{"id":12275,"date":"2025-02-27T13:03:15","date_gmt":"2025-02-27T12:03:15","guid":{"rendered":"https:\/\/ragt-seeds.com\/fr\/?p=12275"},"modified":"2025-08-20T15:38:50","modified_gmt":"2025-08-20T13:38:50","slug":"strategie-de-fertilisation-du-colza-adapter-les-apports-pour-un-rendement-optimal","status":"publish","type":"post","link":"https:\/\/ragt-seeds.com\/fr\/strategie-de-fertilisation-du-colza-adapter-les-apports-pour-un-rendement-optimal\/","title":{"rendered":"Strat\u00e9gie de fertilisation du colza : adapter les apports pour un rendement optimal"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"12275\" class=\"elementor elementor-12275\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2796259 e-con-full e-flex e-con e-child\" data-id=\"2796259\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t<div class=\"elementor-element elementor-element-8d8be3c e-con-full e-flex e-con e-child\" data-id=\"8d8be3c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c3a4a8d elementor-widget__width-auto elementor-widget elementor-widget-heading\" data-id=\"c3a4a8d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Publi\u00e9 le 27\/02\/2025<\/span>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a83f8dc elementor-align-right elementor-mobile-align-center elementor-widget elementor-widget-post-info\" data-id=\"a83f8dc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-b84e169 elementor-inline-item\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<span class=\"elementor-post-info__terms-list-item\">Colza<\/span>, <span class=\"elementor-post-info__terms-list-item\">Expertise<\/span>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffdf852 elementor-widget elementor-widget-text-editor\" data-id=\"ffdf852\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Comme pour toutes les cultures, il est essentiel d\u2019adapter la strat\u00e9gie de fertilisation \u00e0 l\u2019\u00e9tat de votre culture et \u00e0 votre objectif de rendement. Une gestion pr\u00e9cise des apports en nutriments garantit un colza robuste et productif.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ed376d7 elementor-widget elementor-widget-text-editor\" data-id=\"ed376d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2><strong>Consommation d\u2019azote par le colza<\/strong><\/h2><p>Le colza est une plante exigeante en azote, n\u00e9cessitant <strong>6,5 unit\u00e9s d\u2019azote<\/strong> pour produire un quintal, contre <strong>4,5 unit\u00e9s<\/strong> pour un quintal de tournesol, par exemple.<\/p><p>Cependant, il est important de ne pas surdoser l\u2019apport en azote, car un exc\u00e8s peut r\u00e9duire la teneur en huile du colza. En effet, un exc\u00e8s de <strong>40 kg d\u2019azote par hectare<\/strong> entra\u00eene une baisse d\u2019environ <strong>0,5 point de teneur en huile<\/strong>.<\/p><h2><strong>Stockage et absorption de l\u2019azote<\/strong><\/h2><p>Le colza a la capacit\u00e9 d\u2019absorber et de stocker l\u2019azote durant l\u2019automne dans ses feuilles et ses racines, pour ensuite l\u2019utiliser \u00e0 la reprise de v\u00e9g\u00e9tation. Il est donc crucial d\u2019\u00e9valuer la biomasse du colza durant l\u2019hiver afin d\u2019ajuster les apports en sortie d\u2019hiver.<\/p><p>Un rep\u00e8re important : <strong>1 kg de biomasse a\u00e9rienne au m\u00b2 \u00e9quivaut \u00e0 60 unit\u00e9s d\u2019azote absorb\u00e9<\/strong>.<\/p><p>Pour une estimation pr\u00e9cise de la biomasse, il est recommand\u00e9 de r\u00e9aliser une pes\u00e9e en <strong>entr\u00e9e d\u2019hiver<\/strong> et en <strong>sortie d\u2019hiver<\/strong>. Cette \u00e9valuation permet ensuite d\u2019utiliser la <strong>r\u00e9glette azote colza<\/strong> pour d\u00e9terminer la dose d\u2019azote n\u00e9cessaire au printemps.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9a5608b e-con-full e-flex e-con e-child\" data-id=\"9a5608b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c50b95a elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"c50b95a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1115\" height=\"1875\" src=\"https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2025\/02\/COM_RGT_CEOS_potentiel_regularite_securite.webp\" class=\"attachment-full size-full wp-image-12122\" alt=\"\" srcset=\"https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2025\/02\/COM_RGT_CEOS_potentiel_regularite_securite.webp 1115w, https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2025\/02\/COM_RGT_CEOS_potentiel_regularite_securite-178x300.webp 178w, https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2025\/02\/COM_RGT_CEOS_potentiel_regularite_securite-609x1024.webp 609w, https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2025\/02\/COM_RGT_CEOS_potentiel_regularite_securite-768x1291.webp 768w, https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2025\/02\/COM_RGT_CEOS_potentiel_regularite_securite-913x1536.webp 913w, https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2025\/02\/COM_RGT_CEOS_potentiel_regularite_securite-600x1009.webp 600w\" sizes=\"(max-width: 1115px) 100vw, 1115px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-90d6699 e-con-full e-flex e-con e-child\" data-id=\"90d6699\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[],&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3c3f66d elementor-widget elementor-widget-image\" data-id=\"3c3f66d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"862\" height=\"647\" src=\"https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2025\/02\/le_choix_gagnant_des_le_semis.webp\" class=\"attachment-full size-full wp-image-12195\" alt=\"\" srcset=\"https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2025\/02\/le_choix_gagnant_des_le_semis.webp 862w, https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2025\/02\/le_choix_gagnant_des_le_semis-300x225.webp 300w, https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2025\/02\/le_choix_gagnant_des_le_semis-768x576.webp 768w, https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2025\/02\/le_choix_gagnant_des_le_semis-600x450.webp 600w\" sizes=\"(max-width: 862px) 100vw, 862px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f52930 elementor-widget elementor-widget-text-editor\" data-id=\"2f52930\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Choisissez RGT CEOS et tentez de gagner <strong>1 VTT \u00e9lectrique d\u2019une valeur de 2 499 \u20ac<\/strong> et <strong>jusqu\u2019\u00e0 2 500 \u20ac en bons cadeaux Decathlon<\/strong>. <em>Jeu avec obligation d\u2019achat de RGT CEOS.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div data-dce-text-color=\"#F9FBFC\" class=\"elementor-element elementor-element-2dad8e7 elementor-icon-list--layout-inline elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"2dad8e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-medal\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M223.75 130.75L154.62 15.54A31.997 31.997 0 0 0 127.18 0H16.03C3.08 0-4.5 14.57 2.92 25.18l111.27 158.96c29.72-27.77 67.52-46.83 109.56-53.39zM495.97 0H384.82c-11.24 0-21.66 5.9-27.44 15.54l-69.13 115.21c42.04 6.56 79.84 25.62 109.56 53.38L509.08 25.18C516.5 14.57 508.92 0 495.97 0zM256 160c-97.2 0-176 78.8-176 176s78.8 176 176 176 176-78.8 176-176-78.8-176-176-176zm92.52 157.26l-37.93 36.96 8.97 52.22c1.6 9.36-8.26 16.51-16.65 12.09L256 393.88l-46.9 24.65c-8.4 4.45-18.25-2.74-16.65-12.09l8.97-52.22-37.93-36.96c-6.82-6.64-3.05-18.23 6.35-19.59l52.43-7.64 23.43-47.52c2.11-4.28 6.19-6.39 10.28-6.39 4.11 0 8.22 2.14 10.33 6.39l23.43 47.52 52.43 7.64c9.4 1.36 13.17 12.95 6.35 19.59z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Potentiel<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-thumbs-up\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M104 224H24c-13.255 0-24 10.745-24 24v240c0 13.255 10.745 24 24 24h80c13.255 0 24-10.745 24-24V248c0-13.255-10.745-24-24-24zM64 472c-13.255 0-24-10.745-24-24s10.745-24 24-24 24 10.745 24 24-10.745 24-24 24zM384 81.452c0 42.416-25.97 66.208-33.277 94.548h101.723c33.397 0 59.397 27.746 59.553 58.098.084 17.938-7.546 37.249-19.439 49.197l-.11.11c9.836 23.337 8.237 56.037-9.308 79.469 8.681 25.895-.069 57.704-16.382 74.757 4.298 17.598 2.244 32.575-6.148 44.632C440.202 511.587 389.616 512 346.839 512l-2.845-.001c-48.287-.017-87.806-17.598-119.56-31.725-15.957-7.099-36.821-15.887-52.651-16.178-6.54-.12-11.783-5.457-11.783-11.998v-213.77c0-3.2 1.282-6.271 3.558-8.521 39.614-39.144 56.648-80.587 89.117-113.111 14.804-14.832 20.188-37.236 25.393-58.902C282.515 39.293 291.817 0 312 0c24 0 72 8 72 81.452z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">R\u00e9gularit\u00e9<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-shield-alt\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M466.5 83.7l-192-80a48.15 48.15 0 0 0-36.9 0l-192 80C27.7 91.1 16 108.6 16 128c0 198.5 114.5 335.7 221.5 380.3 11.8 4.9 25.1 4.9 36.9 0C360.1 472.6 496 349.3 496 128c0-19.4-11.7-36.9-29.5-44.3zM256.1 446.3l-.1-381 175.9 73.3c-3.3 151.4-82.1 261.1-175.8 307.7z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">S\u00e9curit\u00e9<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3263d66 elementor-align-left animated-fast elementor-mobile-align-justify elementor-tablet-align-left elementor-invisible elementor-widget elementor-widget-button\" data-id=\"3263d66\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-float\" href=\"https:\/\/ragtsemences.cdn8.app\/Pn5CXNRR?mtm_campaign=rgt-ceos-clic-jeu-articles\" rel=\"nofollow noopener\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Participez maintenant<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div data-dce-title-color=\"#273540\" class=\"elementor-element elementor-element-9e8ea16 elementor-widget elementor-widget-heading\" data-id=\"9e8ea16\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">Du 01\/07\/2025 au 30\/09\/2025.<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f8474a7 elementor-widget elementor-widget-text-editor\" data-id=\"f8474a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2><strong>P\u00e9riodes et strat\u00e9gies d\u2019apport<\/strong><\/h2><p>L\u2019\u00e9valuation de l\u2019\u00e9tat du colza en sortie d\u2019hiver est essentielle pour ajuster la dose d\u2019azote \u00e0 apporter. Fractionner les apports est une strat\u00e9gie conseill\u00e9e pour mieux r\u00e9pondre aux besoins de la culture selon son \u00e9tat g\u00e9n\u00e9ral.<\/p><ul><li><strong>Colza avec une biomasse importante en entr\u00e9e d\u2019hiver<\/strong> : ces plantes ont g\u00e9n\u00e9ralement stock\u00e9 suffisamment d\u2019azote pour la reprise de v\u00e9g\u00e9tation. Les apports peuvent donc \u00eatre <strong>d\u00e9cal\u00e9s au stade d\u00e9but montaison<\/strong>.<\/li><li><strong>Colza avec une biomasse plus faible<\/strong> : ces cultures n\u00e9cessitent un apport en azote plus pr\u00e9coce pour \u00e9viter un stress nutritionnel.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-989b367 e-con-full e-flex e-con e-child\" data-id=\"989b367\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b495f76 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"b495f76\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1772\" height=\"1181\" src=\"https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2024\/07\/rgt_ceos_colza.webp\" class=\"attachment-full size-full wp-image-9324\" alt=\"\" srcset=\"https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2024\/07\/rgt_ceos_colza.webp 1772w, https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2024\/07\/rgt_ceos_colza-300x200.webp 300w, https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2024\/07\/rgt_ceos_colza-1024x682.webp 1024w, https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2024\/07\/rgt_ceos_colza-768x512.webp 768w, https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2024\/07\/rgt_ceos_colza-1536x1024.webp 1536w, https:\/\/ragt-seeds.com\/fr\/wp-content\/uploads\/2024\/07\/rgt_ceos_colza-600x400.webp 600w\" sizes=\"(max-width: 1772px) 100vw, 1772px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0e456e4 e-con-full e-flex e-con e-child\" data-id=\"0e456e4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div data-dce-title-color=\"#F9FBFC\" class=\"elementor-element elementor-element-a30e5c4 elementor-widget elementor-widget-heading\" data-id=\"a30e5c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">RGT CEOS<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fac2e55 elementor-widget elementor-widget-heading\" data-id=\"fac2e55\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Le d\u00e9cathlonien du rendement et de la s\u00e9curit\u00e9 du cycle<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-86b1d6c elementor-widget elementor-widget-text-editor\" data-id=\"86b1d6c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Maximiser le potentiel de votre culture de colza.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div data-dce-text-color=\"#F9FBFC\" class=\"elementor-element elementor-element-cddf272 elementor-icon-list--layout-inline elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"cddf272\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-medal\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M223.75 130.75L154.62 15.54A31.997 31.997 0 0 0 127.18 0H16.03C3.08 0-4.5 14.57 2.92 25.18l111.27 158.96c29.72-27.77 67.52-46.83 109.56-53.39zM495.97 0H384.82c-11.24 0-21.66 5.9-27.44 15.54l-69.13 115.21c42.04 6.56 79.84 25.62 109.56 53.38L509.08 25.18C516.5 14.57 508.92 0 495.97 0zM256 160c-97.2 0-176 78.8-176 176s78.8 176 176 176 176-78.8 176-176-78.8-176-176-176zm92.52 157.26l-37.93 36.96 8.97 52.22c1.6 9.36-8.26 16.51-16.65 12.09L256 393.88l-46.9 24.65c-8.4 4.45-18.25-2.74-16.65-12.09l8.97-52.22-37.93-36.96c-6.82-6.64-3.05-18.23 6.35-19.59l52.43-7.64 23.43-47.52c2.11-4.28 6.19-6.39 10.28-6.39 4.11 0 8.22 2.14 10.33 6.39l23.43 47.52 52.43 7.64c9.4 1.36 13.17 12.95 6.35 19.59z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Potentiel<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-thumbs-up\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M104 224H24c-13.255 0-24 10.745-24 24v240c0 13.255 10.745 24 24 24h80c13.255 0 24-10.745 24-24V248c0-13.255-10.745-24-24-24zM64 472c-13.255 0-24-10.745-24-24s10.745-24 24-24 24 10.745 24 24-10.745 24-24 24zM384 81.452c0 42.416-25.97 66.208-33.277 94.548h101.723c33.397 0 59.397 27.746 59.553 58.098.084 17.938-7.546 37.249-19.439 49.197l-.11.11c9.836 23.337 8.237 56.037-9.308 79.469 8.681 25.895-.069 57.704-16.382 74.757 4.298 17.598 2.244 32.575-6.148 44.632C440.202 511.587 389.616 512 346.839 512l-2.845-.001c-48.287-.017-87.806-17.598-119.56-31.725-15.957-7.099-36.821-15.887-52.651-16.178-6.54-.12-11.783-5.457-11.783-11.998v-213.77c0-3.2 1.282-6.271 3.558-8.521 39.614-39.144 56.648-80.587 89.117-113.111 14.804-14.832 20.188-37.236 25.393-58.902C282.515 39.293 291.817 0 312 0c24 0 72 8 72 81.452z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">R\u00e9gularit\u00e9<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-shield-alt\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M466.5 83.7l-192-80a48.15 48.15 0 0 0-36.9 0l-192 80C27.7 91.1 16 108.6 16 128c0 198.5 114.5 335.7 221.5 380.3 11.8 4.9 25.1 4.9 36.9 0C360.1 472.6 496 349.3 496 128c0-19.4-11.7-36.9-29.5-44.3zM256.1 446.3l-.1-381 175.9 73.3c-3.3 151.4-82.1 261.1-175.8 307.7z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">S\u00e9curit\u00e9<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-82b4d41 e-con-full e-flex e-con e-child\" data-id=\"82b4d41\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3ed1bd8 elementor-align-left elementor-widget__width-auto animated-fast boutonjaune elementor-mobile-align-justify elementor-widget-mobile__width-inherit elementor-invisible elementor-widget elementor-widget-button\" data-id=\"3ed1bd8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-float\" href=\"https:\/\/ragt-seeds.com\/fr\/optez-pour-le-choix-gagnant-rgt-ceo-le-leader-en-colza\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">D\u00e9couvrez RGT CEOS<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-281f94b elementor-widget elementor-widget-text-editor\" data-id=\"281f94b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2><strong>Les autres \u00e9l\u00e9ments nutritifs essentiels<\/strong><\/h2><h4><strong><br \/>Le r\u00f4le du phosphore et du soufre<\/strong><\/h4><p><br \/>Outre l\u2019azote, le <strong>phosphore<\/strong> et le <strong>soufre<\/strong> jouent un r\u00f4le cl\u00e9 dans la nutrition du colza.<\/p><ul><li><strong>Le soufre est particuli\u00e8rement important<\/strong>, avec un besoin moyen de <strong>200 kg de SO\u2083 par hectare<\/strong> pour une production de <strong>35 q\/ha<\/strong>.<\/li><li>Une carence en soufre peut entra\u00eener une perte de <strong>10 \u00e0 20 quintaux par hectare<\/strong>.<\/li><\/ul><p><strong>Signes de carence en soufre selon les stades du colza<\/strong><\/p><ul><li><strong>Montaison<\/strong> : Jaunissement du limbe des feuilles sup\u00e9rieures, entra\u00eenant un ralentissement de la croissance.<\/li><li><strong>Floraison<\/strong> : Blanchissement des fleurs, surtout dans les zones o\u00f9 l\u2019enracinement est faible.<\/li><li><strong>Maturation<\/strong> : Formation de grosses siliques vides ou avort\u00e9es, impactant fortement le rendement.<\/li><\/ul><p><strong>Apports recommand\u00e9s pour \u00e9viter les carences<\/strong><\/p><p>Il est conseill\u00e9 d\u2019apporter <strong>75 unit\u00e9s de soufre sous forme de SO\u2083<\/strong> \u00e0 la reprise de v\u00e9g\u00e9tation, soit <strong>d\u00e9but f\u00e9vrier dans le Sud et fin mars\/d\u00e9but avril dans le Nord<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8dfc464 e-flex e-con-boxed e-con e-child\" data-id=\"8dfc464\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1763f70 elementor-widget elementor-widget-heading\" data-id=\"1763f70\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Besoin de conseils personnalis\u00e9s ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div data-dce-advanced-background-color=\"#273540\" class=\"elementor-element elementor-element-66b7f79 elementor-widget elementor-widget-text-editor\" data-id=\"66b7f79\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Pour plus d\u2019informations sur la fertilisation du colza et des recommandations adapt\u00e9es \u00e0 votre exploitation, contactez un expert RAGT.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6f2f86f elementor-align-left elementor-widget__width-auto animated-fast elementor-mobile-align-justify elementor-tablet-align-left elementor-widget-mobile__width-inherit boutonjaune elementor-invisible elementor-widget elementor-widget-button\" data-id=\"6f2f86f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-float\" href=\"https:\/\/ragt-seeds.com\/fr\/contacts\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contactez notre expert<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Comme pour toutes les cultures, il est essentiel d\u2019adapter la strat\u00e9gie de fertilisation \u00e0 l\u2019\u00e9tat de votre culture et \u00e0 votre objectif de rendement. Une gestion pr\u00e9cise des apports en nutriments garantit un colza robuste et productif. Consommation d\u2019azote par le colza Le colza est une plante exigeante en azote, n\u00e9cessitant 6,5 unit\u00e9s d\u2019azote pour [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":9364,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","osh_disable_topbar_sticky":"default","osh_disable_header_sticky":"default","osh_sticky_header_style":"default","osh_sticky_header_effect":"","osh_custom_sticky_logo":0,"osh_custom_retina_sticky_logo":0,"osh_custom_sticky_logo_height":0,"osh_background_color":"","osh_links_color":"","osh_links_hover_color":"","osh_links_active_color":"","osh_links_bg_color":"","osh_links_hover_bg_color":"","osh_links_active_bg_color":"","osh_menu_social_links_color":"","osh_menu_social_hover_links_color":"","iawp_total_views":893,"ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[243,271],"tags":[267,282],"class_list":["post-12275","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-colza","category-expertise","tag-actualites","tag-landing-page","entry","has-media"],"acf":[],"_links":{"self":[{"href":"https:\/\/ragt-seeds.com\/fr\/wp-json\/wp\/v2\/posts\/12275","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ragt-seeds.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ragt-seeds.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ragt-seeds.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ragt-seeds.com\/fr\/wp-json\/wp\/v2\/comments?post=12275"}],"version-history":[{"count":3,"href":"https:\/\/ragt-seeds.com\/fr\/wp-json\/wp\/v2\/posts\/12275\/revisions"}],"predecessor-version":[{"id":13637,"href":"https:\/\/ragt-seeds.com\/fr\/wp-json\/wp\/v2\/posts\/12275\/revisions\/13637"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ragt-seeds.com\/fr\/wp-json\/wp\/v2\/media\/9364"}],"wp:attachment":[{"href":"https:\/\/ra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