{"id":3306,"date":"2024-10-04T13:46:51","date_gmt":"2024-10-04T16:46:51","guid":{"rendered":"https:\/\/agronegociobrasileiro.agr.br\/portal\/?p=3306"},"modified":"2024-10-04T13:46:51","modified_gmt":"2024-10-04T16:46:51","slug":"o-uso-do-nitrato-de-calcio-na-produtividade-do-algodao","status":"publish","type":"post","link":"https:\/\/portalmaisagro.com\/?p=3306","title":{"rendered":"O uso do nitrato de c\u00e1lcio na produtividade do algod\u00e3o"},"content":{"rendered":"<p>A cultura do algod\u00e3o est\u00e1 ganhando cada vez mais import\u00e2ncia. Em raz\u00e3o disso, em 2019, a Organiza\u00e7\u00e3o das Na\u00e7\u00f5es Unidas para a Alimenta\u00e7\u00e3o e a Agricultura (FAO) criou o Dia Mundial do Algod\u00e3o, celebrado em 7 de outubro, para conscientizar a comunidade internacional sobre a contribui\u00e7\u00e3o da cotonicultura na economia de muitos pa\u00edses. Nos \u00faltimos 25 anos, o Brasil passou a ser um dos protagonistas deste cen\u00e1rio, se tornando o terceiro maior produtor e o maior exportador de algod\u00e3o do mundo, segundo a Abrapa (Associa\u00e7\u00e3o Brasileira dos Produtores de Algod\u00e3o). Essa performance se deve a um esfor\u00e7o conjunto de toda a cadeia do algod\u00e3o e est\u00e1 relacionada a fatores como as melhores pr\u00e1ticas de manejo e o incremento de novas tecnologias.<br \/>\nA Yara, l\u00edder mundial em nutri\u00e7\u00e3o de plantas, realizou estudos sobre a atua\u00e7\u00e3o do c\u00e1lcio na produtividade do algod\u00e3o com o objetivo de atingir maiores patamares de produtividade e garantir a sa\u00fade do solo. Um deles, conduzido na fazenda experimental da Universidade do Oeste Paulista, localizada no munic\u00edpio de Presidente Bernardes (SP), mostrou que a disponibilidade de c\u00e1lcio no solo para suprir a demanda da cultura ao longo do seu ciclo pode n\u00e3o ser suficiente em momentos de alta absor\u00e7\u00e3o. Al\u00e9m disso, comprovou que o nitrato de c\u00e1lcio foi a fonte que proporcionou maior produtividade, com maior teor de c\u00e1lcio nas folhas e flores, assim como incremento de 155% no comprimento da raiz do algodoeiro e diminui\u00e7\u00e3o de 21 a 50% no teor de alum\u00ednio no solo, que \u00e9 t\u00f3xico para o algod\u00e3o, em compara\u00e7\u00e3o ao controle.<\/p>\n<p>Em outro estudo, realizado no Centro de Aprendizagem e Difus\u00e3o Oeste da Funda\u00e7\u00e3o MT, em Sapezal (MT), e conduzido sob o sistema soja\/algod\u00e3o nas safras 2021, 2022 e 2023, os resultados indicam que o uso de fontes nitrogenadas contendo c\u00e1lcio sol\u00favel (como o YaraLiva NITRABOR), associado a fontes como o YaraBela ou YaraMila, aumenta o desenvolvimento radicular da cultura, o rendimento do algod\u00e3o em caro\u00e7o e a satura\u00e7\u00e3o por bases, diminuindo a necessidade de calagem ao longo dos anos.<\/p>\n<p>\u201cPara a cultura do algod\u00e3o, o nitrog\u00eanio e o c\u00e1lcio est\u00e3o entre os elementos mais importantes, assim como pot\u00e1ssio e boro. \u00c9 recomend\u00e1vel que o cotonicultor fa\u00e7a an\u00e1lise do solo e um bom preparo dele de acordo com a regi\u00e3o e as condi\u00e7\u00f5es clim\u00e1ticas. Tamb\u00e9m deve promover irriga\u00e7\u00e3o regular quando poss\u00edvel, ter um criterioso controle de pragas, doen\u00e7as e plantas daninhas e ter boa gest\u00e3o nas opera\u00e7\u00f5es de desfolha e colheita para preservar a qualidade da fibra do algodoeiro. A ado\u00e7\u00e3o de pr\u00e1ticas sustent\u00e1veis na produ\u00e7\u00e3o, como a utiliza\u00e7\u00e3o de tecnologias com menor pegada de carbono, tamb\u00e9m tem obtido cada vez mais espa\u00e7o no concorrido mercado global\u201d, comenta <strong>Diego Pelizari<\/strong>, Especialista Agron\u00f4mico da Yara Brasil.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A cultura do algod\u00e3o est\u00e1 ganhando cada vez mais import\u00e2ncia. Em raz\u00e3o disso, em 2019, a Organiza\u00e7\u00e3o das Na\u00e7\u00f5es Unidas para a Alimenta\u00e7\u00e3o e a Agricultura (FAO) criou o Dia Mundial do Algod\u00e3o, celebrado em 7 de outubro, para conscientizar a comunidade internacional sobre a contribui\u00e7\u00e3o da cotonicultura na economia&hellip;<\/p>\n","protected":false},"author":9,"featured_media":3307,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3,18],"tags":[],"class_list":["post-3306","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-agricultura","category-algodao"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>O uso do nitrato de c\u00e1lcio na produtividade do algod\u00e3o - MaisAgro<\/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:\/\/portalmaisagro.com\/?p=3306\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"O uso do nitrato de c\u00e1lcio na produtividade do algod\u00e3o - MaisAgro\" \/>\n<meta property=\"og:description\" content=\"A cultura do algod\u00e3o est\u00e1 ganhando cada vez mais import\u00e2ncia. 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