{"id":33139,"date":"2021-06-08T13:49:02","date_gmt":"2021-06-08T11:49:02","guid":{"rendered":"https:\/\/gjkkadksm.preview.infomaniak.website\/?post_type=article-foret-nature&#038;p=33139"},"modified":"2024-10-24T10:29:17","modified_gmt":"2024-10-24T08:29:17","slug":"evaluation-de-linteret-dune-preparation-mecanisee-resultats-dun-essai-de-semis-artificiel-de-pin-sylvestre-dans-les-vosges","status":"publish","type":"article-foret-nature","link":"https:\/\/foretnature.be\/en\/article-foret-nature\/evaluation-de-linteret-dune-preparation-mecanisee-resultats-dun-essai-de-semis-artificiel-de-pin-sylvestre-dans-les-vosges\/","title":{"rendered":"\u00c9valuation de l\u2019int\u00e9r\u00eat d\u2019une pr\u00e9paration m\u00e9canis\u00e9e. R\u00e9sultats d\u2019un essai de semis artificiel de pin sylvestre dans les Vosges"},"content":{"rendered":"<p>\u00c0 la suite des d\u00e9p\u00e9rissements massifs r\u00e9sultant d\u2019\u00e9pisodes de s\u00e9cheresses r\u00e9p\u00e9t\u00e9s et de pullulations de scolytes dans le Nord-Est de la France et les r\u00e9gions limitrophes, les besoins de renouvellement sont importants. Dans un contexte particuli\u00e8rement incertain, les forestiers sont parfois tent\u00e9s d\u2019innover en mobilisant \u00e0 nouveau une technique de reboisement ancestrale mais largement d\u00e9laiss\u00e9e : le semis artificiel.<\/p>\n<p>Nous pr\u00e9sentons ici les r\u00e9sultats d\u2019un essai exp\u00e9rimental r\u00e9cent visant \u00e0 \u00e9valuer l\u2019effet d\u2019une pr\u00e9paration m\u00e9canis\u00e9e du site sur la r\u00e9ussite d\u2019un semis de pin sylvestre dans les Vosges. Apr\u00e8s 4 ann\u00e9es, la combinaison d\u2019un d\u00e9capage et une scarification superficielle du sol, r\u00e9alis\u00e9s par un outil mont\u00e9 sur mini-pelle, a permis de multiplier par quatre le taux d\u2019installation des semis de pin par rapport \u00e0 l\u2019absence de pr\u00e9paration du lit de semence. Le taux d\u2019installation passe ainsi de 5 \u00e0 20 %.<\/p>\n<p>La tr\u00e8s forte variabilit\u00e9 spatiale des r\u00e9sultats confirme le caract\u00e8re al\u00e9atoire et d\u00e9licat du semis artificiel. Les difficult\u00e9s \u00e0 mettre en \u00e9vidence des gains \u00e9conomiques importants par quelques \u00e9l\u00e9ments d\u2019analyse comparative par rapport \u00e0 la plantation nous incitent \u00e0 la prudence quant \u00e0 la promotion du semis artificiel de r\u00e9sineux.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00c0 la suite des d\u00e9p\u00e9rissements massifs r\u00e9sultant d\u2019\u00e9pisodes de s\u00e9cheresses r\u00e9p\u00e9t\u00e9s et de pullulations de scolytes dans le Nord-Est de la France et les r\u00e9gions limitrophes, les besoins de renouvellement sont importants. Dans un contexte particuli\u00e8rement incertain, les forestiers sont parfois tent\u00e9s d\u2019innover en mobilisant \u00e0 nouveau une technique de reboisement ancestrale mais largement d\u00e9laiss\u00e9e [&hellip;]<\/p>","protected":false},"featured_media":0,"template":"","categories":[49],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00c9valuation de l\u2019int\u00e9r\u00eat d\u2019une pr\u00e9paration m\u00e9canis\u00e9e. 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R\u00e9sultats d\u2019un essai de semis artificiel de pin sylvestre dans les Vosges - For\u00eat.Nature","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/foretnature.be\/en\/article-foret-nature\/evaluation-de-linteret-dune-preparation-mecanisee-resultats-dun-essai-de-semis-artificiel-de-pin-sylvestre-dans-les-vosges\/","og_locale":"en_GB","og_type":"article","og_title":"\u00c9valuation de l\u2019int\u00e9r\u00eat d\u2019une pr\u00e9paration m\u00e9canis\u00e9e. 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