{"id":39953,"date":"2023-09-11T10:00:50","date_gmt":"2023-09-11T08:00:50","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=39953"},"modified":"2023-09-11T10:00:50","modified_gmt":"2023-09-11T08:00:50","slug":"la-recolte-de-peupliers-a-courte-rotation-avec-du-materiel-polyvalent","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/la-recolte-de-peupliers-a-courte-rotation-avec-du-materiel-polyvalent\/","title":{"rendered":"La r\u00e9colte de peupliers \u00e0 courte rotation avec du mat\u00e9riel polyvalent"},"content":{"rendered":"<p>Afin de r\u00e9pondre au besoin croissant de fibres pour la bio\u00e9conomie, la production int\u00e9gr\u00e9e de grumes et de biomasse dans des plantations de peupliers \u00e0 courte rotation se r\u00e9pand, surtout en Europe de l&rsquo;Est. Toutefois, face au manque de capitaux parfois disponibles, des solutions de r\u00e9colte semi-m\u00e9canis\u00e9es, \u00e0 faible investissement et polyvalentes, sont \u00e0 trouver. C&rsquo;est le but de cette \u00e9tude europ\u00e9enne qui a con\u00e7u et test\u00e9 un syst\u00e8me bas\u00e9 sur deux machines peu co\u00fbteuses (une excavatrice avec une scie \u00e0 grappin et un porteur d&rsquo;occasion) et n\u00e9cessitant une main-d&rsquo;\u0153uvre minimale (deux op\u00e9rateurs seulement).<\/p>\n<p>Le syst\u00e8me a \u00e9t\u00e9 test\u00e9 en termes de productivit\u00e9, de co\u00fbt et de qualit\u00e9 du travail selon deux variantes : production de grumes de 2 ou 4 m\u00e8tres. Ce syst\u00e8me peut produire environ 3 chargements (90 t) par jour, \u00e0 un co\u00fbt compris entre 14,5 et 16 \u20ac par tonne, de la souche au d\u00e9barcad\u00e8re en bord de route, pr\u00eat pour le chargement et le transport. La variante avec des grumes de 4 m\u00e8tres \u00e9tait plus efficace, entra\u00eenant une r\u00e9duction des co\u00fbts de 10 %, soit environ 1,5 \u20ac\/t. Cependant, le rendement en grumes \u00e9tait relativement faible : entre 1\/3 et 1\/4 de la r\u00e9colte totale, le reste \u00e9tant constitu\u00e9 de biomasse de moindre valeur. Le traitement en billes de 2 m\u00e8tres offre donc un rendement en grumes plus \u00e9lev\u00e9, rendu possible gr\u00e2ce \u00e0 une technologie simple.<\/p>","protected":false},"excerpt":{"rendered":"<p>Afin de r\u00e9pondre au besoin croissant de fibres pour la bio\u00e9conomie, la production int\u00e9gr\u00e9e de grumes et de biomasse dans des plantations de peupliers \u00e0 courte rotation se r\u00e9pand, surtout en Europe de l&rsquo;Est. Toutefois, face au manque de capitaux parfois disponibles, des solutions de r\u00e9colte semi-m\u00e9canis\u00e9es, \u00e0 faible investissement et polyvalentes, sont \u00e0 trouver. [&hellip;]<\/p>","protected":false},"featured_media":39932,"template":"","categories":[50],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La r\u00e9colte de peupliers \u00e0 courte rotation avec du mat\u00e9riel polyvalent - For\u00eat.Nature<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/foretnature.be\/en\/resume-foret-mail\/la-recolte-de-peupliers-a-courte-rotation-avec-du-materiel-polyvalent\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La r\u00e9colte de peupliers \u00e0 courte rotation avec du mat\u00e9riel polyvalent - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Afin de r\u00e9pondre au besoin croissant de fibres pour la bio\u00e9conomie, la production int\u00e9gr\u00e9e de grumes et de biomasse dans des plantations de peupliers \u00e0 courte rotation se r\u00e9pand, surtout en Europe de l&rsquo;Est. Toutefois, face au manque de capitaux parfois disponibles, des solutions de r\u00e9colte semi-m\u00e9canis\u00e9es, \u00e0 faible investissement et polyvalentes, sont \u00e0 trouver. 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