{"id":1783,"date":"2022-05-11T17:41:06","date_gmt":"2022-05-11T17:41:06","guid":{"rendered":"https:\/\/agronomos.org\/?p=1783"},"modified":"2022-05-11T17:44:22","modified_gmt":"2022-05-11T17:44:22","slug":"fertilidad-y-evaluacion-de-suelos-pdf","status":"publish","type":"post","link":"https:\/\/agronomos.org\/fertilidad-y-evaluacion-de-suelos-pdf\/","title":{"rendered":"Manual de Fertilidad y Evaluaci\u00f3n de Suelos (PDF)"},"content":{"rendered":"\n<p>El objetivo de este manual es realizar una s\u00edntesis de los aspectos m\u00e1s importantes y utilizar lo<strong>s conceptos b\u00e1sicos a tener en cuenta en fertilidad y <\/strong>evaluaci\u00f3n de suelos y fertilizaci\u00f3n de cultivos para poder interpretar y tomar decisiones sobre el manejo de los sistemas mixtos de la regi\u00f3n. Los contenidos abordados en el mismo surgen como respuesta a consultas m\u00e1s frecuentes de productores y profesionales.<\/p>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Fertilidad y evaluaci\u00f3n de suelos<\/h2>\n\n\n\n<p>La fertilizaci\u00f3n es una pr\u00e1ctica que da mayores rendimientos por unidad de superficie. En cultivos de cosecha incrementa el rendimiento y el porcentaje de prote\u00edna en grano con una mayor eficiencia en el uso del agua. En pasturas incrementa la producci\u00f3n de materia seca y prote\u00edna en planta, prolonga la vida de las leguminosas (fertilizando con P), aumenta la densidad de plantas en implantaci\u00f3n y la velocidad de rebrote, mejora la nodulaci\u00f3n (empleando P, azufre y micronutrientes).<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Cuando se piensa en la fertilizaci\u00f3n necesitamos responder varias preguntas, y tener un plan o estrategia de fertilizaci\u00f3n<\/p>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Investigaci\u00f3n en fertilidad de suelos<\/strong><\/p>\n\n\n\n<p>En cada regi\u00f3n se deben seguir los siguientes pasos.<\/p>\n\n\n\n<p>a) Exploraci\u00f3n de deficiencias nutritivas. <\/p>\n\n\n\n<p>b) Dosis y combinaci\u00f3n de fertilizantes.<br>c) Comparaci\u00f3n y tipos de fertilizantes.<br>d) Determinaci\u00f3n de formas de aplicaci\u00f3n. <\/p>\n\n\n\n<p>e) Red de ensayos a campo.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"646\" height=\"474\" src=\"https:\/\/agronomos.org\/wp-content\/uploads\/2022\/05\/plan-de-fertilizacion.jpg\" alt=\"\" class=\"wp-image-1784\" srcset=\"https:\/\/agronomos.org\/wp-content\/uploads\/2022\/05\/plan-de-fertilizacion.jpg 646w, https:\/\/agronomos.org\/wp-content\/uploads\/2022\/05\/plan-de-fertilizacion-300x220.jpg 300w\" sizes=\"(max-width: 646px) 100vw, 646px\" \/><figcaption>Plan de fertilizaci\u00f3n en base a evaluaci\u00f3n de suelos<\/figcaption><\/figure><\/div>\n\n\n\n<p>Al fertilizar se busca el m\u00e1ximo rendimiento con la menor cantidad de fertilizante (uso eficiente del insumo). Es necesario lograr una predicci\u00f3n de la respuesta con un cierto grado de confiabilidad. Se busca relacionar el rendimiento y la respuesta a la fertilizaci\u00f3n con:<\/p>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>An\u00e1lisis qu\u00edmicos<\/strong>:<\/p>\n\n\n\n<ol><li>Caracter\u00edsticas ed\u00e1ficas: nitr\u00f3geno (N) org\u00e1nico, N de nitratos (NO3), materia org\u00e1nica (MO) total y joven, P asimilable, etc.<\/li><li>Planta: N total, N de NO3 y N de amonio (NH4), etc.<\/li><\/ol>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Los m\u00e9todos de <strong>diagn\u00f3stico y evaluaci\u00f3n de suelos para la fertilizaci\u00f3n <\/strong>no son homog\u00e9neos en todas las regiones, debido a diferencias clim\u00e1ticas, tipos de <a href=\"https:\/\/agronomos.org\/guia-metodologica-para-el-estudio-de-suelos-en-campo\/\">suelo<\/a> y su uso, materiales gen\u00e9ticos utilizados, tecnolog\u00eda del cultivo empleada, etc. Los m\u00e9todos pueden ser simples recomendaciones o modelos matem\u00e1ticos que indiquen dosis y nivel de respuesta con distinto grado de precisi\u00f3n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/drive.google.com\/file\/d\/1hfUREbLJXDpaN26fH03EBdl1AwXPWxSI\/view?usp=sharing\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"505\" height=\"178\" src=\"https:\/\/agronomos.org\/wp-content\/uploads\/2021\/08\/boton-pdf-min-1.png\" alt=\"\" class=\"wp-image-1605\" srcset=\"https:\/\/agronomos.org\/wp-content\/uploads\/2021\/08\/boton-pdf-min-1.png 505w, https:\/\/agronomos.org\/wp-content\/uploads\/2021\/08\/boton-pdf-min-1-300x106.png 300w\" sizes=\"(max-width: 505px) 100vw, 505px\" \/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>El objetivo del manual es realizar una s\u00edntesis de los aspectos importantes y utilizar los conceptos b\u00e1sicos en fertilidad y evaluaci\u00f3n de suelos<\/p>\n","protected":false},"author":1,"featured_media":1785,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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