{"id":426057,"date":"2025-09-29T12:30:14","date_gmt":"2025-09-29T12:30:14","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/426057\/"},"modified":"2025-09-29T12:30:14","modified_gmt":"2025-09-29T12:30:14","slug":"le-desherbage-de-precision-gagne-en-efficacite","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/426057\/","title":{"rendered":"le d\u00e9sherbage de pr\u00e9cision gagne en efficacit\u00e9"},"content":{"rendered":"<p>            Par<br \/>\n        <strong><br \/>\n            <a href=\"https:\/\/actu.fr\/auteur\/bertrand-dumarche\" title=\"Consulter tous les articles de Bertrand Dumarch\u00e9\" target=\"_blank\" rel=\"noopener\">Bertrand Dumarch\u00e9<\/a><br \/>\n        <\/strong><\/p>\n<p>        Publi\u00e9 le<\/p>\n<p>            29 sept. 2025 \u00e0 12h06        <\/p>\n<p data-end=\"373\">\u00c0 la <b>station exp\u00e9rimentale de Kergu\u00e9hennec<\/b>, les travaux men\u00e9s montrent combien le <a href=\"https:\/\/bretagne.chambres-agriculture.fr\/detail-publication\/desherbage-de-precision-la-cle-pour-un-mais-propre-et-durable\" target=\"_blank\" rel=\"noopener\"><b>d\u00e9sherbage de pr\u00e9cision<\/b><\/a> peut am\u00e9liorer l\u2019efficacit\u00e9 tout en r\u00e9duisant les intrants. Trois \u00e9tapes cl\u00e9s ont \u00e9t\u00e9 test\u00e9es.<\/p>\n<p data-end=\"753\" class=\" wall-content\">La premi\u00e8re repose sur le <b>semis de pr\u00e9cision<\/b>. Gr\u00e2ce \u00e0 un tracteur \u00e9quip\u00e9 de l\u2019autoguidage et \u00e0 l\u2019installation d\u2019un second r\u00e9cepteur directement sur le semoir, chaque ligne de semis est enregistr\u00e9e avec une pr\u00e9cision accrue. Cette donn\u00e9e est ensuite r\u00e9utilis\u00e9e pour guider la bineuse. R\u00e9sultat : une position plus fiable, m\u00eame en d\u00e9vers, avec un gain constat\u00e9 de 5 \u00e0 10\u00a0cm.<\/p>\n<p data-end=\"1192\" class=\" wall-content\">Deuxi\u00e8me \u00e9tape, le <b>d\u00e9sherbage post-lev\u00e9e localis\u00e9<\/b>. Le principe : pulv\u00e9riser uniquement autour du rang, soit environ 50 % de la surface. Cette technique r\u00e9duit l\u2019Indice de Fr\u00e9quence de Traitement (IFT), limite la quantit\u00e9 de produits utilis\u00e9s et baisse le co\u00fbt d\u2019application, tout en restant efficace. \u00ab Cela demande toutefois une grande rigueur dans l\u2019installation et une bonne qualit\u00e9 du pilotage puls\u00e9 \u00bb, pr\u00e9vient Evan Teti-Vidy.<\/p>\n<p data-end=\"1539\" class=\" wall-content\">Troisi\u00e8me levier explor\u00e9 : <b>la cartographie du taux de couverture des adventices<\/b>. Cette approche permet de cibler le traitement en fonction de l\u2019adventice pr\u00e9sente et d\u2019adapter pr\u00e9cis\u00e9ment la dose de bouillie avant le passage. Un outil pr\u00e9cieux, mais qui suppose une forte r\u00e9activit\u00e9 et une bonne connaissance des dynamiques de salissement.<\/p>\n<p data-end=\"1712\" class=\" wall-content\">Ces exp\u00e9rimentations confirment que la pr\u00e9cision, du semis au d\u00e9sherbage, est la cl\u00e9 pour concilier efficacit\u00e9 agronomique, r\u00e9duction des intrants et ma\u00eetrise des co\u00fbts.<\/p>\n<p class=\" wall-content\">Personnalisez votre actualit\u00e9 en ajoutant vos villes et m\u00e9dias en favori avec <a href=\"https:\/\/moncompte.actu.fr\" title=\"D\u00e9couvez Mon Actu\" rel=\"nofollow noopener\" data-trk=\"{&quot;cta&quot;:{&quot;action&quot;:&quot;https:\\\/\\\/moncompte.actu.fr&quot;,&quot;category&quot;:&quot;mon compte&quot;,&quot;from&quot;:&quot;article footer&quot;,&quot;name&quot;:&quot;Mon actu&quot;,&quot;type&quot;:&quot;cta&quot;}}\" target=\"_blank\">Mon Actu<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"Par Bertrand Dumarch\u00e9 Publi\u00e9 le 29 sept. 2025 \u00e0 12h06 \u00c0 la station exp\u00e9rimentale de Kergu\u00e9hennec, les travaux&hellip;\n","protected":false},"author":2,"featured_media":426058,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2821],"tags":[1111,11,327,829,33,1777,674,1011,27,223,12,584,25,49243],"class_list":{"0":"post-426057","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-rennes","8":"tag-actu","9":"tag-actualites","10":"tag-agriculture","11":"tag-bretagne","12":"tag-economie","13":"tag-eu","14":"tag-europe","15":"tag-fr","16":"tag-france","17":"tag-intelligence-artificielle","18":"tag-news","19":"tag-rennes","20":"tag-republique-francaise","21":"tag-space-rennes"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@fr\/115287597073166131","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/426057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/comments?post=426057"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/426057\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media\/426058"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media?parent=426057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/categories?post=426057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/tags?post=426057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}