{"id":34155,"date":"2021-09-10T11:44:53","date_gmt":"2021-09-10T09:44:53","guid":{"rendered":"https:\/\/foretnature.be\/resume-foret-mail\/mesure-des-effets-de-la-compaction-sur-de-jeunes-semis-de-chene\/"},"modified":"2021-09-10T11:44:53","modified_gmt":"2021-09-10T09:44:53","slug":"mesure-des-effets-de-la-compaction-sur-de-jeunes-semis-de-chene","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/mesure-des-effets-de-la-compaction-sur-de-jeunes-semis-de-chene\/","title":{"rendered":"Mesure des effets de la compaction sur de jeunes semis de ch\u00eane"},"content":{"rendered":"<p>Une \u00e9tude men\u00e9e dans le centre de l\u2019Italie a compar\u00e9 les effets d\u2019une compaction mod\u00e9r\u00e9e du sol avec une compaction s\u00e9v\u00e8re (respectivement 10 et 25 passages d\u2019un tracteur de 2,5 tonnes) sur plusieurs param\u00e8tres li\u00e9s \u00e0 des semis de ch\u00eane p\u00e9doncul\u00e9.<br \/>\nR\u00e9sultats, de 10 \u00e0 25 passages :\u2022 nombre de pousses de croissance sur les semis : -22 %\u2022 nombre de feuilles : -22 %\u2022 biomasse des tiges : -26 %\u2022 ratio tige\/racine : -10 %\u2022 longueur de la racine principale : -24 %\u2022 longueur de la plus longue racine secondaire dans les 10 premiers centim\u00e8tres du sol : -31 %\u2022 activit\u00e9 photosynth\u00e9tique des semis : -34 %\u2022 teneur en azote des feuilles -27 %<br \/>\nLes chercheurs penchent surtout du c\u00f4t\u00e9 de la diminution de la longueur des racines pour expliquer les pertes de croissance et les r\u00e9ponses physiologiques des jeunes semis de ch\u00eane \u00e0 la compaction du sol.<br \/>\nCambi M., Hoshika Y., Mariotti B., Paoletti E., Picchio R., Venanzi R., Marchi E. (2016). Compaction by a forest machine affects soil quality and Quercus robur L. seedling performance in an experimental field. Forest Ecology and Management 384 : 406-414.<\/p>","protected":false},"excerpt":{"rendered":"<p>Une \u00e9tude men\u00e9e dans le centre de l\u2019Italie a compar\u00e9 les effets d\u2019une compaction mod\u00e9r\u00e9e du sol avec une compaction s\u00e9v\u00e8re (respectivement 10 et 25 passages d\u2019un tracteur de 2,5 tonnes) sur plusieurs param\u00e8tres li\u00e9s \u00e0 des semis de ch\u00eane p\u00e9doncul\u00e9. R\u00e9sultats, de 10 \u00e0 25 passages :\u2022 nombre de pousses de croissance sur les [&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>Mesure des effets de la compaction sur de jeunes semis de ch\u00eane - 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\/mesure-des-effets-de-la-compaction-sur-de-jeunes-semis-de-chene\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mesure des effets de la compaction sur de jeunes semis de ch\u00eane - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Une \u00e9tude men\u00e9e dans le centre de l\u2019Italie a compar\u00e9 les effets d\u2019une compaction mod\u00e9r\u00e9e du sol avec une compaction s\u00e9v\u00e8re (respectivement 10 et 25 passages d\u2019un tracteur de 2,5 tonnes) sur plusieurs param\u00e8tres li\u00e9s \u00e0 des semis de ch\u00eane p\u00e9doncul\u00e9. 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