{"id":44512,"date":"2024-10-23T16:45:20","date_gmt":"2024-10-23T14:45:20","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=article-foret-nature&#038;p=44512"},"modified":"2024-10-23T16:45:20","modified_gmt":"2024-10-23T14:45:20","slug":"instabilite-et-courbure-basale-des-jeunes-peuplements-de-douglas-evaluation-du-role-exerce-par-le-systeme-racinaire","status":"publish","type":"article-foret-nature","link":"https:\/\/foretnature.be\/en\/article-foret-nature\/instabilite-et-courbure-basale-des-jeunes-peuplements-de-douglas-evaluation-du-role-exerce-par-le-systeme-racinaire\/","title":{"rendered":"Instabilit\u00e9 et courbure basale des jeunes peuplements de douglas : \u00e9valuation du r\u00f4le exerc\u00e9 par le syst\u00e8me racinaire"},"content":{"rendered":"<p>Une exploration du syst\u00e8me racinaire de jeunes douglas droits et courb\u00e9s a \u00e9t\u00e9 men\u00e9e afin d\u2019identifier les causes de ce probl\u00e8me. Le peuplement de douglas choisi est situ\u00e9 en Ardenne m\u00e9ridionale (Wallonie). Il a 15 ans, une hauteur dominante de 14, 8 m\u00e8tres et a \u00e9t\u00e9 plant\u00e9 en S2R2 \u00e0 une densit\u00e9 de 2 500 plants par hectare. La m\u00e9thode d\u2019exploration a consist\u00e9 \u00e0 compter et mesurer les racines dans deux fosses de 40 cm de profondeur et 90 cm de large par arbre, une dans le sens de la courbure et l\u2019autre \u00e0 l\u2019oppos\u00e9. Des arbres droits voisins ont subi le m\u00eame comptage. Les r\u00e9sultats montrent que le diam\u00e8tre moyen des racines, la surface racinaire totale et celle du c\u00f4t\u00e9 expos\u00e9 aux vents dominants des arbres courb\u00e9s sont significativement inf\u00e9rieurs \u00e0 ceux des arbres droits. De plus, le syst\u00e8me racinaire des arbres courb\u00e9s a tendance \u00e0 \u00eatre moins sym\u00e9trique que celui des arbres droits. Les auteurs insistent sur la bonne qualit\u00e9 des plants, et sp\u00e9cialement celle du chevelu racinaire, pour assurer le succ\u00e8s de la future plantation.<\/p>","protected":false},"excerpt":{"rendered":"<p>Une exploration du syst\u00e8me racinaire de jeunes douglas droits et courb\u00e9s a \u00e9t\u00e9 men\u00e9e afin d\u2019identifier les causes de ce probl\u00e8me. Le peuplement de douglas choisi est situ\u00e9 en Ardenne m\u00e9ridionale (Wallonie). Il a 15 ans, une hauteur dominante de 14, 8 m\u00e8tres et a \u00e9t\u00e9 plant\u00e9 en S2R2 \u00e0 une densit\u00e9 de 2 500 [&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>Instabilit\u00e9 et courbure basale des jeunes peuplements de douglas : \u00e9valuation du r\u00f4le exerc\u00e9 par le syst\u00e8me racinaire - 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\/article-foret-nature\/instabilite-et-courbure-basale-des-jeunes-peuplements-de-douglas-evaluation-du-role-exerce-par-le-systeme-racinaire\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Instabilit\u00e9 et courbure basale des jeunes peuplements de douglas : \u00e9valuation du r\u00f4le exerc\u00e9 par le syst\u00e8me racinaire - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Une exploration du syst\u00e8me racinaire de jeunes douglas droits et courb\u00e9s a \u00e9t\u00e9 men\u00e9e afin d\u2019identifier les causes de ce probl\u00e8me. Le peuplement de douglas choisi est situ\u00e9 en Ardenne m\u00e9ridionale (Wallonie). Il a 15 ans, une hauteur dominante de 14, 8 m\u00e8tres et a \u00e9t\u00e9 plant\u00e9 en S2R2 \u00e0 une densit\u00e9 de 2 500 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/foretnature.be\/en\/article-foret-nature\/instabilite-et-courbure-basale-des-jeunes-peuplements-de-douglas-evaluation-du-role-exerce-par-le-systeme-racinaire\/\" \/>\n<meta property=\"og:site_name\" content=\"For\u00eat.Nature\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/foretnature.be\/en\/article-foret-nature\/instabilite-et-courbure-basale-des-jeunes-peuplements-de-douglas-evaluation-du-role-exerce-par-le-systeme-racinaire\/\",\"url\":\"https:\/\/foretnature.be\/en\/article-foret-nature\/instabilite-et-courbure-basale-des-jeunes-peuplements-de-douglas-evaluation-du-role-exerce-par-le-systeme-racinaire\/\",\"name\":\"Instabilit\u00e9 et courbure basale des jeunes peuplements de douglas : \u00e9valuation du r\u00f4le exerc\u00e9 par le syst\u00e8me racinaire - For\u00eat.Nature\",\"isPartOf\":{\"@id\":\"https:\/\/foretnature.be\/#website\"},\"datePublished\":\"2024-10-23T14:45:20+00:00\",\"dateModified\":\"2024-10-23T14:45:20+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/foretnature.be\/en\/article-foret-nature\/instabilite-et-courbure-basale-des-jeunes-peuplements-de-douglas-evaluation-du-role-exerce-par-le-systeme-racinaire\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/foretnature.be\/en\/article-foret-nature\/instabilite-et-courbure-basale-des-jeunes-peuplements-de-douglas-evaluation-du-role-exerce-par-le-systeme-racinaire\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/foretnature.be\/en\/article-foret-nature\/instabilite-et-courbure-basale-des-jeunes-peuplements-de-douglas-evaluation-du-role-exerce-par-le-systeme-racinaire\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/foretnature.be\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Instabilit\u00e9 et courbure basale des jeunes peuplements de douglas : \u00e9valuation du r\u00f4le exerc\u00e9 par le syst\u00e8me racinaire\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/foretnature.be\/#website\",\"url\":\"https:\/\/foretnature.be\/\",\"name\":\"For\u00eat.Nature\",\"description\":\"Une \u00e9quipe technique au service de la for\u00eat\",\"publisher\":{\"@id\":\"https:\/\/foretnature.be\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/foretnature.be\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/foretnature.be\/#organization\",\"name\":\"For\u00eat.Nature\",\"url\":\"https:\/\/foretnature.be\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/foretnature.be\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/foretnature.be\/wp-content\/uploads\/2021\/01\/logoFOblanc.png\",\"contentUrl\":\"https:\/\/foretnature.be\/wp-content\/uploads\/2021\/01\/logoFOblanc.png\",\"width\":300,\"height\":151,\"caption\":\"For\u00eat.Nature\"},\"image\":{\"@id\":\"https:\/\/foretnature.be\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Instabilit\u00e9 et courbure basale des jeunes peuplements de douglas : \u00e9valuation du r\u00f4le exerc\u00e9 par le syst\u00e8me racinaire - 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\/instabilite-et-courbure-basale-des-jeunes-peuplements-de-douglas-evaluation-du-role-exerce-par-le-systeme-racinaire\/","og_locale":"en_GB","og_type":"article","og_title":"Instabilit\u00e9 et courbure basale des jeunes peuplements de douglas : \u00e9valuation du r\u00f4le exerc\u00e9 par le syst\u00e8me racinaire - For\u00eat.Nature","og_description":"Une exploration du syst\u00e8me racinaire de jeunes douglas droits et courb\u00e9s a \u00e9t\u00e9 men\u00e9e afin d\u2019identifier les causes de ce probl\u00e8me. 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