{"id":411,"date":"2014-02-03T05:00:00","date_gmt":"2014-02-03T10:00:00","guid":{"rendered":"https:\/\/maizex.com\/maintenir-la-fertilite-lorsque-les-rendements-sont-variables\/"},"modified":"2014-02-03T15:56:00","modified_gmt":"2014-02-03T15:56:00","slug":"maintenir-la-fertilite-lorsque-les-rendements-sont-variables","status":"publish","type":"post","link":"https:\/\/maizex.com\/fr\/maintenir-la-fertilite-lorsque-les-rendements-sont-variables\/","title":{"rendered":"Maintenir la fertilit\u00e9 lorsque les rendements sont variables!"},"content":{"rendered":"<p>Avec l&rsquo;arriv&eacute;e de janvier, nous avons tourn&eacute; la page vers la saison 2014, et nous nous orientons maintenant sur la planification de la r&eacute;colte de notre prochaine ann&eacute;e. La partie essentielle de ce plan consiste en la gestion du plan de fertilit&eacute;. Les approches par rapport &agrave; la fertilit&eacute; diff&egrave;rent, mais elles sont d&rsquo;abord fond&eacute;es sur le r&eacute;approvisionnement en &eacute;l&eacute;ments nutritifs retir&eacute;s par la r&eacute;colte pr&eacute;c&eacute;dente.<\/p>\n\n<p>La gestion judicieuse de la fertilisation commence par des tests r&eacute;guliers de sols. Ces tests fournissent les bases de votre programme de fertilit&eacute;. Toutefois, entre les tests r&eacute;guliers de sols, les choix de gestion de la fertilisation sur la ferme influenceront grandement le d&eacute;veloppement de la r&eacute;colte et les r&eacute;sultats des futurs tests.<\/p>\n\n<p>La cr&eacute;ation d&rsquo;une fiche de &ldquo;bilan des &eacute;l&eacute;ments nutritifs par champ&rdquo; constitue une approche simple pour g&eacute;rer les &eacute;l&eacute;ments nutritifs. Un bilan des &eacute;l&eacute;ments nutritifs est comme votre compte de banque. Il enregistre la quantit&eacute; d&rsquo;&eacute;l&eacute;ments nutritifs apport&eacute;s &agrave; une culture donn&eacute;e. Il soustrait de ces apports la quantit&eacute; d&rsquo;&eacute;l&eacute;ments nutritifs retir&eacute;s du champ par la culture r&eacute;colt&eacute;e. Si la quantit&eacute; apport&eacute;e est plus grande que celle qui a &eacute;t&eacute; retir&eacute;e, les &eacute;l&eacute;ments nutritifs r&eacute;siduels seront disponibles pour la prochaine culture. Dans le cas contraire, un apport suppl&eacute;mentaire de fertilisants devra &ecirc;tre r&eacute;alis&eacute;, afin de r&eacute;tablir l&rsquo;&eacute;quilibre de ces &eacute;l&eacute;ments nutritifs. Une approche plus globale de la gestion des &eacute;l&eacute;ments nutritifs tiendra compte de facteurs tels que la texture du sol, la fa&ccedil;on dont l&rsquo;&eacute;l&eacute;ment nutritif a &eacute;t&eacute; apport&eacute; et la disponibilit&eacute; des &eacute;l&eacute;ments nutritifs pour la prochaine r&eacute;colte.<\/p>\n\n<p>Plusieurs r&eacute;gions de la province ont connu en 2014 des r&eacute;coltes avec des rendements plus &eacute;lev&eacute;s qu&rsquo;anticip&eacute;s. Si ces champs ont &eacute;t&eacute; fertilis&eacute;s normalement et au taux pr&eacute;vu de la r&eacute;colte anticip&eacute;e, les r&eacute;serves du sol peuvent avoir subi une ponction significative d&rsquo;&eacute;l&eacute;ments nutritifs. Il faudra donc y apporter une attention importante, lors de la d&eacute;termination des taux d&rsquo;application de fertilisants pour la saison suivante. Et l&rsquo;inverse est aussi vrai&nbsp;: avec des rendements moins &eacute;lev&eacute;s que pr&eacute;vus, donc avec une ponction moindre d&rsquo;&eacute;l&eacute;ments nutritifs, ces &eacute;l&eacute;ments nutritifs r&eacute;siduels pourront &ecirc;tre disponibles pour la prochaine r&eacute;colte.<\/p>\n\n<p>Le prix des fertilisants a &eacute;galement diminu&eacute; depuis le printemps dernier. Cela peut permettre &agrave; certains producteurs de constituer des r&eacute;serves d&rsquo;&eacute;l&eacute;ments nutritifs dans le sol, l&agrave; o&ugrave; les taux d&rsquo;application pourraient ne pas avoir rencontr&eacute; les taux de ponction occasionn&eacute;s par la r&eacute;colte. Les &eacute;l&eacute;ments nutritifs tels que le phosphore et le potassium tombent dans cette cat&eacute;gorie. Mais rappelez-vous que, pour n&rsquo;importe quel type de culture, la fa&ccedil;on la plus appropri&eacute;e d&rsquo;appliquer du phosphore est de l&rsquo;enfouir avec la semence, si cette option existe pour vous.<\/p>\n\n<p>La surveillance et la maintenance de votre &ldquo;bilan des &eacute;l&eacute;ments nutritifs&rdquo; constituent une approche simple pour g&eacute;rer l&rsquo;application de ces &eacute;l&eacute;ments nutritifs dans votre plan de culture. En ajustant les taux d&rsquo;application de fertilisants &agrave; la ponction par la r&eacute;colte, vous maintenez des niveaux de fertilit&eacute; propices &agrave; la production de r&eacute;coltes optimales. Le maintien des niveaux de fertilit&eacute; optimale constitue la base d&rsquo;un rendement maximal pour vos r&eacute;coltes.<\/p>\n\n<p><br \/>\n<em>Shawn Winter, CCA-ON,<\/em><br \/>\n<em>Directeur du d&eacute;veloppement de produit chez Maizex<\/em><br \/>\nTwitter : <a href=\"https:\/\/twitter.com\/SWinter_Maiz\"><em>@SWinter_Maiz<\/em><\/a>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Avec l&rsquo;arriv&eacute;e de janvier, nous avons tourn&eacute; la page vers la saison 2014, et nous nous orientons maintenant sur la planification de la r&eacute;colte de notre prochaine ann&eacute;e. La partie&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false,"footnotes":"","_tec_slr_enabled":"","_tec_slr_layout":""},"categories":[63,31],"tags":[41,452,46,503,47,440],"class_list":["post-411","post","type-post","status-publish","format-standard","hentry","category-agronomie","category-agronomy","tag-field-care","tag-gestion-des-champs","tag-p-and-k","tag-p-et-k","tag-tips","tag-tips-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Maintenir la fertilit\u00e9 lorsque les rendements sont variables! - Maizex Seeds Inc.<\/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:\/\/maizex.com\/fr\/maintenir-la-fertilite-lorsque-les-rendements-sont-variables\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Maintenir la fertilit\u00e9 lorsque les rendements sont variables! - Maizex Seeds Inc.\" \/>\n<meta property=\"og:description\" content=\"Avec l&rsquo;arriv&eacute;e de janvier, nous avons tourn&eacute; la page vers la saison 2014, et nous nous orientons maintenant sur la planification de la r&eacute;colte de notre prochaine ann&eacute;e. 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