caf\u00e9 com boa disponibilidade de palhada\" width=\"600\" height=\"291\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-4.jpg 600w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-4-300x146.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-4-370x179.jpg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-4-270x131.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-4-150x73.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<h2>Como saber se a efici\u00eancia de sua aduba\u00e7\u00e3o nitrogenada est\u00e1 boa?<\/h2>\n<p>O indicador que utilizamos em nossos clientes de consultoria para verificar a efici\u00eancia, \u00e9 <a href=\"https:\/\/rehagro.com.br\/blog\/nitrogenio-na-cultura-do-cafe\/\" target=\"_blank\" rel=\"noopener\"><strong>quantos quilos de nitrog\u00eanio tenho gasto por saca de caf\u00e9 produzida<\/strong><\/a>. Para chegar a este n\u00famero deve-se dividir o total de nitrog\u00eanio gasto por safra pelo total de sacas de caf\u00e9 produzida.<\/p>\n<p>\u00c9 importante avaliar este indicador por bi\u00eanios, pois avaliando em um ano somente poder\u00e1 ser mascarado pela bienalidade da produ\u00e7\u00e3o.<\/p>\n<p>O <em>benchmarking<\/em> para este indicador \u00e9 a <strong>faixa de 6 a 8 kg de N\/sc<\/strong>.<\/p>\n<ul>\n<li>Se estiver abaixo de 6,0 kg de N\/sc \u00f3timo, mas cuidado;<\/li>\n<li>8 a 9,0 kg de N\/sc h\u00e1 margem para melhora;<\/li>\n<li>Acima de 9,0 kg de N\/sc h\u00e1 muita margem para melhora.<\/li>\n<\/ul>\n<p>Na figura a seguir temos o resultado em kg de N\/ano, sc\/ha e kg de N\/sc em seis safras.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-21751 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-6.jpeg\" alt=\"Quantidade de nitrog\u00eanio utilizado em seis safras de caf\u00e9\" width=\"599\" height=\"343\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-6.jpeg 599w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-6-300x172.jpeg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-6-370x212.jpeg 370w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-6-270x155.jpeg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/adubacao-ureia-6-150x86.jpeg 150w\" sizes=\"auto, (max-width: 599px) 100vw, 599px\" \/><\/p>\n<h2>Aprimore sua gest\u00e3o e maximize os resultados da sua lavoura de caf\u00e9<\/h2>\n<p>A aduba\u00e7\u00e3o correta com ureia \u00e9 apenas uma das muitas decis\u00f5es que impactam diretamente a produtividade e a rentabilidade do cafezal. Para ir al\u00e9m das pr\u00e1ticas pontuais e conquistar resultados consistentes, \u00e9 essencial dominar t\u00e9cnicas de manejo e gest\u00e3o que integrem efici\u00eancia no uso de insumos, redu\u00e7\u00e3o de custos e aumento da qualidade do caf\u00e9 produzido.<\/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 encontra um conte\u00fado pr\u00e1tico, atualizado e totalmente aplicado \u00e0 realidade do campo. Aprenda a tomar decis\u00f5es mais seguras, organizar a produ\u00e7\u00e3o de forma estrat\u00e9gica e transformar a forma como conduz a fazenda.<\/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<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-28031 size-full\" src=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/luiz-paulo-vilela-1.jpg\" alt=\"Luiz Paulo Vilela\" width=\"300\" height=\"96\" srcset=\"https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/luiz-paulo-vilela-1.jpg 300w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/luiz-paulo-vilela-1-270x86.jpg 270w, https:\/\/rehagro.com.br\/blog\/wp-content\/uploads\/2020\/02\/luiz-paulo-vilela-1-150x48.jpg 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A ureia se destaca como um dos fertilizantes nitrogenados mais utilizados, no entanto, a aplica\u00e7\u00e3o no solo sem os devidos cuidados pode promover altas perdas por volatiliza\u00e7\u00e3o, na cultura do caf\u00e9 essa perda pode chegar at\u00e9 30%. Isso ocorre devido \u00e0 forma\u00e7\u00e3o do g\u00e1s am\u00f4nia (NH3), que \u00e9 vol\u00e1til, sendo uma das etapas intermedi\u00e1rias da [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":20898,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[211],"tags":[248,282,673],"class_list":["post-6965","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cafe","tag-adubacao","tag-cafe","tag-cafeicultura"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Aduba\u00e7\u00e3o com ureia: como utilizar corretamente esse fertilizante?<\/title>\n<meta name=\"description\" content=\"Aumente a efici\u00eancia da sua produ\u00e7\u00e3o de caf\u00e9 com a aduba\u00e7\u00e3o correta. 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