{"id":1521,"date":"2022-04-06T10:34:56","date_gmt":"2022-04-06T08:34:56","guid":{"rendered":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/?p=1521"},"modified":"2023-03-07T09:23:53","modified_gmt":"2023-03-07T08:23:53","slug":"essais-soja-prometteurs","status":"publish","type":"post","link":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/essais-soja-prometteurs\/","title":{"rendered":"Essais de soja prometteurs"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Des essais de soja dans l\u2019Orne prometteurs&nbsp;!<\/h1>\n\n\n\n<p>Le <strong>soja, atout agronomique et source de prot\u00e9ine<\/strong>, est une l\u00e9gumineuse de printemps adapt\u00e9e aux sols profonds. Cette culture constitue un bon pr\u00e9c\u00e9dent de par sa nature et son syst\u00e8me racinaire. Le groupe Avenir Colmont compos\u00e9 de 13 \u00e9leveurs principalement laitiers et accompagn\u00e9 par le <strong>Cerfrance Orne a men\u00e9 en 2021 deux essais<\/strong> sur cette culture. Leur objectif&nbsp;: <strong>\u00e9tudier sa faisabilit\u00e9 technique dans le contexte ornais en vue de l\u2019int\u00e9grer dans leur assolement<\/strong>. En effet, cette culture r\u00e9pond pleinement \u00e0 l\u2019<strong>enjeu de r\u00e9duction des intrants<\/strong> port\u00e9 par le bassin versant de la Colmont car elle ne n\u00e9cessite ni fertilisation azot\u00e9e, ni fongicide et insecticide et est valorisable dans l\u2019alimentation animale. Des <strong>limites techniques restent toutefois \u00e0 lever notamment pour am\u00e9liorer le niveau de rendement,<\/strong> encore un peu juste pour que le soja soit \u00e9conomiquement int\u00e9ressant.<\/p>\n\n\n<div class=\"_3d-flip-book  fb3d-fullscreen-mode full-size\" data-id=\"1519\" data-mode=\"fullscreen\" data-title=\"false\" data-template=\"short-white-book-view\" data-lightbox=\"dark-shadow\" data-urlparam=\"fb3d-page\" data-page-n=\"0\" data-pdf=\"\" data-tax=\"null\" data-thumbnail=\"\" data-cols=\"3\" data-book-template=\"default\" data-trigger=\"\"><\/div><script type=\"text\/javascript\">window.FB3D_CLIENT_DATA = window.FB3D_CLIENT_DATA || [];FB3D_CLIENT_DATA.push('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');window.FB3D_CLIENT_LOCALE && FB3D_CLIENT_LOCALE.render && FB3D_CLIENT_LOCALE.render();<\/script>\n\n\n\n<h2 class=\"wp-block-heading\">Essai chez Lo\u00efc&nbsp;: quelques difficult\u00e9s de d\u00e9sherbage<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Pr\u00e9sentation de l&rsquo;essai soja chez Lo\u00efc<\/h3>\n\n\n\n<p>Lo\u00efc \u00e9leveur laitier a implant\u00e9 <strong>deux hectares de soja<\/strong> avec un <strong>semoir \u00e0 c\u00e9r\u00e9ales <\/strong>(un godet sur deux) avec <strong>herse rotative<\/strong>. La<strong> parcelle a \u00e9t\u00e9 roul\u00e9e <\/strong>afin d\u2019avoir une surface plane favorisant la lev\u00e9e et la r\u00e9colte. <strong>Aucune fertilisation<\/strong> NPK n\u2019a \u00e9t\u00e9 effectu\u00e9e. L\u2019exploitation poss\u00e8de des sols bien pourvus en phosphore et potasse du fait de l&rsquo;apport r\u00e9gulier d\u2019effluents d\u2019\u00e9levage.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Semis<\/td><td class=\"has-text-align-center\" data-align=\"center\">27\/04\/2021<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Vari\u00e9t\u00e9<\/td><td class=\"has-text-align-center\" data-align=\"center\">Nessie PZO<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Pr\u00e9cocit\u00e9 vari\u00e9tale<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u201c000\u201d<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Densit\u00e9 semis<\/td><td class=\"has-text-align-center\" data-align=\"center\">70gr\/m\u00b2<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Sol<\/td><td class=\"has-text-align-center\" data-align=\"center\">Limon 50 cm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Densit\u00e9 au 15\/06\/2021<\/td><td class=\"has-text-align-center\" data-align=\"center\">60\/65 gr au m\u00b2<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">R\u00e9colte<\/td><td class=\"has-text-align-center\" data-align=\"center\">28\/10\/2021<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Rendement et humidit\u00e9<\/td><td class=\"has-text-align-center\" data-align=\"center\">23 q\/ha \u00e0 20% d\u2019humidit\u00e9<\/td><\/tr><\/tbody><\/table><figcaption>Description de l&rsquo;essai soja chez Lo\u00efc<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">L\u2019avis de Lo\u00efc sur l&rsquo;essai soja<\/h3>\n\n\n\n<p>\u00ab&nbsp;Un <strong>essai r\u00e9ussi malgr\u00e9 quelques difficult\u00e9s<\/strong>. J\u2019ai un probl\u00e8me au rattrapage d\u00e9sherbage. Le stade de la culture \u00e9tait trop d\u00e9velopp\u00e9 (&gt; quatre feuilles) et le rattrapage se s\u2019est pas fait dans les meilleures conditions (pas de pluie dans les cinq jours et temp\u00e9rature plus \u00e9lev\u00e9e). Je pense que la culture a \u00e9t\u00e9 <strong>p\u00e9nalis\u00e9e par le traitement mais le salissement aurait \u00e9galement eu un impact<\/strong>. Le semis a \u00e9t\u00e9 fait en tr\u00e8s bonne condition avec une bonne lev\u00e9e et une bonne densit\u00e9.<\/p>\n\n\n\n<p>Pour moi, l\u2019int\u00e9r\u00eat \u00e9tait de faire un <strong>essai du semis \u00e0 la valorisation alimentaire par les animaux de l\u2019exploitation avec du soja broy\u00e9<\/strong>. J\u2019ai constat\u00e9 une baisse de taux. Ces observations sont \u00e0 suivre.<\/p>\n\n\n\n<p>Il serait int\u00e9ressant d<strong>\u2019am\u00e9liorer la gestion des r\u00e9sidus de r\u00e9colte<\/strong> en pr\u00e9voyant un broyeur sur la moissonneuse batteuse ou en les r\u00e9coltant et \u00e9galement d\u2019optimiser les conditions du rattrapage d\u00e9sherbage. J\u2019ai pr\u00e9vu d\u2019implanter de nouveau du soja en 2022.&nbsp;\u00bb<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Essai chez Guy&nbsp;: un semis \u00e0 am\u00e9liorer mais un bon produit final<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Pr\u00e9sentation de l&rsquo;essai soja chez Guy<\/h3>\n\n\n\n<p>Guy \u00e9leveur laitier a implant\u00e9 \u00e9galement <strong>deux hectares de soja<\/strong> avec un <strong>semoir \u00e0 c\u00e9r\u00e9ales<\/strong> (un godet sur deux) avec <strong>herse<\/strong>. <strong>Aucune fertilisation NPK<\/strong> n\u2019a \u00e9t\u00e9 effectu\u00e9e. L\u2019exploitation poss\u00e8de des sols bien pourvus en phosphore et potasse du fait de l&rsquo;<strong>apport r\u00e9gulier d\u2019effluents d\u2019\u00e9levage<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Semis<\/td><td class=\"has-text-align-center\" data-align=\"center\">27\/04\/2021<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Vari\u00e9t\u00e9<\/td><td class=\"has-text-align-center\" data-align=\"center\">Nessie PZO<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Pr\u00e9cocit\u00e9 vari\u00e9tale<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u201c000\u201d<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Densit\u00e9 semis<\/td><td class=\"has-text-align-center\" data-align=\"center\">65gr\/m\u00b2<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Sol<\/td><td class=\"has-text-align-center\" data-align=\"center\">Limon profond (&gt;1m)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Densit\u00e9 au 15\/06\/2021<\/td><td class=\"has-text-align-center\" data-align=\"center\">30\/35 gr au m\u00b2<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">R\u00e9colte<\/td><td class=\"has-text-align-center\" data-align=\"center\">28\/10\/2021<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Rendement et humidit\u00e9<\/td><td class=\"has-text-align-center\" data-align=\"center\">17 q\/ha \u00e0 17,5% d\u2019humidit\u00e9<\/td><\/tr><\/tbody><\/table><figcaption>Description de l&rsquo;essai soja chez Guy<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">L\u2019avis de Guy sur l&rsquo;essai soja<\/h3>\n\n\n\n<p>\u00ab&nbsp;L<strong>\u2019essai est globalement r\u00e9ussi<\/strong>. Nous avons un <strong>produit utilisable et commercialisable <\/strong>avec une ma\u00eetrise du semis \u00e0 la valorisation. J\u2019ai rencontr\u00e9 certaines difficult\u00e9s et fais des constats notamment un <strong>semis trop en surface<\/strong> 2\/3 cm. Un <strong>roulage aurait peut-\u00eatre favoris\u00e9 la lev\u00e9e et la r\u00e9colte<\/strong>. Une attaque importante de pigeons a entra\u00een\u00e9 environ 50 % de perte de pieds.<\/p>\n\n\n\n<p>Le <strong>rattrapage d\u00e9sherbage est \u00e0 am\u00e9liorer<\/strong> en terme de positionnement et avec des conditions climatiques plus adapt\u00e9es.<\/p>\n\n\n\n<p>La r\u00e9colte a \u00e9t\u00e9 assez facile m\u00eame \u00e0 cette p\u00e9riode. 48 h sans pluie permet une r\u00e9colte correcte cette ann\u00e9e avec 17,5 % d\u2019humidit\u00e9.<\/p>\n\n\n\n<p>La valorisation du<strong> soja est adapt\u00e9e pour l\u2019engraissement de g\u00e9nisses<\/strong> puisque que l\u2019on un soja plus riche en UF et avec moins de prot\u00e9ine que le soja 48 selon l\u2019analyse r\u00e9alis\u00e9e.&nbsp;\u00bb<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Un co\u00fbt suppl\u00e9mentaire d\u2019environ 310 \u20ac par hectare<\/h2>\n\n\n\n<p>Pour ces deux essais 2021, la <strong>production de soja \u00e0 20 q \/ ha sur l\u2019exploitation<\/strong> engendre un<strong> co\u00fbt suppl\u00e9mentaire d\u2019environ 310 \u20ac par hectare par rapport \u00e0 l\u2019implantation d\u2019un hectare de bl\u00e9.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Produits en +<\/strong> <br>prime PAC soja : 30 \u20ac<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Produits en &#8211;<\/strong> <br>1 ha de bl\u00e9 vendu (80 quintaux) : 775 \u20ac<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Charges en &#8211;<\/strong> <br>2 t de soja 48 \u00e0 550 \u20ac : 1 100 \u20ac Engrais en moins sur culture suivante: 20 Unit\u00e9s \u00e0 1,5 \u20ac : 30 \u20ac<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Charges en +<\/strong> <br>Charges op\u00e9 soja 1 ha (consommation animale) : 695 \u20ac<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1 160 \u20ac<\/td><td class=\"has-text-align-center\" data-align=\"center\">1 470 \u20ac<\/td><\/tr><\/tbody><\/table><figcaption>Int\u00e9r\u00eat d\u2019un hectare de soja avec un rendement de 20 q \/ ha et un prix de tourteau de soja \u00e0 550 \u20ac \/ t \u00e0 niveau de production laiti\u00e8re et taux identiques<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Trouver son point d\u2019\u00e9quilibre\u2026<\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" width=\"940\" height=\"269\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2022\/04\/Point-equlibre-culture-soja.png?resize=940%2C269&#038;ssl=1\" alt=\"Point d'\u00e9quilibre entre le soja achet\u00e9 et le rendement soja\" class=\"wp-image-1522\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2022\/04\/Point-equlibre-culture-soja.png?w=940&amp;ssl=1 940w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2022\/04\/Point-equlibre-culture-soja.png?resize=300%2C86&amp;ssl=1 300w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2022\/04\/Point-equlibre-culture-soja.png?resize=768%2C220&amp;ssl=1 768w\" sizes=\"(max-width: 940px) 100vw, 940px\" \/><figcaption>Point \u00e9quilibre soja &#8211; @<a href=\"https:\/\/www.cerfrance.fr\/agence-expert-comptable\/cerfrance-orne\/alencon\" target=\"_blank\" rel=\"noreferrer noopener\">Cerfrance Orne<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p>En vert, les situations favorables \u00e0 la culture du soja. ll n\u2019est pas consid\u00e9r\u00e9 dans ces donn\u00e9es la diff\u00e9rence d&#8217;empreinte carbone et l\u2019utilisation de semences non OGM entre un soja br\u00e9silien et un soja de Mantilly (61)&#8230;<\/p>\n\n\n\n<p><strong>Pour rendre le soja plus attractif dans le contexte ornais, il faut am\u00e9liorer les rendements obtenus en travaillant sur la qualit\u00e9 d\u2019implantation ou encore la gestion du d\u00e9sherbage.<\/strong><\/p>\n\n\n\n<p>Retrouvez toutes nos publications sur la <a href=\"https:\/\/normandiemaine.cerfrance.fr\/arad2\/category\/reductions-dintrants-en-cultures-et-en-elevage\/\" target=\"_blank\" rel=\"noreferrer noopener\">r\u00e9duction des intrants en cultures et en \u00e9levage <\/a>sur notre site internet.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e9sultats prometteurs pour les essais de soja men\u00e9s dans l&rsquo;Orne par Cerfrance.<\/p>\n","protected":false},"author":4,"featured_media":1523,"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 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