{"id":3666,"date":"2014-10-13T11:04:25","date_gmt":"2014-10-13T10:04:25","guid":{"rendered":"https:\/\/viavegetale.com\/?page_id=3666"},"modified":"2020-03-04T09:58:12","modified_gmt":"2020-03-04T08:58:12","slug":"physiology","status":"publish","type":"page","link":"https:\/\/viavegetale.com\/en\/about-nitrogen\/physiology\/","title":{"rendered":"Physiology"},"content":{"rendered":"<section class=\"l-section wpb_row us_custom_e11ab399 height_small\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_middle type_default stacking_default\"><div class=\"vc_col-sm-6 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><h1 class=\"w-post-elm post_title us_custom_607cd7e8 entry-title color_link_inherit\">Physiology<\/h1><\/div><\/div><\/div><div class=\"vc_col-sm-6 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><nav class=\"g-breadcrumbs us_custom_ea2be81a separator_icon align_right\" itemscope itemtype=\"http:\/\/schema.org\/BreadcrumbList\"><div class=\"g-breadcrumbs-item\" itemscope itemprop=\"itemListElement\" itemtype=\"http:\/\/schema.org\/ListItem\"><a itemprop=\"item\" href=\"https:\/\/viavegetale.com\/en\/\"><span itemprop=\"name\">Home<\/span><\/a><meta itemprop=\"position\" content=\"1\"\/><\/div><div class=\"g-breadcrumbs-separator\"><i class=\"far fa-angle-right\"><\/i><\/div><div class=\"g-breadcrumbs-item\">Pages<\/div><\/nav><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h6 style=\"text-align: center\">Il est important de consid\u00e9rer quelques \u00e9l\u00e9ments cl\u00e9s de la physiologie du bl\u00e9 pour comprendre les m\u00e9canismes de formation de rendement et de qualit\u00e9.<\/h6>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-8 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h3>R\u00e9gression des fleurs et stade de d\u00e9termination du nombre de grains d\u00e9finitif :<\/h3>\n<p>Apr\u00e8s l&#8217;\u00e9piaison, le nombre de grains n&#8217;est pas encore totalement d\u00e9fini. Les fleurs f\u00e9cond\u00e9es sont alors soumises \u00e0 une r\u00e9gression naturelle qui d\u00e9termine le nombre d\u00e9finitif de grains mis en place par \u00e9pillet.<br \/>\nAvec Balsamo, l&#8217;apport d&#8217;azote directement assimilable r\u00e9duit la comp\u00e9tition alimentaire qui r\u00e8gne au niveau des \u00e9pis et influence ce ph\u00e9nom\u00e8ne. Ceci permet notamment une meilleure valorisation de l&#8217;eau pr\u00e9sente dans les tissus (notamment en cas de stress hydrique). Par suite, cela est directement influent sur le rendement via le nombre de grains sans compensation n\u00e9gative sur le remplissage.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-image align_none\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"502\" height=\"372\" src=\"https:\/\/viavegetale.com\/wp-content\/uploads\/2014\/10\/post_epiaison.jpg\" class=\"attachment-full size-full\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/viavegetale.com\/wp-content\/uploads\/2014\/10\/post_epiaison.jpg 502w, https:\/\/viavegetale.com\/wp-content\/uploads\/2014\/10\/post_epiaison-300x222.jpg 300w, https:\/\/viavegetale.com\/wp-content\/uploads\/2014\/10\/post_epiaison-269x200.jpg 269w\" sizes=\"auto, (max-width: 502px) 100vw, 502px\" \/><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_medium color_alternate\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h3 style=\"text-align: center\">Echaudage<\/h3>\n<p>La sur-fertilisation courant montaison fait consommer \u00e0 la plante plus d&#8217;eau. Ceci accroit le risque d&#8217;\u00e9chaudage si les conditions s&#8217;enchainent et se succ\u00e8dent dans un scenario favorable \u00e0 ce ph\u00e9nom\u00e8ne. Chaque Kg d&#8217;azote suppl\u00e9mentaire augmente l&#8217;\u00e9vapotranspiration au d\u00e9triment de la r\u00e9serve restant \u00e0 consommer en fin de cycle.<br \/>\nAvec Balsamo, l&#8217;eau pr\u00e9sente dans les tissus chlorophylliens situ\u00e9s \u00e0 proximit\u00e9 du grain suffit \u00e0 valoriser la pulv\u00e9risation permise par son principe actif.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h3 style=\"text-align: center\">Absorption<\/h3>\n<p>A partir du d\u00e9but de l&#8217;\u00e9piaison, l&#8217;\u00e9vapotranspiration r\u00e9elle est diminu\u00e9e de 30% environ. Le flux d&#8217;eau qui emprunte la tige et qui sert de vecteur \u00e0 l&#8217;azote, n&#8217;a donc plus la m\u00eame efficacit\u00e9. Les apports au sol sur v\u00e9g\u00e9tation \u00e9pi\u00e9e sont donc moins efficaces. Ceci se v\u00e9rifie par calcul de l&#8217;efficience exp\u00e9rimentalement.<br \/>\nAvec Balsamo, parce que l&#8217;azote est directement plac\u00e9 l\u00e0 o\u00f9 il est utile et que l&#8217;action du principe actif est tr\u00e8s fiable. De plus le pulv\u00e9risateur ne pose aucun probl\u00e8me de r\u00e9partition. L&#8217;homogen\u00e9it\u00e9 des r\u00e9sultats sur le mitadin du bl\u00e9 dur est particuli\u00e8rement \u00e9vocatrice.<\/p>\n<\/div><\/div><\/div><\/div><\/div><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><h3 style=\"text-align: center\">Verse<\/h3>\n<p>M\u00eame 10 unit\u00e9s d&#8217;azote sont influentes sur la verse lorsque celle ci est pr\u00e9sente. Certes un fractionnement plus adapt\u00e9 r\u00e9duit le risque mais 10 unit\u00e9s d&#8217;azote augmente la verse de 10% lorsqu&#8217;il y a verse. Un fractionnement plus adapt\u00e9 r\u00e9duit la verse mais ne supprime pas le risque de verse.\u00a0En cas de forte demande courant montaison, jumel\u00e9e avec une biomasse trop importante, ne pas suivre l&#8217;integralit\u00e9 de la demande est plus prudent pour g\u00e9rer la verse.\u00a0Avec Balsamo, l&#8217;alimentation azot\u00e9e \u00e0 DFE et post-\u00e9piaison conduit \u00e0 exprimer la plus grosse partie du potentiel tout en limitant le risque verse.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-6 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-btn-wrapper align_none\"><a class=\"w-btn us-btn-style_5 us_custom_80a192e9 icon_atleft\" href=\"http:\/\/www.viavegetale.com\/en\/about-nitrogen\/about-nitrogen-risks\/\"><i class=\"fas fa-arrow-left\"><\/i><span class=\"w-btn-label\">A propos d&#8217;azote<\/span><\/a><\/div><\/div><\/div><\/div><div class=\"vc_col-sm-6 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-btn-wrapper align_right\"><a class=\"w-btn us-btn-style_5 us_custom_80a192e9 icon_atleft\" href=\"\/environnement\"><i class=\"fas fa-arrow-right\"><\/i><span class=\"w-btn-label\">Environnement<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"PhysiologyHomePagesIl est important de consid\u00e9rer quelques \u00e9l\u00e9ments cl\u00e9s de la physiologie du bl\u00e9 pour comprendre les m\u00e9canismes de formation de rendement et de qualit\u00e9. R\u00e9gression des fleurs et stade de d\u00e9termination du nombre de grains d\u00e9finitif : Apr\u00e8s l&#8217;\u00e9piaison, le nombre de grains n&#8217;est pas encore totalement d\u00e9fini. Les fleurs f\u00e9cond\u00e9es sont alors soumises \u00e0...","protected":false},"author":1,"featured_media":0,"parent":3647,"menu_order":1,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-3666","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Wheat yield based on physiology<\/title>\n<meta name=\"description\" content=\"It is important to consider a few key components of physiology to understanding the wheat yield formation mechanisms and quality.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/viavegetale.com\/en\/about-nitrogen\/physiology\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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