{"id":13651,"date":"2019-03-26T15:05:21","date_gmt":"2019-03-26T14:05:21","guid":{"rendered":"https:\/\/www.irbab-kbivb.be\/?p=13651"},"modified":"2019-03-26T15:05:23","modified_gmt":"2019-03-26T14:05:23","slug":"preparation-du-lit-de-germination-et-semis-des-betteraves-points-dattention","status":"publish","type":"post","link":"https:\/\/www.irbab-kbivb.be\/fr\/preparation-du-lit-de-germination-et-semis-des-betteraves-points-dattention\/","title":{"rendered":"Pr\u00e9paration du lit de germination et semis des betteraves : points d\u2019attention"},"content":{"rendered":"

\"\"<\/a>Les pr\u00e9visions m\u00e9t\u00e9orologiques pour les semaines \u00e0 venir sont bonnes. Peu \u00e0 peu, les champs commencent \u00e0 s\u00e9cher, mais ils ne sont pas encore tous pr\u00eats pour d\u00e9buter la pr\u00e9paration du lit de germination. Faites attention si vous avez choisi des graines avec Force (sans NNI) dans l\u2019enrobage. Pour que Force agisse correctement, il est important de respecter une profondeur de semis constante entre 1,5 et 2,5 cm ! Si vous semez plus profond\u00e9ment, les parties souterraines de la plante ne seront pas enti\u00e8rement prot\u00e9g\u00e9es.<\/p>\n

V\u00e9rifiez les parcelles s\u00e9par\u00e9ment, il y a de grandes diff\u00e9rences entre les parcelles. Choisissez votre moment de semis en fonction des pr\u00e9visions m\u00e9t\u00e9o.\u00a0\u00a0Assurez-vous d\u2019un minimum de 36 heures de temps sec, sans pr\u00e9cipitations apr\u00e8s le semis.\u00a0Choisissez une profondeur de semis correcte en fonction des conditions m\u00e9t\u00e9orologiques. Si la pluie est pr\u00e9vue, ne semez pas trop profond\u00e9ment.<\/p>\n

Visez une population finale de 95.000 plantes par hectare (85.000 dans l\u2019argile lourde). La distance de semis d\u00e9pend de l\u2019interligne (45 ou 50 cm) et du pourcentage de lev\u00e9e attendue. Les parcelles en non-labour montrent parfois un pourcentage de lev\u00e9e l\u00e9g\u00e8rement inf\u00e9rieur \u00e0 celui des parcelles labour\u00e9es \u00e0 cause de la pr\u00e9sence de d\u00e9bris organiques dans le lit de germination. Les prairies qui ont r\u00e9cemment \u00e9t\u00e9 retourn\u00e9es peuvent aussi entra\u00eener une diminution du nombre de plantes en raison de la pr\u00e9sence d\u2019insectes du sol. Un aper\u00e7u pratique de la population attendue en fonction de la distance de semis est pr\u00e9sent\u00e9 dans\u00a0ce tableau<\/a>.<\/p>\n

Plus d\u2019informations sur les recommandations concernant la fertilisation, la pr\u00e9paration du lit de germination, les semis, la profondeur de semis et la conservation des semences de betteraves peuvent \u00eatre trouv\u00e9es dans l\u2019article \u00ab\u00a0Les points d\u2019attention pour le semis\u00a0: un bon d\u00e9part est une demi r\u00e9ussite\u00a0<\/a>\u00bb du Betteravier.<\/p>\n","protected":false},"excerpt":{"rendered":"

Les pr\u00e9visions m\u00e9t\u00e9orologiques pour les semaines \u00e0 venir sont bonnes. Peu \u00e0 peu, les champs commencent \u00e0 s\u00e9cher, mais ils ne sont pas encore tous pr\u00eats pour d\u00e9buter la pr\u00e9paration du lit de germination. Faites attention si vous avez choisi des graines avec Force (sans NNI) dans l\u2019enrobage. Pour que Force agisse correctement, il est […]<\/p>\n","protected":false},"author":3,"featured_media":13649,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":32,"footnotes":""},"categories":[2,202],"tags":[243],"class_list":["post-13651","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-betterave","category-technique-de-semis","tag-messages"],"yoast_head":"\nPr\u00e9paration du lit de germination et semis des betteraves : points d\u2019attention - IRBAB-KBIVB<\/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:\/\/www.irbab-kbivb.be\/fr\/preparation-du-lit-de-germination-et-semis-des-betteraves-points-dattention\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pr\u00e9paration du lit de germination et semis des betteraves : points d\u2019attention - IRBAB-KBIVB\" \/>\n<meta property=\"og:description\" content=\"Les pr\u00e9visions m\u00e9t\u00e9orologiques pour les semaines \u00e0 venir sont bonnes. Peu \u00e0 peu, les champs commencent \u00e0 s\u00e9cher, mais ils ne sont pas encore tous pr\u00eats pour d\u00e9buter la pr\u00e9paration du lit de germination. Faites attention si vous avez choisi des graines avec Force (sans NNI) dans l\u2019enrobage. 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