{"id":8485,"date":"2026-07-14T08:58:03","date_gmt":"2026-07-14T11:58:03","guid":{"rendered":"https:\/\/portalmaisagro.com\/?p=8485"},"modified":"2026-07-14T08:58:03","modified_gmt":"2026-07-14T11:58:03","slug":"zarc-do-milho-e-atualizado-com-nova-classificacao-de-solos-e-series-climaticas","status":"publish","type":"post","link":"https:\/\/portalmaisagro.com\/?p=8485","title":{"rendered":"Zarc do milho \u00e9 atualizado com nova classifica\u00e7\u00e3o de solos e s\u00e9ries clim\u00e1ticas"},"content":{"rendered":"

Mudan\u00e7as no ZARC tornam as recomenda\u00e7\u00f5es de semeadura mais precisas ao considerar a capacidade de reten\u00e7\u00e3o de \u00e1gua dos solos e a variabilidade clim\u00e1tica recente<\/em><\/p>\n

O Zoneamento Agr\u00edcola de Risco Clim\u00e1tico (Zarc) para a cultura do milho gr\u00e3o foi atualizado. As portarias com os novos zoneamentos foram publicadas no Di\u00e1rio Oficial da Uni\u00e3o (DOU) desta ultima sexta-feira (10).<\/p>\n

A atualiza\u00e7\u00e3o contempla revis\u00e3o da classifica\u00e7\u00e3o dos solos por capacidade de \u00e1gua dispon\u00edvel e\u00a0atualiza\u00e7\u00e3o\u00a0das s\u00e9ries hist\u00f3ricas do clima<\/span>. As altera\u00e7\u00f5es refletem, sobretudo, a crescente variabilidade clim\u00e1tica e o aumento da frequ\u00eancia de ocorr\u00eancia de eventos extremos nos \u00faltimos anos, como secas\u00a0e excesso de chuvas.<\/span>\u00a0<\/span><\/p>\n

Para o c\u00e1lculo do risco s\u00e3o utilizadas s\u00e9ries de 30 anos de dados meteorol\u00f3gicos, incluindo temperaturas m\u00e1xima, m\u00ednima e m\u00e9dia, precipita\u00e7\u00e3o e evapotranspira\u00e7\u00e3o de refer\u00eancia. Tamb\u00e9m s\u00e3o considerados par\u00e2metros relacionados \u00e0 cultura e \u00e0s caracter\u00edsticas dos solos.<\/p>\n

Classes de \u00e1guas dispon\u00edveis<\/span>\u00a0<\/span><\/strong><\/b><\/p>\n

O estudo passa a utilizar seis classes de \u00e1gua dispon\u00edvel no solo,\u00a0que variam de AD1 (baixa reten\u00e7\u00e3o) a AD6 (alta reten\u00e7\u00e3o de \u00e1gua), substituindo a classifica\u00e7\u00e3o anteriormente baseada em tr\u00eas grupos de solos.<\/p>\n

Segundo pesquisadores da Embrapa respons\u00e1veis pelos estudos do Zarc, a classifica\u00e7\u00e3o por \u00e1gua dispon\u00edvel permite caracterizar de forma mais detalhada as condi\u00e7\u00f5es dos diferentes ambientes de produ\u00e7\u00e3o. A capacidade de armazenamento de \u00e1gua depende das caracter\u00edsticas f\u00edsicas do solo e n\u00e3o apenas de sua textura.<\/p>\n

Base clim\u00e1tica<\/strong><\/b><\/p>\n

A atualiza\u00e7\u00e3o tamb\u00e9m incorpora novos dados meteorol\u00f3gicos \u00e0s s\u00e9ries hist\u00f3ricas utilizadas nos estudos, incluindo informa\u00e7\u00f5es de chuva e temperatura provenientes de um n\u00famero ampliado de esta\u00e7\u00f5es meteorol\u00f3gicas.<\/p>\n

As informa\u00e7\u00f5es s\u00e3o utilizadas na defini\u00e7\u00e3o das \u00e9pocas de semeadura com menor risco clim\u00e1tico para a cultura, considerando as condi\u00e7\u00f5es observadas nas diferentes regi\u00f5es produtoras do pa\u00eds.<\/p>\n

Texto: Mapa<\/p>\n

Foto: Divulga\u00e7\u00e3o<\/p>\n

\"\"<\/p>\n

Conte\u00fado exclusivo de empresas participantes do Anu\u00e1rio Brasileiro do Agroneg\u00f3cio e Agricultura Familiar – LEIA O ANU\u00c1RIO GRATUITAMENTE<\/em><\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Mudan\u00e7as no ZARC tornam as recomenda\u00e7\u00f5es de semeadura mais precisas ao considerar a capacidade de reten\u00e7\u00e3o de \u00e1gua dos solos e a variabilidade clim\u00e1tica recente O Zoneamento Agr\u00edcola de Risco Clim\u00e1tico (Zarc) para a cultura do milho gr\u00e3o foi atualizado. As portarias com os novos zoneamentos foram publicadas no Di\u00e1rio…<\/p>\n","protected":false},"author":10,"featured_media":8486,"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":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[131,25],"tags":[],"class_list":["post-8485","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-destaques","category-milho"],"yoast_head":"\nZarc do milho \u00e9 atualizado com nova classifica\u00e7\u00e3o de solos e s\u00e9ries clim\u00e1ticas - 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=8485\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Zarc do milho \u00e9 atualizado com nova classifica\u00e7\u00e3o de solos e s\u00e9ries clim\u00e1ticas - MaisAgro\" \/>\n<meta property=\"og:description\" content=\"Mudan\u00e7as no ZARC tornam as recomenda\u00e7\u00f5es de semeadura mais precisas ao considerar a capacidade de reten\u00e7\u00e3o de \u00e1gua dos solos e a variabilidade clim\u00e1tica recente O Zoneamento Agr\u00edcola de Risco Clim\u00e1tico (Zarc) para a cultura do milho gr\u00e3o foi atualizado. 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