{"id":52041,"date":"2023-02-10T08:27:29","date_gmt":"2023-02-10T08:27:29","guid":{"rendered":"https:\/\/dev.metos.global\/?p=52041"},"modified":"2023-06-21T08:02:36","modified_gmt":"2023-06-21T08:02:36","slug":"farm-weather-talk-005-climate-change-variability","status":"publish","type":"post","link":"https:\/\/metos.global\/fr\/farm-weather-talk-005-climate-change-variability\/","title":{"rendered":"Farm Weather Talk #005 - Changement climatique (variabilit\u00e9)"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"52041\" class=\"elementor elementor-52041\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-808d028 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"808d028\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-45c874c\" data-id=\"45c874c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d71ce22 elementor-widget elementor-widget-heading\" data-id=\"d71ce22\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Nous savons tous que le changement climatique a un impact sur nous \u00e0 bien des \u00e9gards, mais pour l'agriculture, cet impact augmente les risques m\u00e9t\u00e9orologiques quotidiens incontr\u00f4lables auxquels les agriculteurs sont confront\u00e9s \u00e0 court terme.<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b8cfcd elementor-widget elementor-widget-text-editor\" data-id=\"3b8cfcd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Changement climatique (variabilit\u00e9)<\/h2><p>Dans le\u00a0<a href=\"\/fr\/farm-weather-talk-004\/\"><span style=\"text-decoration: underline;\">quatri\u00e8me \u00e9pisode de Farm Weather Talk<\/span><\/a>Nous avons abord\u00e9 l'importance de l'humidit\u00e9 du sol pour le d\u00e9veloppement et le rendement des cultures. Dans cet article, nous allons \u00e9tudier l'impact du changement climatique (variabilit\u00e9) sur les op\u00e9rations agricoles quotidiennes par le biais des changements m\u00e9t\u00e9orologiques, y compris l'humidit\u00e9 du sol.<\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-52044 size-large\" src=\"https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk-005-1-1024x449.png\" alt=\"Changement climatique_FWT\" width=\"1024\" height=\"449\" srcset=\"https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk-005-1-1024x449.png 1024w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk-005-1-300x132.png 300w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk-005-1-768x337.png 768w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk-005-1-1536x674.png 1536w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk-005-1-18x8.png 18w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk-005-1.png 1620w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-01d3cad elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"01d3cad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d87e78c elementor-widget elementor-widget-text-editor\" data-id=\"d87e78c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Contexte<\/h3><p>Nous savons tous que le changement climatique a un impact sur nous \u00e0 bien des \u00e9gards, mais pour l'agriculture, cet impact augmente le risque m\u00e9t\u00e9orologique quotidien incontr\u00f4lable auquel les agriculteurs sont confront\u00e9s \u00e0 court terme. Le climat est bien s\u00fbr l'expression \u00e0 long terme de la m\u00e9t\u00e9o sur une p\u00e9riode donn\u00e9e (g\u00e9n\u00e9ralement 30 ans), tandis que la m\u00e9t\u00e9o correspond aux fluctuations quotidiennes. C'est la variabilit\u00e9 du climat (impacts sur le temps au jour le jour) qu'il est extr\u00eamement difficile de pr\u00e9voir dans les op\u00e9rations agricoles quotidiennes.<br \/><br \/><img decoding=\"async\" class=\"aligncenter wp-image-52043 size-large lazyload\" data-src=\"https:\/\/www.metos.global\/wp-content\/uploads\/2023\/02\/Climate-variability-1024x576.png\" alt=\"La variabilit\u00e9 du climat\" width=\"700\" height=\"576\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 700px; --smush-placeholder-aspect-ratio: 700\/576;\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e979fc elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3e979fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20776f8 elementor-widget elementor-widget-text-editor\" data-id=\"20776f8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Qu'est-ce que cela signifie pour les exploitations agricoles ?<\/h3><p>Comme nous le savons, les conditions m\u00e9t\u00e9orologiques affectent la plupart, voire toutes les op\u00e9rations d'une exploitation agricole, qu'il s'agisse des semis, du travail du sol, des applications de nutriments, des d\u00e9cisions en mati\u00e8re de pulv\u00e9risation, de la r\u00e9colte, de la gestion du b\u00e9tail, des rations alimentaires, etc. Les impacts de la variabilit\u00e9 climatique seront diff\u00e9rents d'une r\u00e9gion \u00e0 l'autre, mais vous trouverez ci-dessous un bref r\u00e9sum\u00e9 des impacts potentiels, certains positifs et d'autres n\u00e9gatifs :<\/p><ul><li><strong>Augmentation de la temp\u00e9rature<\/strong>\u00a0ce qui pourrait augmenter le nombre de jours sans gel et de degr\u00e9s-jours de croissance, ce qui pourrait am\u00e9liorer les rendements et permettre de nouveaux types de culture dans certaines r\u00e9gions.<\/li><li><strong>Temp\u00eates, inondations et s\u00e9cheresses plus fr\u00e9quentes et plus intenses.<\/strong>\u00a0pourrait \u00eatre attendue chaque ann\u00e9e, ce qui augmente le risque pour la production alimentaire.<\/li><li><strong>Des temp\u00e9ratures hivernales plus chaudes<\/strong>\u00a0pourrait augmenter la pression exerc\u00e9e par les ravageurs et les maladies en am\u00e9liorant la survie hivernale des esp\u00e8ces nouvelles et existantes.<\/li><li>Les cultures d'arbres fruitiers peuvent \u00eatre particuli\u00e8rement vuln\u00e9rables aux temp\u00e9ratures variables de l'automne (durcissement) et aux gel\u00e9es de printemps. Une plus grande variabilit\u00e9 des temp\u00e9ratures au printemps et \u00e0 l'automne peut stresser les arbres fruitiers, entra\u00eenant une perte de fleurs due aux facteurs suivants\u00a0<strong>gel\u00e9es tardives<\/strong>.<\/li><li>L'augmentation des p\u00e9riodes sans gel peut offrir des possibilit\u00e9s pour le\u00a0<strong>l'expansion des cultures de climat chaud<\/strong>\u00a0comme le ma\u00efs et le soja, ainsi qu'une expansion potentielle vers le nord de la production agricole lorsque les sols le permettent.<\/li><li>La r\u00e9duction des pr\u00e9cipitations plus tard dans la saison de croissance, associ\u00e9e \u00e0 l'augmentation de la chaleur, entra\u00eenera une baisse de la productivit\u00e9.\u00a0<strong>le stress des plantes<\/strong>\u00a0et peut avoir un impact n\u00e9gatif sur les rendements et la qualit\u00e9, en particulier pour les ol\u00e9agineux.<\/li><li>La r\u00e9duction du d\u00e9bit des cours d'eau, la diminution de la fonte des neiges qui alimente les rivi\u00e8res et la pr\u00e9cocit\u00e9 des pics de d\u00e9bit pourraient entra\u00eener les cons\u00e9quences suivantes\u00a0<strong>un acc\u00e8s r\u00e9duit \u00e0 l'eau pour l'irrigation<\/strong>\u00a0pendant l'\u00e9t\u00e9 et une plus grande concurrence pour les r\u00e9serves d'eau souterraine de la part de multiples industries.<\/li><li>L'augmentation des temp\u00e9ratures et le rationnement de l'eau pourraient potentiellement affecter\u00a0<strong>sant\u00e9 du b\u00e9tail<\/strong>, entra\u00eenant une r\u00e9duction de la production de lait, d'\u0153ufs et de viande, voire des d\u00e9c\u00e8s, et une augmentation des co\u00fbts de refroidissement pour les producteurs.<\/li><li><strong>Des niveaux de CO2 plus \u00e9lev\u00e9s<\/strong>\u00a0peut entra\u00eener une plus grande productivit\u00e9 de cultures telles que le bl\u00e9, l'orge, le canola, le soja et les pommes de terre.<\/li><li>Combin\u00e9s \u00e0 des temp\u00e9ratures estivales plus \u00e9lev\u00e9es, \u00e0 une \u00e9vapotranspiration accrue et \u00e0 des quantit\u00e9s de pr\u00e9cipitations variables, ces facteurs auront un impact sur l'environnement.\u00a0<strong>les niveaux d'humidit\u00e9 du sol<\/strong>\u00a0pour le d\u00e9veloppement et le rendement des cultures.<\/li><\/ul><p><a href=\"\/wp-content\/uploads\/2023\/02\/Climate-change.png\"><img decoding=\"async\" class=\"aligncenter wp-image-52042 size-large lazyload\" data-src=\"https:\/\/www.metos.global\/wp-content\/uploads\/2023\/02\/Climate-change-1024x483.png\" alt=\"Changement climatique\" width=\"1024\" height=\"483\" data-srcset=\"https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Climate-change-1024x483.png 1024w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Climate-change-300x141.png 300w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Climate-change-768x362.png 768w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Climate-change-1536x724.png 1536w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Climate-change-18x8.png 18w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Climate-change.png 1600w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/483;\" \/><\/a><\/p><p>Comme le sugg\u00e8re l'image, le d\u00e9veloppement de nouvelles technologies permettra de compenser certains des changements li\u00e9s \u00e0 la variabilit\u00e9 du climat et offrira de nouvelles possibilit\u00e9s. L'une de ces techniques est\u00a0<span style=\"text-decoration: underline;\"><a href=\"\/fr\/sectors\/\">l'agriculture num\u00e9rique ou IoT<\/a><\/span>qui peut fournir des informations pr\u00e9cises et opportunes \u00e0 de multiples entreprises.\u00a0<span style=\"text-decoration: underline;\"><a href=\"\/fr\/software-services\/\">d\u00e9cisions de gestion<\/a><\/span>: semis, calendrier de pulv\u00e9risation, besoins en nutriments, lutte contre les parasites, gestion des maladies, planification des travaux et sant\u00e9 du b\u00e9tail. Ces outils num\u00e9riques ou IoT connectent le champ-ferme avec des informations opportunes et fiables, qui fournissent des solutions pour une meilleure gestion, une optimisation des intrants et une r\u00e9duction des risques. (Images ci-dessous)\u00a0<\/p><p><a href=\"\/wp-content\/uploads\/2023\/02\/Pessl-Instruments-Metos-Nested-Holistic-Approach.jpg\"><img decoding=\"async\" class=\"aligncenter wp-image-52062 size-large lazyload\" data-src=\"https:\/\/www.metos.global\/wp-content\/uploads\/2023\/02\/Pessl-Instruments-Metos-Nested-Holistic-Approach-1024x442.jpg\" alt=\"Pessl-Instruments-Metos-Nested-Holistic-Approach\" width=\"1024\" height=\"442\" data-srcset=\"https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Pessl-Instruments-Metos-Nested-Holistic-Approach-1024x442.jpg 1024w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Pessl-Instruments-Metos-Nested-Holistic-Approach-300x129.jpg 300w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Pessl-Instruments-Metos-Nested-Holistic-Approach-768x331.jpg 768w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Pessl-Instruments-Metos-Nested-Holistic-Approach-1536x663.jpg 1536w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Pessl-Instruments-Metos-Nested-Holistic-Approach-2048x884.jpg 2048w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Pessl-Instruments-Metos-Nested-Holistic-Approach-18x8.jpg 18w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/442;\" \/><\/a><\/p><p><img decoding=\"async\" class=\"aligncenter wp-image-52049 size-large lazyload\" data-src=\"https:\/\/www.metos.global\/wp-content\/uploads\/2023\/02\/ROI-management-1024x576.png\" alt=\"Gestion du retour sur investissement\" width=\"1024\" height=\"576\" data-srcset=\"https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/ROI-management-1024x576.png 1024w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/ROI-management-300x169.png 300w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/ROI-management-768x432.png 768w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/ROI-management-1536x864.png 1536w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/ROI-management-18x10.png 18w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/ROI-management-800x450.png 800w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/ROI-management.png 1600w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/576;\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ef526c elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7ef526c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4dd9242 elementor-widget elementor-widget-text-editor\" data-id=\"4dd9242\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Exemple de cas de variabilit\u00e9 du changement climatique et de gestion des nutriments<\/h3><p>L'ann\u00e9e 2021 dans l'Ouest canadien a \u00e9t\u00e9 caract\u00e9ris\u00e9e par une s\u00e9cheresse extr\u00eame et des temp\u00e9ratures ti\u00e8des \u00e0 chaudes. Les rendements de la plupart des cultures ont \u00e9t\u00e9 affect\u00e9s par le manque d'humidit\u00e9 stock\u00e9e dans le sol et par des pluies tardives. \u00c0 l'automne, les conditions s\u00e8ches et chaudes se sont poursuivies, ce qui n'a pas permis de r\u00e9tablir les niveaux d'humidit\u00e9 du sol. L'hiver 2021-2022 a \u00e9t\u00e9 marqu\u00e9 par de bonnes chutes de neige, mais comme nous l'avons vu, l'eau peut \u00eatre stock\u00e9e dans le manteau neigeux et\/ou perdue par sublimation au cours de l'hiver. En 2022, les conditions sont pass\u00e9es d'une s\u00e9cheresse extr\u00eame \u00e0 des conditions tr\u00e8s humides. Les travaux sur le terrain et les op\u00e9rations de plantation ont \u00e9t\u00e9 ralentis en raison des conditions humides et certaines zones n'ont pas \u00e9t\u00e9 ensemenc\u00e9es en raison de conditions trop humides. Des pr\u00e9cipitations opportunes et abondantes ont continu\u00e9 tout au long de la saison de croissance, ce qui a conduit \u00e0 une humidit\u00e9 abondante du sol pour un potentiel de rendement plus \u00e9lev\u00e9. Les graphiques ci-dessous illustrent clairement ce changement dans l'humidit\u00e9 du sol de 2021 \u00e0 2022.<\/p><p>Les rapports officiels sur les pr\u00e9cipitations des stations m\u00e9t\u00e9orologiques gouvernementales de Winnipeg caract\u00e9risent clairement la variabilit\u00e9 climatique pour les ann\u00e9es 2021 et 2022, o\u00f9 les pr\u00e9cipitations enregistr\u00e9es pour 2022 \u00e9taient de 766 mm, soit pr\u00e8s du double de 2021 (384 mm). En outre, 2022 a \u00e9t\u00e9 l'ann\u00e9e la plus humide jamais enregistr\u00e9e, d\u00e9passant l'ann\u00e9e 1962 qui avait enregistr\u00e9 725 mm. Il s'agit clairement d'un exemple de variabilit\u00e9 climatique en action.\u00a0<\/p><p><img decoding=\"async\" class=\"wp-image-52046 size-large aligncenter lazyload\" data-src=\"https:\/\/www.metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk_Nov-2021-to-May-1-2022-1024x422.png\" alt=\"Discussion sur la m\u00e9t\u00e9o agricole_Nov 2021 au 1er mai 2022\" width=\"1024\" height=\"422\" data-srcset=\"https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk_Nov-2021-to-May-1-2022-1024x422.png 1024w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk_Nov-2021-to-May-1-2022-300x124.png 300w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk_Nov-2021-to-May-1-2022-768x317.png 768w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk_Nov-2021-to-May-1-2022-18x7.png 18w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk_Nov-2021-to-May-1-2022.png 1399w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/422;\" \/><\/p><center>Nov 2021 au 1er mai 2022<\/center><p><img decoding=\"async\" class=\"wp-image-52045 size-large lazyload\" data-src=\"https:\/\/www.metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk_May-20222-to-Sept-1-2022-1024x521.png\" alt=\"Discussion sur la m\u00e9t\u00e9o agricole_mai 20222 au 1er septembre 2022\" width=\"1024\" height=\"521\" data-srcset=\"https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk_May-20222-to-Sept-1-2022-1024x521.png 1024w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk_May-20222-to-Sept-1-2022-300x152.png 300w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk_May-20222-to-Sept-1-2022-768x390.png 768w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk_May-20222-to-Sept-1-2022-18x9.png 18w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/Farm-weather-talk_May-20222-to-Sept-1-2022.png 1383w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/521;\" \/><\/p><center>Mai 20222 au 1er septembre 2022<\/center>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b7afcd elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"5b7afcd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e58845e elementor-widget elementor-widget-text-editor\" data-id=\"e58845e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Qu'est-ce que cela signifie pour la gestion des nutriments ?<\/h3><p>Comme vous pouvez l'imaginer, l'\u00e9volution du potentiel de rendement entre 2021 et 2022 a \u00e9t\u00e9 tr\u00e8s diff\u00e9rente. Par exemple, en 2021, il y avait beaucoup moins d'humidit\u00e9 stock\u00e9e dans le sol, disons 7 pouces sur l'ensemble de la saison de croissance, alors qu'en 2022, il y avait plut\u00f4t 14 pouces d'humidit\u00e9 stock\u00e9e dans le sol. N'oubliez pas que chaque pouce d'eau stock\u00e9e dans le sol se traduit par un certain nombre de boisseaux de rendement pour chaque culture. Si vous consid\u00e9rez une culture de bl\u00e9, cela se traduit par un potentiel de rendement de 49 boisseaux\/acre en 2021, alors qu'en 2022, ce potentiel est de 98 boisseaux\/acre. La fa\u00e7on de g\u00e9rer ces changements annuels en termes d'\u00e9l\u00e9ments nutritifs est tr\u00e8s diff\u00e9rente. Au cours d'une ann\u00e9e s\u00e8che, la quantit\u00e9 d'\u00e9l\u00e9ments nutritifs devrait \u00eatre bien moindre, puisque la quantit\u00e9 d'eau du sol pour le rendement est faible, tandis qu'au cours d'une ann\u00e9e humide, davantage d'\u00e9l\u00e9ments nutritifs pourraient \u00eatre appliqu\u00e9s pour atteindre le potentiel de rendement.\u00a0<strong>Alors, comment savoir quel est votre potentiel de rendement d'une ann\u00e9e sur l'autre avec la variabilit\u00e9 du climat ?<\/strong>\u00a0C'est l\u00e0 qu'une solution num\u00e9rique pour\u00a0<span style=\"text-decoration: underline;\"><a href=\"\/fr\/yield-prediction\/\">pr\u00e9vision du rendement<\/a><\/span>\u00a0entre en jeu. Comme le montre l'illustration, vous pouvez suivre votre rendement en fonction de l'eau, jour apr\u00e8s jour, et dans le futur, sur la base de la normale \u00e0 long terme et des pr\u00e9visions saisonni\u00e8res. Dans cette illustration, le rendement pr\u00e9vu pour le bl\u00e9 est sup\u00e9rieur \u00e0 la normale \u00e0 long terme en raison des pluies opportunes et de l'humidit\u00e9 abondante du sol.<\/p><p><img decoding=\"async\" class=\"aligncenter wp-image-52048 size-large lazyload\" data-src=\"https:\/\/www.metos.global\/wp-content\/uploads\/2023\/02\/nutrient-management_11zon-1024x520.jpg\" alt=\"Gestion des nutriments\" width=\"1024\" height=\"520\" data-srcset=\"https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/nutrient-management_11zon-1024x520.jpg 1024w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/nutrient-management_11zon-300x152.jpg 300w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/nutrient-management_11zon-768x390.jpg 768w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/nutrient-management_11zon-1536x780.jpg 1536w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/nutrient-management_11zon-18x9.jpg 18w, https:\/\/metos.global\/wp-content\/uploads\/2023\/02\/nutrient-management_11zon.jpg 1600w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/520;\" \/><\/p><p>Comme nous l'avons vu pr\u00e9c\u00e9demment, le d\u00e9veloppement de\u00a0<span style=\"text-decoration: underline;\"><a href=\"\/fr\/software-services\/\">nouvelles technologies<\/a><\/span>\u00a0permettront de compenser certains des changements avec la variabilit\u00e9 climatique et offriront de nouvelles opportunit\u00e9s. L'une de ces techniques est l'agriculture num\u00e9rique ou IoT, qui peut fournir des informations pr\u00e9cises et opportunes pour de multiples d\u00e9cisions de gestion : semis, calendrier des pulv\u00e9risations, besoins en nutriments, lutte contre les ravageurs, gestion des maladies, planification des travaux, sant\u00e9 du b\u00e9tail et, dans cet exemple, pr\u00e9vision du rendement. Ces techniques num\u00e9riques ou\u00a0<span style=\"text-decoration: underline;\"><a href=\"\/fr\/stations-dataloggers\/\">Outils IoT<\/a><\/span>\u00a0relient le terrain et l'exploitation agricole avec des informations fiables et opportunes, qui apportent des solutions pour une meilleure gestion, une optimisation des intrants et une r\u00e9duction des risques dans un contexte de changement climatique.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f483429 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"f483429\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c59f67a elementor-widget elementor-widget-text-editor\" data-id=\"c59f67a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>A propos de l'auteur :<\/em><br \/>Guy Ash a travaill\u00e9 comme agrom\u00e9t\u00e9orologue et sp\u00e9cialiste des sciences de l'observation de la terre au cours des 30 derni\u00e8res ann\u00e9es. Actuellement, il est le responsable mondial de la formation et des comptes cl\u00e9s au Canada pour Pessl Instruments, en Autriche. Pessl Instrument est une entreprise IoT qui fabrique des solutions mat\u00e9rielles (enregistreurs et capteurs) et logicielles ax\u00e9es sur le secteur agricole. Nous travaillons dans plus de 85 pays et avons plus de 70 000 appareils et 700 000 capteurs d\u00e9ploy\u00e9s pour un large \u00e9ventail d'applications agricoles : gestion des maladies, irrigation, humidit\u00e9 du sol, pi\u00e8ges \u00e0 insectes, cam\u00e9ras de cultures, stations m\u00e9t\u00e9orologiques, fertilit\u00e9 des sols, etc. L'un de ses r\u00f4les est de fournir une formation mondiale pour une liste \u00e9tendue de solutions IoT pour une grande vari\u00e9t\u00e9 de cultures - riz, bl\u00e9, soja, oranges, ma\u00efs, canola, fourrages, raisins, fruits et l\u00e9gumes, etc.<\/p><p><img decoding=\"async\" class=\"wp-image-49142 size-full aligncenter lazyload\" data-src=\"https:\/\/www.metos.global\/wp-content\/uploads\/2022\/11\/Avatar-Guy.png\" alt=\"Avatar-Guy\" width=\"150\" height=\"150\" data-srcset=\"https:\/\/metos.global\/wp-content\/uploads\/2022\/11\/Avatar-Guy.png 150w, https:\/\/metos.global\/wp-content\/uploads\/2022\/11\/Avatar-Guy-12x12.png 12w\" data-sizes=\"(max-width: 150px) 100vw, 150px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 150px; --smush-placeholder-aspect-ratio: 150\/150;\" \/><\/p><center>Guy Ash,<\/center><center>METOS<sup>\u00ae<\/sup> Responsable mondial de la formation<\/center>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c1e7d5 elementor-widget elementor-widget-button\" data-id=\"9c1e7d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"\/fr\/blog-news\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-arrow-alt-circle-left\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">RETOUR \u00c0 TOUTES LES ENTR\u00c9ES DU BLOG<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>We all know that climate change is impacting us in many ways, but for farming this impact is increasing the uncontrollable day-to-day weather risk that farmers face in the short term. Climate Change (Variability) In the\u00a0fourth installment of Farm Weather Talk, we discussed the importance of soil moisture for crop development and yield. In this [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":52047,"comment_status":"closed","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"off","ocean_gallery_id":[],"footnotes":""},"categories":[2,154],"tags":[47,190,32,427,259,197,15,198,442,16,251,465,204,262,402],"class_list":["post-52041","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-pessl-blog","tag-cropview","tag-disease-modeling","tag-iot-solutions","tag-iot-technology","tag-iot-weather-solutions","tag-irrigation-management","tag-metos","tag-metos-by-pessl-instruments","tag-nutrient-management","tag-pessl-instruments","tag-pest-control","tag-spray-timing","tag-weather-forecasting","tag-work-planning","tag-yield-prediction","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Farm Weather Talk #005 \u2013 Climate Change (Variability) - METOS by Pessl Instruments<\/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:\/\/metos.at\/es\/farm-weather-talk-005-climate-change-variability\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Farm Weather Talk #005 \u2013 Climate Change (Variability) - METOS by Pessl Instruments\" \/>\n<meta property=\"og:description\" content=\"We all know that climate change is impacting us in many ways, but for farming this impact is increasing the uncontrollable day-to-day weather risk that farmers face in the short term. Climate Change (Variability) In the\u00a0fourth installment of Farm Weather Talk, we discussed the importance of soil moisture for crop development and yield. 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