{"id":2523,"date":"2023-04-06T10:21:40","date_gmt":"2023-04-06T08:21:40","guid":{"rendered":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/?p=2523"},"modified":"2023-04-06T10:21:41","modified_gmt":"2023-04-06T08:21:41","slug":"concillier-agriculture-biologique-et-agriculture-de-conservation-dans-un-systeme-cerealier","status":"publish","type":"post","link":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/concillier-agriculture-biologique-et-agriculture-de-conservation-dans-un-systeme-cerealier\/","title":{"rendered":"Agriculture biologique &amp; Agriculture de conservation"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Concilier agriculture biologique et agriculture de conservation dans un syst\u00e8me c\u00e9r\u00e9alier : exemple en Belgique<\/h1>\n\n\n\n<p>D\u00e9couvrez comment Guillaume AGNEESSENS concilie l&rsquo;agriculture biologique et l&rsquo;agriculture de conservation dans cette fiche syst\u00e8me.<\/p>\n\n\n\n<p>Guillaume AGNEESSENS g\u00e8re une entreprise de travaux agricoles en Belgique et r\u00e9alise le suivi de 1\u00a0150 ha pour des agriculteurs depuis le choix des rotations jusqu\u2019\u00e0 la r\u00e9colte. Suite \u00e0 des demandes de clients, 150 ha sont pass\u00e9s en bio en 2015. Toutefois, constatant que le syst\u00e8me en labour bio impacte fortement le sol, l\u2019ensemble des terres en agriculture biologique est, d\u00e8s 2016, conduit en non labour. En parall\u00e8le, depuis 2018, il pratique le semis direct sur la majorit\u00e9 des terres en conventionnel, dont certaines avec une couverture permanente de luzerne.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_01.jpg?resize=1024%2C724&#038;ssl=1\" alt=\"Un syst\u00e8me Bio diversifi\u00e9\" class=\"wp-image-2524\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_01.jpg?resize=1024%2C724&amp;ssl=1 1024w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_01.jpg?resize=300%2C212&amp;ssl=1 300w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_01.jpg?resize=768%2C543&amp;ssl=1 768w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_01.jpg?resize=1536%2C1086&amp;ssl=1 1536w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_01.jpg?w=1754&amp;ssl=1 1754w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption>Un syst\u00e8me Bio diversifi\u00e9 en agriculture biologique et agriculture de conservation<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Les bases du syst\u00e8me biologique diversifi\u00e9<\/h2>\n\n\n\n<p>Le syst\u00e8me mis en place en bio est bas\u00e9 sur une succession culturale diversifi\u00e9e incluant une culture de printemps suivie de deux c\u00e9r\u00e9ales et des couverts \u00e0 chaque interculture. Un investissement cons\u00e9quent est r\u00e9alis\u00e9 dans des couverts diversifi\u00e9s (45 \u00e0 60 \u20ac\/ha) afin de maintenir la vie du sol et de g\u00e9rer les adventices. De plus, Guillaume utilise fr\u00e9quemment le scalpeur dans la lutte contre les adventices. Pour l&rsquo;implantation des cultures, il ne pratique par le semis direct sur les terres en AB. En effet, il appr\u00e9hende de ne pas pouvoir d\u00e9sherber m\u00e9caniquement les cultures \u00e0 cause d\u2019une trop forte pr\u00e9sence de r\u00e9sidus en surface.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">De nombreuses strat\u00e9gies pour construire une succession culturale en agriculture biologique sans labour<\/h2>\n\n\n\n<p>Il y a plusieurs niveau de gestion :<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">La fertilit\u00e9 du sol<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Alternance culture de printemps et d&rsquo;automne (1\/1) : avoir un gros couvert fr\u00e9quemment pour ref\u00e9velopper la vie du sol<\/li><li>Avoir des couverts \u00e0 cycles et C\/N tr\u00e8s diff\u00e9rents pour avoir une d\u00e9gradation \u00e9tal\u00e9e et continue pour le sol<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">L&rsquo;azote<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>L\u00e9gumineuse toujours suivie d&rsquo;une c\u00e9r\u00e9ale<\/li><li>Couveer court : beuacoup de l\u00e9gumineuses <\/li><li>Association c\u00e9r\u00e9ales \/ prot\u00e9agineux pour augmenter la part de l\u00e9gumineuses dans la succession culturale<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Repousses<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Repoussses de chicor\u00e9e : implatation d&rsquo;un couvert long suivi de nombreux faux semis et d&rsquo;une culture de haricot (le semis tardif permet les faux semis)<\/li><li>Ne pas mettre de c\u00e9r\u00e9ales apr\u00e8s une chicor\u00e9e<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Adventices<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Pois de conserverie ; culture  cycle tr\u00e8s court dans lequel re\u00e8s peu d&rsquo;adventices arrivent \u00e0 gr\u00e9naison<\/li><li>Utilisation de fientes et de fumier de cheval (2-3 t\/ha) avant les couverts pour avoir un couvert d\u00e9elopp\u00e9 et \u00e9touffant<\/li><li>Luzerne (2 ans) : nettoyage de la parcelle, particuli\u00e8rement efficace contre le chardon<\/li><li>Date de semis tardive des c\u00e9r\u00e9ales (apr\u00e8s 05\/11) : permet de g\u00e9rer les gramin\u00e9s adventices<\/li><li>Ajout d&rsquo;avoir avec les lentilles et f\u00e9veroles pour g\u00e9rer le salissement (triage apr\u00e8s r\u00e9colte)<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Bioagresseurs<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Lisier de porcs sur le colza : effet anti-m\u00e9lig\u00e8thes<\/li><li>Utilisation de la vari\u00e9t\u00e9 pr\u00e9coce (ES Alicia) \u00e0 environ 1\/10 de la dose ; jour le r\u00f4le d&rsquo;app\u00e2t, les m\u00e9lig\u00e9thes s&rsquo;interessant beaucoup plus aux plantes fleuries et attaquant moins le reste de la parcelle<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_012.jpg?resize=1024%2C724&#038;ssl=1\" alt=\"De nombreuses strat\u00e9gies pour construire une succession culturale en AB sans labour\" class=\"wp-image-2525\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_012.jpg?resize=1024%2C724&amp;ssl=1 1024w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_012.jpg?resize=300%2C212&amp;ssl=1 300w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_012.jpg?resize=768%2C543&amp;ssl=1 768w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_012.jpg?resize=1536%2C1086&amp;ssl=1 1536w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_012.jpg?w=1754&amp;ssl=1 1754w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption>De nombreuses strat\u00e9gies pour construire une succession culturale en AB sans labour<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Un travail superficiel pour implanter les cultures<\/h2>\n\n\n\n<p>Guillaume AGNEESSENS dispose de plusieurs mat\u00e9riels\u00a0pour g\u00e9rer l\u2019implantation :<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>un outil \u00e0 disques qu\u2019il utilise pour d\u00e9truire les couverts ou en combin\u00e9 avec le semoir pour les c\u00e9r\u00e9ales,<\/li><li>un scalpeur Terrano FG avec des pattes d\u2019oie et sans rouleau,<\/li><li>un d\u00e9compacteur pour casser la semelle de labour en p\u00e9riode de transition.<\/li><\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_013.jpg?resize=1024%2C724&#038;ssl=1\" alt=\"Un travail superficiel pour implanter les cultures\" class=\"wp-image-2526\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_013.jpg?resize=1024%2C724&amp;ssl=1 1024w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_013.jpg?resize=300%2C212&amp;ssl=1 300w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_013.jpg?resize=768%2C543&amp;ssl=1 768w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_013.jpg?resize=1536%2C1086&amp;ssl=1 1536w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_013.jpg?w=1754&amp;ssl=1 1754w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption>Un travail superficiel pour implanter les cultures<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Le scalpeur : mat\u00e9riel central du syst\u00e8me TCS Bio<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_014.jpg?resize=1024%2C724&#038;ssl=1\" alt=\"Le scalpeur : mat\u00e9riel central du syst\u00e8me TCS Bio\" class=\"wp-image-2527\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_014.jpg?resize=1024%2C724&amp;ssl=1 1024w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_014.jpg?resize=300%2C212&amp;ssl=1 300w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_014.jpg?resize=768%2C543&amp;ssl=1 768w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_014.jpg?resize=1536%2C1086&amp;ssl=1 1536w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_014.jpg?w=1754&amp;ssl=1 1754w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption>Le scalpeur : mat\u00e9riel central du syst\u00e8me TCS Bio<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Terrano FG : le scalpeur adapt\u00e9 au bio<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Description :<\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>Grands coeurs sur deux rang\u00e9es : fort recouvrement<\/li><li>Trois rang\u00e9es de herse : finalise le nivellement<\/li><li>Permet de travail au minimum \u00e0 2 &#8211; 3 cm<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Point cl\u00e9  :<\/h4>\n\n\n\n<p>Absence de rouleau : \u00e9vite que les adventices repiquent, ce qui rend l&rsquo;outil particuli\u00e8rement adapt\u00e9 \u00e0 l&rsquo;AB<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Diff\u00e9rentes utilisations<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Gestion des repousses de colza et de chicor\u00e9e (2 &#8211; 3 passages)<\/li><li>Destruction des luzernes (3 &#8211; 4 passages) en p\u00e9riode s\u00e9chante<\/li><li>Gestion des vivaces : permet de les fatiguer (rumex, chardons&#8230;) voire les \u00e9puiser ce qui \u00e9vite d&rsquo;avoir recouvrs \u00e0 du desherbage manule<\/li><li>Gestion des adventices<\/li><\/ul>\n\n\n\n<p>Pour en savoir plus sur le scalpeur, vous pouvez consulter notre <a href=\"https:\/\/normandiemaine.cerfrance.fr\/arad2\/agriculture-biologique-conservation-travailler-sol-superficillement-avec-scalpeur\/\" target=\"_blank\" rel=\"noreferrer noopener\">fiche d\u00e9di\u00e9e \u00e0 son utilisation<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Adapter les pattes d&rsquo;oie au besoin<\/h3>\n\n\n\n<p>La patte d&rsquo;oie permet de travailler l&rsquo;ensemble du sol \u00e0 la m\u00eame profondeur, contrairement aux pattes d&rsquo;oie en carbure pr\u00e9vues pour le d\u00e9chaumage. <\/p>\n\n\n\n<p>Cet \u00e9lem\u00e9ment est beuacoup plus fin et courpant : permet un scalpage efficace<\/p>\n\n\n\n<p><em>Limite : cet \u00e9l\u00e9ment s&rsquo;use plus rapidement que les pattes d&rsquo;oie en carbure.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Des perspectives encourageantes<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Le conseil de Guillaume AGNEESSENS pour passer en techniques culturales simplifi\u00e9es en syst\u00e8me AB<\/h3>\n\n\n\n<p>\u00ab Avoir un scalpeur sans rouleau est un point cl\u00e9 pour g\u00e9rer les adventices. Par ailleurs, je trouve qu\u2019il est important d\u2019avoir de beaux couverts \u00e0 cycle de d\u00e9gradation \u00e9chelonn\u00e9, afin de restaurer la fertilit\u00e9 du sol. C\u2019est pour cette raison que j\u2019augmente notamment la proportion de cultures de printemps, afin de pouvoir avoir de plus gros couverts. \u00bb<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_015.jpg?resize=1024%2C724&#038;ssl=1\" alt=\"Des perspectives encourageantes\" class=\"wp-image-2528\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_015.jpg?resize=1024%2C724&amp;ssl=1 1024w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_015.jpg?resize=300%2C212&amp;ssl=1 300w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_015.jpg?resize=768%2C543&amp;ssl=1 768w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_015.jpg?resize=1536%2C1086&amp;ssl=1 1536w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2023\/04\/Fiche-systeme_015.jpg?w=1754&amp;ssl=1 1754w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption>Des perspectives encourageantes<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Concilier agriculture biologique et agriculture de conservation dans un syst\u00e8me c\u00e9r\u00e9alier : exemple en Belgique<\/p>\n","protected":false},"author":4,"featured_media":2529,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-disable-related-posts":"","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":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[29],"tags":[],"class_list":["post-2523","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-agroecologie"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Agriculture biologique &amp; 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