{"id":29,"date":"2021-02-09T07:44:17","date_gmt":"2021-02-09T07:44:17","guid":{"rendered":"https:\/\/shtheme.org\/demosd\/agroly\/?p=29"},"modified":"2022-10-14T12:33:33","modified_gmt":"2022-10-14T12:33:33","slug":"nutricao-vegetal-e-monitoramento-nutricional","status":"publish","type":"post","link":"https:\/\/agroingex.es\/pt\/nutricao-vegetal-e-monitoramento-nutricional\/","title":{"rendered":"Nutri\u00e7\u00e3o vegetal e monitoramento nutricional"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"29\" class=\"elementor elementor-29\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1897c326 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1897c326\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3340b1\" data-id=\"3340b1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-792a73d8 elementor-widget elementor-widget-text-editor\" data-id=\"792a73d8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>O servi\u00e7o de monitoramento nutricional integra o monitoramento sazonal do sistema \u00e1gua-solo-planta em diferentes est\u00e1gios fenol\u00f3gicos da cultura.<\/strong><\/p><p>O servi\u00e7o \u00e9 baseado no monitoramento da \u00e1gua de irriga\u00e7\u00e3o, solu\u00e7\u00e3o fertilizante, solu\u00e7\u00e3o do solo, din\u00e2mica foliar e de frutos, al\u00e9m de assist\u00eancia t\u00e9cnica de agr\u00f4nomos especialistas em nutri\u00e7\u00e3o de plantas. Dessa forma, os produtores t\u00eam informa\u00e7\u00f5es r\u00e1pidas e simples, com diagn\u00f3sticos claros e precisos, al\u00e9m de recomenda\u00e7\u00f5es pr\u00e1ticas e adaptadas \u00e0s necessidades de cada produtor.<\/p><p>Cada uma das an\u00e1lises envolvidas e sua import\u00e2ncia para as culturas s\u00e3o descritas abaixo:<\/p><h2><strong>Sistema de solo \u2013 Solu\u00e7\u00e3o de solo:<\/strong><\/h2><p>O solo \u00e9 um sistema composto por <strong>tr\u00eas fases de grande import\u00e2ncia: fase s\u00f3lida, gasosa e l\u00edquida.<\/strong> Est\u00e1 no <strong>fase s\u00f3lida onde a mat\u00e9ria org\u00e2nica e as part\u00edculas do solo interagem<\/strong>, que determinam a textura e a fertilidade potencial de um solo. O espa\u00e7o poroso d\u00e1 origem \u00e0 fase gasosa, onde ocorre a troca entre o CO2 produzido pelas ra\u00edzes e o O2 da atmosfera. No caso da irriga\u00e7\u00e3o, a porosidade come\u00e7a a ficar saturada de \u00e1gua e d\u00e1 origem ao que \u00e9 conhecido como fase l\u00edquida, que mant\u00e9m os nutrientes em solu\u00e7\u00e3o. <strong>(solu\u00e7\u00e3o do solo; Figura 1).<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-19792a6 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"19792a6\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-630c4f8\" data-id=\"630c4f8\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8b4af33 elementor-widget elementor-widget-text-editor\" data-id=\"8b4af33\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Figura 1<\/strong>.<br \/>Diagrama do sistema complexo de intera\u00e7\u00e3o solo-solu\u00e7\u00e3o do solo-raiz.<br \/>Modificado de 2005 Pearson Education, Inc. Publishing como Pearson Benjamin<br \/>Cummings. Todos os direitos reservados.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-80a0577\" data-id=\"80a0577\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5f87a0b elementor-widget elementor-widget-image\" data-id=\"5f87a0b\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"747\" height=\"725\" src=\"https:\/\/agroingex.es\/wp-content\/uploads\/2020\/09\/figura-1.png\" class=\"attachment-large size-large wp-image-1421\" alt=\"Figura 1\" srcset=\"https:\/\/agroingex.es\/wp-content\/uploads\/2020\/09\/figura-1.png 747w, https:\/\/agroingex.es\/wp-content\/uploads\/2020\/09\/figura-1-300x291.png 300w\" sizes=\"(max-width: 747px) 100vw, 747px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-80bede0 elementor-widget elementor-widget-text-editor\" data-id=\"80bede0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A solu\u00e7\u00e3o do solo \u00e9 um par\u00e2metro din\u00e2mico de alta relev\u00e2ncia, pois constitui o meio de transporte de formas inorg\u00e2nicas ou i\u00f4nicas de nutrientes e deve responder \u00e0s exig\u00eancias espec\u00edficas de uma cultura e sua fenologia. As ra\u00edzes respiram continuamente e libertam quantidades significativas de CO2, que em contacto com a \u00e1gua do solo \u00e9 convertido em<strong> \u00e1cido carb\u00f4nico (H2O + CO2 = H2CO3)<\/strong>, que se dissocia rapidamente em <strong>hidrog\u00eanio e bicarbonato (H+ + HCO3)<\/strong>. Os \u00edons H+ difundem-se nas part\u00edculas do solo e deslocam facilmente outros c\u00e1tions ligados \u00e0s posi\u00e7\u00f5es de troca, como <strong>pot\u00e1ssio e s\u00f3dio (K+ e Na+ respectivamente)<\/strong>.<\/p><p>Desta maneira, <strong>Os c\u00e1tions inicialmente adsorvidos no solo s\u00e3o trocados por H+ e passam para a solu\u00e7\u00e3o do solo<\/strong>, onde podem ser absorvidos pelas ra\u00edzes. Isso cria um fen\u00f4meno de troca i\u00f4nica entre o solo e a cultura. Aplica\u00e7\u00f5es ex\u00f3genas de fertilizantes no solo alteram as propriedades da solu\u00e7\u00e3o do solo e os nutrientes dispon\u00edveis para absor\u00e7\u00e3o. Entretanto, uma fra\u00e7\u00e3o dos nutrientes aplicados pode passar diretamente para o complexo de troca de part\u00edculas do solo, enquanto outra fra\u00e7\u00e3o pode penetrar profundamente no solo. <strong>Em ambos os cen\u00e1rios, a efici\u00eancia da fertiliza\u00e7\u00e3o \u00e9 reduzida.<\/strong><\/p><p><strong>Entre os fatores que regulam a absor\u00e7\u00e3o de \u00edons est\u00e3o:<\/strong><\/p><ul><li><p><em>Aera\u00e7\u00e3o do solo<\/em><\/p><\/li><li><p><em>Temperatura<\/em><\/p><\/li><li><p><em>pH da solu\u00e7\u00e3o do solo<\/em><\/p><\/li><li><p><em>Sinergismos\/antagonismos<\/em><\/p><\/li><li><p><em>Condutividade el\u00e9trica<\/em><\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-96e89b8 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"96e89b8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-0b17b35\" data-id=\"0b17b35\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-76b76d1 elementor-widget elementor-widget-image\" data-id=\"76b76d1\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"897\" height=\"658\" src=\"https:\/\/agroingex.es\/wp-content\/uploads\/2020\/09\/figura-2-1.png\" class=\"attachment-large size-large wp-image-1420\" alt=\"figura 2 1\" srcset=\"https:\/\/agroingex.es\/wp-content\/uploads\/2020\/09\/figura-2-1.png 897w, https:\/\/agroingex.es\/wp-content\/uploads\/2020\/09\/figura-2-1-300x220.png 300w, https:\/\/agroingex.es\/wp-content\/uploads\/2020\/09\/figura-2-1-768x563.png 768w\" sizes=\"(max-width: 897px) 100vw, 897px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ac0500c\" data-id=\"ac0500c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5965ba8 elementor-widget elementor-widget-text-editor\" data-id=\"5965ba8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Figura 2.<\/strong> Diagrama de localiza\u00e7\u00e3o das sondas lisim\u00e9tricas para suc\u00e7\u00e3o da solu\u00e7\u00e3o do solo em diferentes profundidades no perfil.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-48a6fc1 elementor-widget elementor-widget-text-editor\" data-id=\"48a6fc1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00c0 medida que a concentra\u00e7\u00e3o de um \u00edon espec\u00edfico na solu\u00e7\u00e3o do solo aumenta, a probabilidade de sua forma\u00e7\u00e3o tamb\u00e9m aumenta.<br \/>absor\u00e7\u00e3o, que \u00e9 particularmente relevante para aqueles \u00edons cujo mecanismo de absor\u00e7\u00e3o \u00e9 a difus\u00e3o.<br \/>No entanto, <strong>A absor\u00e7\u00e3o \u00e9 comprometida quando a quantidade total de sais dissolvidos excede um limite determinado pela cultura<\/strong> (potencial osm\u00f3tico ou condutividade el\u00e9trica da solu\u00e7\u00e3o do solo).<\/p><p>Por fim, os \u00edons dissolvidos na solu\u00e7\u00e3o do solo entram nas ra\u00edzes das plantas por meio de dois processos de absor\u00e7\u00e3o, referentes ao gasto energ\u00e9tico: absor\u00e7\u00e3o passiva ou ativa. <strong>Dentro da absor\u00e7\u00e3o passiva (sem gasto de energia) <\/strong><strong>Ela enfatiza o fluxo de massas, enquanto no transporte ativo ocorre contra um gradiente de concentra\u00e7\u00e3o e requer um gasto de energia para transportadores espec\u00edficos ou \u201cportadores\u201d.<\/strong><\/p><p>A falta de informa\u00e7\u00f5es e ferramentas que permitam um diagn\u00f3stico adequado do estado nutricional da planta no campo para o desenvolvimento de programas de fertiliza\u00e7\u00e3o, leva na maioria das vezes<strong> casos de utiliza\u00e7\u00e3o de planos estabelecidos pela \u201cliteratura\u201d<\/strong>, recomendado por vizinhos ou por tentativa e erro ao longo dos anos. Todas as pr\u00e1ticas que geralmente n\u00e3o consideram as condi\u00e7\u00f5es de cada parcela ou a realidade produtiva. <strong>A variabilidade extremamente alta encontrada dentro de uma \u00fanica fazenda significa que um plano de fertiliza\u00e7\u00e3o pode funcionar de forma muito diferente dependendo do tipo de solo, variedade, condi\u00e7\u00f5es clim\u00e1ticas e manejo, e at\u00e9 mesmo entre as esta\u00e7\u00f5es. <\/strong><\/p><p>Isso leva a uma fertiliza\u00e7\u00e3o ineficiente, a um decl\u00ednio progressivo no rendimento e na qualidade e a um impacto constante nas caracter\u00edsticas do solo. <strong>As an\u00e1lises de solo e foliares ajudam a desenvolver ou corrigir planos de fertiliza\u00e7\u00e3o, mas na maioria dos casos n\u00e3o permitem avalia\u00e7\u00e3o e monitoramento.<\/strong> N\u00e3o \u00e9 poss\u00edvel saber o que acontece com os nutrientes depois que eles s\u00e3o fornecidos via irriga\u00e7\u00e3o em cada est\u00e1gio fenol\u00f3gico, quanto \u00e9 absorvido pelas ra\u00edzes e quanto \u00e9 perdido devido \u00e0 inefici\u00eancia, apenas com uma an\u00e1lise sazonal.<\/p><p>Nem nos dizem como e quando fertilizar, nem como reagir a tempo aos excessos ou defici\u00eancias. Na verdade, muitas vezes nem temos a pessoa certa para fazer uma interpreta\u00e7\u00e3o correta, o que torna ainda mais improv\u00e1vel que consigamos atingir nossas metas e objetivos produtivos. <strong>A metodologia estabelecida pelo AGQ Labs permite diagnosticar a din\u00e2mica dos nutrientes na solu\u00e7\u00e3o do solo durante os diferentes est\u00e1gios fenol\u00f3gicos de grande relev\u00e2ncia.<\/strong>, e para isso s\u00e3o utilizadas sondas lisim\u00e9tricas de suc\u00e7\u00e3o, que permitem obter a solu\u00e7\u00e3o do solo a partir do perfil.<\/p><p>Com as amostras obtidas pelas sondas, \u00e9 realizado um processo anal\u00edtico em laborat\u00f3rio, que permite obter informa\u00e7\u00f5es sobre a disponibilidade de diferentes \u00edons para a planta. <strong>(Figura 2)<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-87ef185 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"87ef185\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-963f494\" data-id=\"963f494\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b11c4b6 elementor-widget elementor-widget-text-editor\" data-id=\"b11c4b6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Figura 3.<\/strong> Exemplo de din\u00e2mica foliar para Nitrog\u00eanio (acima) e Pot\u00e1ssio (abaixo) para Am\u00eandoa.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-5ca911e\" data-id=\"5ca911e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-eec0021 elementor-widget elementor-widget-image\" data-id=\"eec0021\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"631\" height=\"752\" src=\"https:\/\/agroingex.es\/wp-content\/uploads\/2020\/09\/figura-3-1.png\" class=\"attachment-large size-large wp-image-1419\" alt=\"figura 3 1\" srcset=\"https:\/\/agroingex.es\/wp-content\/uploads\/2020\/09\/figura-3-1.png 631w, https:\/\/agroingex.es\/wp-content\/uploads\/2020\/09\/figura-3-1-252x300.png 252w\" sizes=\"(max-width: 631px) 100vw, 631px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-b493e7b elementor-widget elementor-widget-text-editor\" data-id=\"b493e7b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5><strong>Solu\u00e7\u00e3o de fertilizante para irriga\u00e7\u00e3o<\/strong><\/h5><p>A an\u00e1lise da solu\u00e7\u00e3o fertilizante \u00e9 obtida diretamente da sa\u00edda do emissor (gotejador ou microaspersor) e fornece informa\u00e7\u00f5es sobre a solu\u00e7\u00e3o nutritiva que entra no sistema ap\u00f3s a inje\u00e7\u00e3o dos fertilizantes. Com<br \/>Esta informa\u00e7\u00e3o e<strong>\u00c9 poss\u00edvel garantir que cada nutriente seja fornecido na forma e dosagem corretas, al\u00e9m de inclu\u00ed-los em propor\u00e7\u00f5es adequadas para evitar competi\u00e7\u00e3o.<\/strong><\/p><p><strong>Esta solu\u00e7\u00e3o<\/strong> <strong>O fertilizante penetra no perfil e come\u00e7a a reagir com o solo<\/strong>. O solo, dependendo de sua capacidade de troca cati\u00f4nica, contribuir\u00e1 com c\u00e1tions para esta solu\u00e7\u00e3o e subtrair\u00e1 outros. Por outro lado, o sistema radicular, que absorve essa solu\u00e7\u00e3o do solo, tamb\u00e9m absorver\u00e1 uma quantidade de sais e \u00e1gua dependendo de sua atividade, idade, estado fenol\u00f3gico e condi\u00e7\u00f5es ambientais. A fra\u00e7\u00e3o restante da solu\u00e7\u00e3o fertilizante ser\u00e1 lavada atrav\u00e9s do perfil.<\/p><h5><strong>Din\u00e2mica Foliar e Frutos<\/strong><\/h5>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-4caffae elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4caffae\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-5d87cbd\" data-id=\"5d87cbd\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ab536e4 elementor-widget elementor-widget-image\" data-id=\"ab536e4\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"583\" height=\"508\" src=\"https:\/\/agroingex.es\/wp-content\/uploads\/2020\/09\/figura-4.png\" class=\"attachment-large size-large wp-image-1418\" alt=\"Figura 4\" srcset=\"https:\/\/agroingex.es\/wp-content\/uploads\/2020\/09\/figura-4.png 583w, https:\/\/agroingex.es\/wp-content\/uploads\/2020\/09\/figura-4-300x261.png 300w\" sizes=\"(max-width: 583px) 100vw, 583px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-4ced190\" data-id=\"4ced190\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-303deb0 elementor-widget elementor-widget-text-editor\" data-id=\"303deb0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Figura 4.<\/strong> Diagrama c\u00edclico da auditoria do sistema solo-\u00e1gua-planta.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-bf4debf elementor-widget elementor-widget-text-editor\" data-id=\"bf4debf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>As informa\u00e7\u00f5es obtidas da an\u00e1lise do solo, da \u00e1gua de irriga\u00e7\u00e3o, da solu\u00e7\u00e3o do solo e da solu\u00e7\u00e3o fertilizante s\u00e3o essenciais para o gerenciamento abrangente do sistema. No entanto, <strong>Essas informa\u00e7\u00f5es n\u00e3o t\u00eam sentido se n\u00e3o forem complementadas com dados da cultura, pois, em \u00faltima an\u00e1lise, nosso principal objetivo \u00e9 gerar um efeito positivo na planta.<\/strong> Para complementar o servi\u00e7o de monitoramento nutricional, cada sess\u00e3o de amostragem inclui an\u00e1lise de tecidos, folhas e frutos, conforme apropriado.<\/p>\n<p><strong>A din\u00e2mica foliar permite-nos avaliar a resposta da planta ao nosso manejo nutricional,<\/strong> al\u00e9m de nos permitir observar tend\u00eancias no n\u00edvel do tecido e antecipar um potencial problema ou defici\u00eancia nutricional. Para isso, a AGQ Labs desenvolveu curvas de refer\u00eancia foliares para todo o ciclo da cultura, considerando informa\u00e7\u00f5es hist\u00f3ricas de diferentes produtores e empresas agr\u00edcolas em todo o pa\u00eds. <strong>(Figura 3)<\/strong>.<\/p>\n<p><strong>A metodologia estabelecida pelo AGQ Labs permite diagnosticar a din\u00e2mica dos nutrientes na solu\u00e7\u00e3o do solo durante est\u00e1gios fenol\u00f3gicos de alta relev\u00e2ncia.<\/strong>, al\u00e9m de complementar as informa\u00e7\u00f5es com dados anal\u00edticos sobre \u00e1gua de irriga\u00e7\u00e3o, solu\u00e7\u00e3o fertilizante e din\u00e2mica dos tecidos (folhas e frutos). Gra\u00e7as a essas informa\u00e7\u00f5es \u00e9 poss\u00edvel maximizar a efici\u00eancia da fertiliza\u00e7\u00e3o, auditoria constante do sistema solo-\u00e1gua-planta<strong> (Figura 4)<\/strong>, aumentam o rendimento e a qualidade do produto final, bem como a rentabilidade da cultura. Dentre os benef\u00edcios do sistema, destacamos:<\/p>\n<ul>\n<li>\n<p><em>Permite determinar as reais necessidades nutricionais da cultura.<\/em><\/p>\n<\/li>\n<li>\n<p><em>Permite corrigir defici\u00eancias ou excessos nutricionais em tempo h\u00e1bil.<\/em><\/p>\n<\/li>\n<li>\n<p><em>Ajuda a estabelecer planos de fertiliza\u00e7\u00e3o com base nas necessidades reais da cultura e, assim, evitar a fertiliza\u00e7\u00e3o excessiva.<\/em><\/p>\n<\/li>\n<li>\n<p><em>Facilita o desenvolvimento de estrat\u00e9gias para combater as condi\u00e7\u00f5es de salinidade no solo, baseadas em sinergias e antagonismos de \u00edons em solu\u00e7\u00e3o.<\/em><\/p>\n<\/li>\n<li>\n<p><em>Permite avaliar a efici\u00eancia da fertiliza\u00e7\u00e3o e o aproveitamento dos nutrientes.<\/em><\/p>\n<\/li>\n<li>\n<p><em>Ela afeta positivamente a produtividade das parcelas, podendo gerar melhores tamanhos de frutos, colora\u00e7\u00e3o, concentra\u00e7\u00e3o de s\u00f3lidos sol\u00faveis, firmeza, entre outros.<\/em><\/p>\n<\/li>\n<li>\n<p><em>Gera economia ao reduzir os planos de fertiliza\u00e7\u00e3o, pois considera todas as fontes que fornecem nutrientes.<\/em><\/p>\n<\/li>\n<li>\n<p><em>Assist\u00eancia t\u00e9cnica durante todo o per\u00edodo de acompanhamento nutricional.<\/em><\/p>\n<\/li>\n<\/ul>\n<h6><br><em><strong><\/strong><\/em><\/h6><h6><br><\/h6><h6><em><strong>Fonte da not\u00edcia: <\/strong><\/em><a href=\"https:\/\/www.agromillora.com\/olint\/nutricion-vegetal-y-seguimiento-nutricional\/\" target=\"_blank\" rel=\"noopener\"><em><strong>Agromillora<\/strong><\/em><\/a><\/h6>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>El servicio de seguimiento nutricional integra el monitoreo durante la temporada, del sistema Agua-Suelo-Planta en distintos estados fenol\u00f3gicos del cultivo. El servicio se basa en el monitoreo del agua de riego, soluci\u00f3n fertilizante, soluci\u00f3n de suelo, din\u00e1micas foliares y de fruto, as\u00ed como la asistencia t\u00e9cnica de agr\u00f3nomos especializados en nutrici\u00f3n vegetal. De este modo, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":1466,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,3,4,5],"tags":[],"class_list":["post-29","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-asesoramiento","category-instalaciones","category-sistemas-de-riego","category-sostenibilidad"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Nutrici\u00f3n vegetal y seguimiento nutricional - Agroingex<\/title>\n<meta name=\"description\" content=\"El seguimiento nutricional integra el monitoreo durante la temporada, del sistema Agua-Suelo-Planta en estados fenol\u00f3gicos del cultivo.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/agroingex.es\/pt\/nutricao-vegetal-e-monitoramento-nutricional\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nutrici\u00f3n vegetal y seguimiento nutricional - 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