{"id":32967,"date":"2021-06-03T10:40:03","date_gmt":"2021-06-03T08:40:03","guid":{"rendered":"https:\/\/gjkkadksm.preview.infomaniak.website\/?post_type=resume-foret-mail&#038;p=32967"},"modified":"2021-06-03T10:40:03","modified_gmt":"2021-06-03T08:40:03","slug":"qui-seme-des-glands-recolte-des-chenes","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/qui-seme-des-glands-recolte-des-chenes\/","title":{"rendered":"Qui s\u00e8me des glands r\u00e9colte des ch\u00eanes"},"content":{"rendered":"<p class=\"text-build-content\" data-testid=\"m9LC61rhw4\">Le semis direct \u00e9tait largement pratiqu\u00e9 jusqu\u2019au 18\u00e8me si\u00e8cle, avant de s\u2019\u00e9clipser au profit des plantations. Il conna\u00eet un certain essor depuis quelques ann\u00e9es pour diverses raisons. Une enqu\u00eate suisse, r\u00e9alis\u00e9e en 2020, analyse les r\u00e9sultats de plusieurs dizaines d\u2019exp\u00e9riences de semis direct. La moiti\u00e9 des exp\u00e9riences recens\u00e9es sont r\u00e9alis\u00e9es sur des coupes rases. Un tiers ont comme objectif un enrichissement du peuplement existant et un quart visent \u00e0 initier un rajeunissement apr\u00e8s une \u00e9claircie.<\/p>\n<p class=\"text-build-content\" data-testid=\"m9LC61rhw4\">Pr\u00e8s de 70% des cas montrent des r\u00e9sultats satisfaisants \u00e0 tr\u00e8s bons, surtout pour le ch\u00eane, le noyer et le ch\u00e2taignier. Le reste montrant des r\u00e9sultats mitig\u00e9s, surtout pour le sapin pectin\u00e9, l\u2019\u00e9pic\u00e9a, le h\u00eatre et le sorbier des oiseleurs.<\/p>\n<p class=\"text-build-content\" data-testid=\"m9LC61rhw4\">Les avantages du semis directs sont multiples : meilleure stabilit\u00e9 de la plante par rapport aux plantations, acc\u00e9l\u00e9ration de la propagation des essences \u00e0 semence lourde, enrichissement avec de nouvelles essences, richesse g\u00e9n\u00e9tique, grande quantit\u00e9 de tiges qui favorisent un \u00e9lagage naturel, r\u00e9action rapide (ind\u00e9pendamment de la disponibilit\u00e9 des plants en p\u00e9pini\u00e8re). Le semis direct offre en outre une opportunit\u00e9 de r\u00e9aliser des projets d\u2019\u00e9ducation \u00e0 l\u2019environnement.<\/p>\n<p class=\"text-build-content\" data-testid=\"m9LC61rhw4\">En termes de co\u00fbt, ils sont faibles pour la r\u00e9colte et le stockage (voir nul pour le stockage si le semis est r\u00e9alis\u00e9 imm\u00e9diatement). Les entretiens l\u2019ann\u00e9e suivant le semis peuvent cependant effacer la diff\u00e9rence de co\u00fbt avec la plantation (fauchage des herbes et des ronces dans certains contextes).<\/p>\n<p class=\"text-build-content\" data-testid=\"m9LC61rhw4\">Quelques id\u00e9es de dispersion originales ont \u00e9t\u00e9 test\u00e9es avec succ\u00e8s : des caisses remplies de glands mises \u00e0 disposition des geais, qui vont en cacher une grande quantit\u00e9 al\u00e9atoirement dans le peuplement ; chien domestique \u00e9quip\u00e9 d\u2019une sacoche remplie de semences qu\u2019il va disperser au gr\u00e9 de ses d\u00e9placements, semis sur neige, etc.<\/p>","protected":false},"excerpt":{"rendered":"<p>Le semis direct \u00e9tait largement pratiqu\u00e9 jusqu\u2019au 18\u00e8me si\u00e8cle, avant de s\u2019\u00e9clipser au profit des plantations. Il conna\u00eet un certain essor depuis quelques ann\u00e9es pour diverses raisons. Une enqu\u00eate suisse, r\u00e9alis\u00e9e en 2020, analyse les r\u00e9sultats de plusieurs dizaines d\u2019exp\u00e9riences de semis direct. La moiti\u00e9 des exp\u00e9riences recens\u00e9es sont r\u00e9alis\u00e9es sur des coupes rases. Un [&hellip;]<\/p>","protected":false},"featured_media":0,"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>Qui s\u00e8me des glands r\u00e9colte des ch\u00eanes - 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\/qui-seme-des-glands-recolte-des-chenes\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qui s\u00e8me des glands r\u00e9colte des ch\u00eanes - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Le semis direct \u00e9tait largement pratiqu\u00e9 jusqu\u2019au 18\u00e8me si\u00e8cle, avant de s\u2019\u00e9clipser au profit des plantations. Il conna\u00eet un certain essor depuis quelques ann\u00e9es pour diverses raisons. Une enqu\u00eate suisse, r\u00e9alis\u00e9e en 2020, analyse les r\u00e9sultats de plusieurs dizaines d\u2019exp\u00e9riences de semis direct. La moiti\u00e9 des exp\u00e9riences recens\u00e9es sont r\u00e9alis\u00e9es sur des coupes rases. 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