{"id":1343,"date":"2026-03-21T20:32:17","date_gmt":"2026-03-21T23:32:17","guid":{"rendered":"https:\/\/www.elicit-plant.com\/br\/?p=1343"},"modified":"2026-03-21T20:32:18","modified_gmt":"2026-03-21T23:32:18","slug":"dia-internacional-da-agua","status":"publish","type":"post","link":"https:\/\/www.elicit-plant.com\/br\/dia-internacional-da-agua\/","title":{"rendered":"Dia Internacional da \u00c1gua"},"content":{"rendered":"<section class=\"cbo-text cbo-halo cbo-margin-container\">\n    <div class=\"\n        text-inner\n                cbo-container\n        container--small        \"\n    >\n        <div class=\"text-content cbo-cms cms--large\">\n            <h4><strong>1) Contexto global e por que a \u00e1gua \u00e9 o limitante estrat\u00e9gico<\/strong><\/h4>\n<p>A agricultura permanece como o <strong>maior usu\u00e1rio de \u00e1gua doce do mundo<\/strong> \u2014 cerca de <strong>70\u201372% das retiradas globais<\/strong> \u2014 e a <strong>disponibilidade per capita de \u00e1gua renov\u00e1vel caiu 7% na \u00faltima d\u00e9cada<\/strong>, segundo a atualiza\u00e7\u00e3o <strong>AQUASTAT 2025<\/strong> da FAO e s\u00ednteses da UNESCO\/WWDR 2024.<\/p>\n<p>A nova fotografia global tamb\u00e9m evidencia <strong>forte disparidade regional<\/strong> de estresse h\u00eddrico e de <strong>efici\u00eancia no uso da \u00e1gua<\/strong> (indicadores ODS 6.4), com agricultura respondendo por <strong>&gt;80% das retiradas<\/strong> em alguns blocos, o que pressiona aqu\u00edferos e bacias sob variabilidade clim\u00e1tica crescente. <a href=\"https:\/\/www.unwater.org\/news\/fao-2025-aquastat-water-data\">[unwater.org]<\/a>, <a href=\"https:\/\/reliefweb.int\/report\/world\/aquastat-water-data-snapshot-2025\">[reliefweb.int]<\/a>, <a href=\"https:\/\/www.unesco.org\/reports\/wwdr\/en\/2024\/s\">[unesco.org]<\/a>, <a href=\"https:\/\/smartwatermagazine.com\/news\/smart-water-magazine\/global-water-under-pressure-what-aquastat-2025-reveals-about-agriculture\">[smartwater&#8230;gazine.com]<\/a> <a href=\"https:\/\/www.unwater.org\/news\/fao-2025-aquastat-water-data\">[unwater.org]<\/a>, <a href=\"https:\/\/smartwatermagazine.com\/news\/smart-water-magazine\/global-water-under-pressure-what-aquastat-2025-reveals-about-agriculture\">[smartwater&#8230;gazine.com]<\/a><\/p>\n<p>&nbsp;<\/p>\n<h4><strong>2) Am\u00e9rica do Norte: precis\u00e3o h\u00eddrica em expans\u00e3o<\/strong><\/h4>\n<p><strong>2.1.Desafio-chave<\/strong><\/p>\n<p>O <strong>Aqu\u00edfero High Plains\/Ogallala<\/strong> segue em <strong>decl\u00ednio de n\u00edveis e armazenamento<\/strong>, afetando fortemente o cintur\u00e3o do milho\/algod\u00e3o e condicionando a produtividade sob seca recorrente. Relat\u00f3rios recentes (USGS\/Kansas Geological Survey; USDA Climate Hubs; NIDIS\/Drought.gov) documentam a tend\u00eancia de <strong>deple\u00e7\u00e3o cr\u00f4nica<\/strong> e a necessidade de <strong>metas por bacia e gest\u00e3o por demanda<\/strong>. <a href=\"https:\/\/ne.water.usgs.gov\/ogw\/hpwlms\/\">[ne.water.usgs.gov]<\/a>, <a href=\"https:\/\/journals.ku.edu\/kgsts\/article\/view\/24127\">[journals.ku.edu]<\/a>, <a href=\"https:\/\/www.climatehubs.usda.gov\/sites\/default\/files\/Ogallala%20Overview%20241202.pdf\">[climatehubs.usda.gov]<\/a>, <a href=\"https:\/\/www.drought.gov\/documents\/2024-ogallala-aquifer-summit-summary-report\">[drought.gov]<\/a><\/p>\n<p><strong>2.2. Cultivos irrigados e tecnologias dominantes<\/strong><\/p>\n<p>Nos EUA, os sistemas de <strong>piv\u00f4 central<\/strong> atendem <strong>milho, algod\u00e3o, alfafa e hortifrut\u00edcolas<\/strong>; tend\u00eancias atuais incluem <strong>automa\u00e7\u00e3o com telemetria<\/strong>, <strong>sensores de solo\/planta<\/strong>, e <strong>modelagem de ET<\/strong>. Pesquisas de Kansas State (2025) mostram que <strong>reduzir a velocidade do piv\u00f4<\/strong> aumenta a l\u00e2mina efetiva infiltrada e pode <strong>cortar perdas e melhorar produtividade<\/strong> sem CAPEX adicional; avalia\u00e7\u00f5es de efici\u00eancia relatam <strong>potencial de economia at\u00e9 ~25%<\/strong> quando manuten\u00e7\u00e3o, press\u00e3o e uniformidade s\u00e3o corrigidas.<\/p>\n<p>Na <strong>Planalto Central de Nebraska<\/strong>, experimentos com <strong>sensores montados no piv\u00f4 (termal\/multiespectral)<\/strong> demonstraram <strong>redu\u00e7\u00e3o de aplica\u00e7\u00f5es<\/strong> mantendo rendimento, abrindo caminho para <strong>gatilhos autom\u00e1ticos<\/strong> de irriga\u00e7\u00e3o com base em estresse t\u00e9rmico. <a href=\"https:\/\/hpj.com\/2025\/05\/23\/k-state-study-slowing-down-pivots-can-improve-water-efficiency-and-yields\/\">[hpj.com]<\/a>, <a href=\"https:\/\/irrigationtoday.org\/news\/k-state-study-slower-pivot-speeds-improve-water-efficiency-and-yields\/\">[irrigationtoday.org]<\/a>, <a href=\"https:\/\/www.ksre.k-state.edu\/news-and-publications\/news\/stories\/2025\/03\/agriculture-maximizing-irrigation-efficiency.html\">[ksre.k-state.edu]<\/a> <a href=\"https:\/\/heeren.unl.edu\/pivot-mounted-sensors\/\">[heeren.unl.edu]<\/a><\/p>\n<p><strong>2.3. Boas pr\u00e1ticas com comprova\u00e7\u00e3o<\/strong><\/p>\n<ul>\n<li><strong>Diagn\u00f3stico\/OTIM do sistema<\/strong> (press\u00e3o, reguladores, bicos e uniformidade) para reduzir c e perdas por deriva\/evapora\u00e7\u00e3o. <a href=\"https:\/\/www.ksre.k-state.edu\/news-and-publications\/news\/stories\/2025\/03\/agriculture-maximizing-irrigation-efficiency.html\">[ksre.k-state.edu]<\/a><\/li>\n<li><strong>Agendamento orientado por sensores + ET<\/strong> e <strong>janelas t\u00e9rmicas<\/strong> (irrigar em hor\u00e1rios mais frescos) para reduzir evapora\u00e7\u00e3o. <a href=\"https:\/\/www.ksre.k-state.edu\/news-and-publications\/news\/stories\/2025\/03\/agriculture-maximizing-irrigation-efficiency.html\">[ksre.k-state.edu]<\/a><\/li>\n<li><strong>Gest\u00e3o adaptativa do Ogallala<\/strong>: iniciativas regionais (Ogallala Aquifer Program) visando <strong>tecnologias de irriga\u00e7\u00e3o e governan\u00e7a local da demanda<\/strong>. <a href=\"https:\/\/ogallala.tamu.edu\/\">[ogallala.tamu.edu]<\/a><\/li>\n<\/ul>\n<p><strong>Mensagem t\u00e9cnica<\/strong>: nos grandes polos irrigados dos EUA, <strong>efici\u00eancia incremental (O&amp;M + controle)<\/strong> j\u00e1 entrega ganhos imediatos; <strong>automa\u00e7\u00e3o e sensores on-pivot<\/strong> aceleram a <strong>produtividade por gota<\/strong> com <em>payback<\/em> operacional r\u00e1pido. <a href=\"https:\/\/heeren.unl.edu\/pivot-mounted-sensors\/\">[heeren.unl.edu]<\/a>, <a href=\"https:\/\/www.ksre.k-state.edu\/news-and-publications\/news\/stories\/2025\/03\/agriculture-maximizing-irrigation-efficiency.html\">[ksre.k-state.edu]<\/a><\/p>\n<p>&nbsp;<\/p>\n<h4><strong>3) Am\u00e9rica do Sul: conserva\u00e7\u00e3o de solo-\u00e1gua e irriga\u00e7\u00e3o de precis\u00e3o no arco tropical\/subtropical<\/strong><\/h4>\n<p><strong>3.1 Brasil: dado, manejo e intensifica\u00e7\u00e3o sustent\u00e1vel<\/strong><\/p>\n<p><strong>Retrato h\u00eddrico 2023\/2024<\/strong><\/p>\n<p>Segundo o <strong>Relat\u00f3rio Conjuntura dos Recursos H\u00eddricos (ANA, 2023 \u2013 dados 2022)<\/strong>, a <strong>irriga\u00e7\u00e3o representa ~50,5%<\/strong> das retiradas de \u00e1gua no pa\u00eds (64,18 trilh\u00f5es de litros\/ano), \u00e0 frente do abastecimento urbano (23,9%) e ind\u00fastria (9,4%); eventos extremos de <strong>cheias<\/strong> (1,5 mi afetados) e <strong>secas\/estiagens<\/strong> (7 mi) aumentaram no per\u00edodo 2022\u20132023. <a href=\"https:\/\/agenciagov.ebc.com.br\/noticias\/202402\/relatorio-conjuntura-dos-recursos-hidricos-no-brasil-atualiza-informacoes-sobre-aguas-do-pais\">[agenciagov&#8230;ebc.com.br]<\/a>, <a href=\"https:\/\/www.ceivap.org.br\/noticias\/ana-lanca-relatorio-de-conjuntura-dos-recursos-hidricos-no-brasil-de-2023\">[ceivap.org.br]<\/a><\/p>\n<p><strong>Cultivos irrigados por polos<\/strong><\/p>\n<ul>\n<li><strong>Arroz (Sul)<\/strong>; <strong>cana-de-a\u00e7\u00facar (Centro-Sul)<\/strong>; <strong>hortifruti e caf\u00e9 (Sudeste)<\/strong>; <strong>gr\u00e3os (soja\/milho) sob piv\u00f4<\/strong> em Cerrado\/MATOPIBA. A expans\u00e3o e moderniza\u00e7\u00e3o de piv\u00f4s e <strong>gotejamento<\/strong> t\u00eam estabilizado safras sob irregularidade de chuvas. (Panorama consolidado de ANA e literatura setorial). <a href=\"https:\/\/agenciagov.ebc.com.br\/noticias\/202402\/relatorio-conjuntura-dos-recursos-hidricos-no-brasil-atualiza-informacoes-sobre-aguas-do-pais\">[agenciagov&#8230;ebc.com.br]<\/a><\/li>\n<\/ul>\n<h3 style=\"text-align: center\"><strong>Pr\u00e1ticas conservacionistas de base<\/strong><\/h3>\n<ul>\n<li><strong>Sistema Plantio Direto (SPD)<\/strong>: a federa\u00e7\u00e3o brasileira (FEBRAPDP) estima <strong>&gt;33 milh\u00f5es ha<\/strong> sob SPD, reduzindo eros\u00e3o, aumentando infiltra\u00e7\u00e3o e reciclagem h\u00eddrica\/biogeoqu\u00edmica. <a href=\"https:\/\/www.plantiodireto.org.br\/\">[plantiodireto.org.br]<\/a><\/li>\n<li><strong>Integra\u00e7\u00e3o Lavoura\u2011Pecu\u00e1ria\u2011Floresta (ILPF)<\/strong>: estimativas recentes da <strong>Rede ILPF<\/strong> indicam <strong>~17,4 milh\u00f5es ha<\/strong>; an\u00e1lises setoriais sugerem <strong>~20,1 milh\u00f5es ha<\/strong> em 2024, consolidando a ILPF como alavanca de <strong>infiltra\u00e7\u00e3o, sombreamento, mat\u00e9ria org\u00e2nica e estabilidade h\u00eddrica<\/strong>. <a href=\"https:\/\/redeilpf.org.br\/ilpf-em-numeros\/\">[redeilpf.org.br]<\/a>, <a href=\"https:\/\/portaldbo.com.br\/revistadbo\/ilpf-segue-na-casa-dos-20-milhoes-de-ha\/\">[portaldbo.com.br]<\/a><\/li>\n<\/ul>\n<h3 style=\"text-align: center\"><strong>Boas pr\u00e1ticas com comprova\u00e7\u00e3o<\/strong><\/h3>\n<ul>\n<li><strong>SPD \u201cde verdade\u201d (tr\u00eas pilares + rota\u00e7\u00e3o)<\/strong> melhora <strong>capacidade de campo, infiltra\u00e7\u00e3o e redu\u00e7\u00e3o de escoamento<\/strong>, preservando \u00e1gua no perfil \u2014 diretriz Embrapa\/FEBRAPDP. <a href=\"https:\/\/www.embrapa.br\/agencia-de-informacao-tecnologica\/tematicas\/sistema-plantio-direto\">[embrapa.br]<\/a>, <a href=\"https:\/\/www.infoteca.cnptia.embrapa.br\/infoteca\/bitstream\/doc\/1101765\/1\/Sistemaplantio.pdf\">[infoteca.c&#8230;embrapa.br]<\/a><\/li>\n<li><strong>Capta\u00e7\u00e3o difusa (\u201cbarraginhas\u201d) e drenagem\/terra\u00e7os<\/strong> combinados ao SPD ampliam a <strong>recarga local<\/strong> e amortecem picos de chuva \u2014 pr\u00e1tica difundida em Cerrado com literatura t\u00e9cnica correlata. (Nota: pr\u00e1tica operacional reconhecida em programas de manejo de \u00e1gua de chuva). <a href=\"https:\/\/www.embrapa.br\/agencia-de-informacao-tecnologica\/tematicas\/sistema-plantio-direto\">[embrapa.br]<\/a><\/li>\n<li><strong>Piv\u00f4 + sensores\/telemetria + ET<\/strong> em gr\u00e3os: ganhos de <strong>25%+<\/strong> no uso eficiente da \u00e1gua s\u00e3o fact\u00edveis quando manuten\u00e7\u00e3o e scheduling s\u00e3o otimizados (evid\u00eancia extrapol\u00e1vel de K-State para sistemas similares). <a href=\"https:\/\/www.ksre.k-state.edu\/news-and-publications\/news\/stories\/2025\/03\/agriculture-maximizing-irrigation-efficiency.html\">[ksre.k-state.edu]<\/a><\/li>\n<\/ul>\n<p><strong>3.2 Argentina e Chile: irriga\u00e7\u00e3o tecnificada sob variabilidade clim\u00e1tica<\/strong><\/p>\n<p><strong>Argentina<\/strong><br \/>\nA base produtiva de <strong>soja, milho, trigo e girassol<\/strong> \u00e9 majoritariamente <strong>de sequeiro<\/strong> (irriga\u00e7\u00e3o <strong>&lt;3%<\/strong> da \u00e1rea nesses cultivos), segundo o <strong>Global Yield Gap Atlas<\/strong>; a irriga\u00e7\u00e3o se concentra em <strong>fruticultura\/viticultura<\/strong> (Cuyo\/Patag\u00f4nia) e \u00e1reas espec\u00edficas.<br \/>\nEm 2025\/26, a FAO-GIEWS reporta <strong>recordes em trigo 2025 (27,8 Mt)<\/strong> e <strong>cereal total ~90,6 Mt<\/strong>, sustentados por precipita\u00e7\u00f5es adequadas \u2014 mas com <strong>riscos fitossanit\u00e1rios<\/strong> (cigarrinha no milho) e <strong>calor<\/strong> afetando parte das \u00e1reas; a baixa participa\u00e7\u00e3o da irriga\u00e7\u00e3o em gr\u00e3os real\u00e7a a <strong>depend\u00eancia clim\u00e1tica<\/strong> e a import\u00e2ncia de <strong>conserva\u00e7\u00e3o de solo\/\u00e1gua<\/strong> no sequeiro. <a href=\"https:\/\/www.yieldgap.org\/argentina\">[yieldgap.org]<\/a> <a href=\"https:\/\/www.fao.org\/giews\/countrybrief\/country.jsp?code=ARG\">[fao.org]<\/a><\/p>\n<p><strong>Chile<\/strong><br \/>\nSob <strong>megasseca<\/strong> e alta competi\u00e7\u00e3o por \u00e1gua, a agricultura \u2014 notadamente <strong>vinhedos e fruticultura<\/strong> \u2014 acelerou a <strong>irriga\u00e7\u00e3o por gotejamento\/micros<\/strong> e <strong>controle por sensores<\/strong>. Estudos de campo em vinhedos do Maule mostraram que <strong>irriga\u00e7\u00e3o deficit\u00e1ria (\u201325% a \u201350%)<\/strong> manteve <strong>produtividade<\/strong> e <strong>elevou a WUE<\/strong>, quando o balan\u00e7o h\u00eddrico do solo \u00e9 bem considerado.<br \/>\nNo plano sist\u00eamico, o pa\u00eds avan\u00e7a em <strong>re\u00faso e dessaliniza\u00e7\u00e3o<\/strong> em setores-l\u00edder (minera\u00e7\u00e3o) e pilotos agr\u00edcolas; s\u00ednteses recentes destacam <strong>expans\u00e3o do reuso<\/strong> e <strong>irriga\u00e7\u00e3o tecnificada<\/strong> como resposta \u00e0 escassez. <a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/epdf\/10.1002\/ird.2980\">[onlinelibr&#8230;.wiley.com]<\/a> <a href=\"https:\/\/idrawater.org\/news\/chiles-water-shift-from-drought-to-national-blueprint-for-reuse-and-desalination\/\">[idrawater.org]<\/a>, <a href=\"https:\/\/tierraverde.cl\/en\/aprende\/agua-agricultura-chilena\">[tierraverde.cl]<\/a><\/p>\n<p>&nbsp;<\/p>\n<h4><strong>4) Europa: regula\u00e7\u00e3o + tecnologia + re\u00faso<\/strong><\/h4>\n<p><strong>Estrutura regulat\u00f3ria e risco f\u00edsico<\/strong><\/p>\n<p>A UE opera com a <strong>Diretiva-Quadro da \u00c1gua (WFD)<\/strong> e a <strong>PAC 2023\u201327 (eco\u2011schemes)<\/strong> refor\u00e7ando metas de qualidade\/quantidade e incentivos \u00e0 <strong>agricultura de baixo impacto h\u00eddrico<\/strong>; 2022 registrou <strong>ampla \u00e1rea sob alerta de seca<\/strong> (CDI\/JRC), com tend\u00eancia de <strong>maior frequ\u00eancia de secas<\/strong> na d\u00e9cada. <a href=\"https:\/\/ces.ufl.edu\/eu-need-to-know\/2024\/eu-and-drought-how-they-get-on\/\">[ces.ufl.edu]<\/a><\/p>\n<h3 style=\"text-align: center\"><strong>Onde e quanto se irriga<\/strong><\/h3>\n<p>Dados Eurostat (\u00faltimo ciclo completo divulgado) indicam que <strong>~5,9% da UAA<\/strong> foi efetivamente irrigada (2016), com <strong>It\u00e1lia e Espanha<\/strong> liderando \u00e1rea irrig\u00e1vel; atualiza\u00e7\u00e3o metodol\u00f3gica (IFS 2023) est\u00e1 prevista para 2026. A irriga\u00e7\u00e3o na <strong>bacia mediterr\u00e2nea<\/strong> sustenta <strong>oliveiras, vinhedos, tomate industrial, hort\u00edcolas e cereais de primavera<\/strong>, tipicamente via <strong>gotejamento\/pressurizados<\/strong>. <a href=\"https:\/\/ec.europa.eu\/eurostat\/statistics-explained\/index.php\/Agri-environmental_indicator_-_irrigation\">[ec.europa.eu]<\/a>, <a href=\"https:\/\/ec.europa.eu\/eurostat\/statistics-explained\/SEPDF\/cache\/14965.pdf\">[ec.europa.eu]<\/a><\/p>\n<p><strong>Re\u00faso como fonte estrutural (Espanha em foco)<\/strong><\/p>\n<p><strong>Murcia<\/strong> recicla <strong>~98%<\/strong> do efluente municipal (padr\u00f5es de desinfec\u00e7\u00e3o) e <strong>supre ~15%<\/strong> da demanda de irriga\u00e7\u00e3o regional \u2014 um benchmark para <strong>re\u00faso agr\u00edcola seguro<\/strong> sob escassez. <a href=\"https:\/\/phys.org\/news\/2023-06-spain-crops-wastewater.pdf\">[phys.org]<\/a><\/p>\n<p>Avalia\u00e7\u00f5es recentes apontam <strong>barreiras e solu\u00e7\u00f5es<\/strong> (salinidade, contaminantes emergentes, arranjos institucionais) e <strong>viabilidade econ\u00f4mico\u2011ambiental<\/strong> (nutrientes + menor emiss\u00e3o em cadeia) para <strong>reuso no sul da Espanha<\/strong>, em alinhamento ao <strong>Regulamento (UE) 2020\/741<\/strong>. <a href=\"https:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/02508060.2025.2485856\">[tandfonline.com]<\/a>, <a href=\"https:\/\/www.mdpi.com\/2076-3298\/12\/4\/130\">[mdpi.com]<\/a><\/p>\n<ul>\n<li>S\u00ednteses setoriais europeias mostram que <strong>agricultura responde por ~28% das capta\u00e7\u00f5es de \u00e1gua da UE<\/strong> e que <strong>tecnologias de irriga\u00e7\u00e3o eficiente<\/strong> (p.ex., gotejamento) oferecem <strong>economias de 10\u201346%<\/strong> de \u00e1gua dependendo do tipo de cultivo, com <strong>redu\u00e7\u00e3o de energia at\u00e9 50%<\/strong> em bombeamento. <a href=\"https:\/\/watereurope.eu\/wp-content\/uploads\/2024\/12\/Agri-Infographics-and-Factsheets-11.2024.pdf\">[watereurope.eu]<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h4><strong>5) Quadro comparativo \u2014 cultivos principais e tend\u00eancias de irriga\u00e7\u00e3o<\/strong><\/h4>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td>Bloco<\/td>\n<td width=\"144\">Cultivos irrigados de maior relev\u00e2ncia<\/td>\n<td>Tend\u00eancias de tecnologia\/gest\u00e3o<\/td>\n<td>Evid\u00eancias de efici\u00eancia<\/td>\n<\/tr>\n<tr>\n<td><strong>Am\u00e9rica do Norte (EUA\/Canad\u00e1)<\/strong><\/td>\n<td width=\"144\">Milho, algod\u00e3o, alfafa, hortifruti (EUA \u2013 High Plains\/Calif\u00f3rnia)<\/td>\n<td>Piv\u00f4 com <strong>sensores on\u2011pivot<\/strong>, telemetria, ET\/automa\u00e7\u00e3o, ajuste de velocidade<\/td>\n<td><strong>Economia at\u00e9 ~25%<\/strong> (ajuste + manuten\u00e7\u00e3o); redu\u00e7\u00e3o de l\u00e2mina mantendo rendimento (sensores on\u2011pivot) <a href=\"https:\/\/www.ksre.k-state.edu\/news-and-publications\/news\/stories\/2025\/03\/agriculture-maximizing-irrigation-efficiency.html\">[ksre.k-state.edu]<\/a>, <a href=\"https:\/\/heeren.unl.edu\/pivot-mounted-sensors\/\">[heeren.unl.edu]<\/a><\/td>\n<\/tr>\n<tr>\n<td><strong>Am\u00e9rica do Sul (Brasil)<\/strong><\/td>\n<td width=\"144\">Arroz (Sul), cana (Centro\u2011Sul), hortifruti\/caf\u00e9 (Sudeste), gr\u00e3os sob piv\u00f4 (Cerrado\/MATOPIBA)<\/td>\n<td><strong>SPD<\/strong>, <strong>ILPF<\/strong>, capta\u00e7\u00e3o de chuva local, piv\u00f4 + sensores<\/td>\n<td>SPD\/ILPF \u2191 infiltra\u00e7\u00e3o\/armazenagem; piv\u00f4 otimizado com ganhos <strong>&gt;25%<\/strong> em \u00e1gua aplicada (casos an\u00e1logos) <a href=\"https:\/\/www.plantiodireto.org.br\/\">[plantiodireto.org.br]<\/a>, <a href=\"https:\/\/redeilpf.org.br\/ilpf-em-numeros\/\">[redeilpf.org.br]<\/a>, <a href=\"https:\/\/www.ksre.k-state.edu\/news-and-publications\/news\/stories\/2025\/03\/agriculture-maximizing-irrigation-efficiency.html\">[ksre.k-state.edu]<\/a><\/td>\n<\/tr>\n<tr>\n<td><strong>Am\u00e9rica do Sul (Argentina\/Chile)<\/strong><\/td>\n<td width=\"144\">Argentina: fruticultura\/viticultura irrigada; gr\u00e3os majoritariamente sequeiro. Chile: vinhedos, frutas<\/td>\n<td>Gotejamento\/micro, <strong>d\u00e9ficit controlado<\/strong>, sensores; reuso emergente (Chile)<\/td>\n<td>Vinhedos no Maule: <strong>\u201325% a \u201350% de l\u00e2mina<\/strong> mantendo produtividade e \u2191 WUE <a href=\"https:\/\/www.yieldgap.org\/argentina\">[yieldgap.org]<\/a>, <a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/epdf\/10.1002\/ird.2980\">[onlinelibr&#8230;.wiley.com]<\/a><\/td>\n<\/tr>\n<tr>\n<td><strong>Europa (Med.)<\/strong><\/td>\n<td width=\"144\">Oliveiras, vinhedos, tomate industrial, hort\u00edcolas, cereais irrigados<\/td>\n<td>Gotejamento P&lt;, automa\u00e7\u00e3o clim\u00e1tica, <strong>re\u00faso<\/strong> (Espanha), sat\u00e9lite<\/td>\n<td><strong>Re\u00faso em Murcia<\/strong> cobre ~15% da irriga\u00e7\u00e3o; potencial de economia <strong>10\u201346%<\/strong> com gotejamento; CAP\/WFD impulsionam ado\u00e7\u00e3o <a href=\"https:\/\/phys.org\/news\/2023-06-spain-crops-wastewater.pdf\">[phys.org]<\/a>, <a href=\"https:\/\/watereurope.eu\/wp-content\/uploads\/2024\/12\/Agri-Infographics-and-Factsheets-11.2024.pdf\">[watereurope.eu]<\/a>, <a href=\"https:\/\/ces.ufl.edu\/eu-need-to-know\/2024\/eu-and-drought-how-they-get-on\/\">[ces.ufl.edu]<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u00a0<\/strong><\/p>\n<h4><strong>6) Recomenda\u00e7\u00f5es t\u00e9cnicas (com base em evid\u00eancias)<\/strong><\/h4>\n<ol>\n<li><strong>Gerir a \u00e1gua como insumo de precis\u00e3o (todos os blocos):<\/strong>\n<ul>\n<li><strong>Diagn\u00f3stico hidr\u00e1ulico anual<\/strong> dos sistemas (press\u00e3o, reguladores, bocais, uniformidade) + <strong>calibra\u00e7\u00e3o do scheduling<\/strong> com <strong>sensores\/ET<\/strong>. Ganhos operacionais imediatos reportados em Kansas e High Plains. <a href=\"https:\/\/www.ksre.k-state.edu\/news-and-publications\/news\/stories\/2025\/03\/agriculture-maximizing-irrigation-efficiency.html\">[ksre.k-state.edu]<\/a>, <a href=\"https:\/\/hpj.com\/2025\/05\/23\/k-state-study-slowing-down-pivots-can-improve-water-efficiency-and-yields\/\">[hpj.com]<\/a><\/li>\n<\/ul>\n<\/li>\n<li><strong>Automa\u00e7\u00e3o orientada por estresse da planta (EUA\/BR\/UE):<\/strong>\n<ul>\n<li><strong>Sensores on\u2011pivot\/termografia<\/strong> para gatilhar irriga\u00e7\u00e3o sem penalizar rendimento e <strong>reduzir l\u00e2minas<\/strong> versus pr\u00e1ticas tradicionais. <a href=\"https:\/\/heeren.unl.edu\/pivot-mounted-sensors\/\">[heeren.unl.edu]<\/a><\/li>\n<\/ul>\n<\/li>\n<li><strong>Conserva\u00e7\u00e3o de solo-\u00e1gua como infraestrutura verde (Am. do Sul):<\/strong>\n<ul>\n<li><strong>SPD e ILPF<\/strong> ampliam <strong>infiltra\u00e7\u00e3o, MO e capacidade de reten\u00e7\u00e3o<\/strong>, amortecendo extremos clim\u00e1ticos e melhorando <strong>efici\u00eancia do uso da \u00e1gua<\/strong> no sistema produtivo. <a href=\"https:\/\/www.embrapa.br\/agencia-de-informacao-tecnologica\/tematicas\/sistema-plantio-direto\">[embrapa.br]<\/a>, <a href=\"https:\/\/redeilpf.org.br\/ilpf-em-numeros\/\">[redeilpf.org.br]<\/a><\/li>\n<\/ul>\n<\/li>\n<li><strong>Re\u00faso de \u00e1gua e fontes alternativas (UE\/Chile):<\/strong>\n<ul>\n<li><strong>Re\u00faso tratado<\/strong> para irriga\u00e7\u00e3o com <strong>gest\u00e3o de salinidade e nutrientes<\/strong>, sob marcos regulat\u00f3rios (UE 2020\/741) e projetos com <strong>viabilidade ambiental positiva<\/strong>. <a href=\"https:\/\/www.mdpi.com\/2076-3298\/12\/4\/130\">[mdpi.com]<\/a>, <a href=\"https:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/02508060.2025.2485856\">[tandfonline.com]<\/a><\/li>\n<\/ul>\n<\/li>\n<li><strong>Governan\u00e7a de aqu\u00edferos e metas por bacia (EUA):<\/strong>\n<ul>\n<li><strong>Planos multissetoriais<\/strong> (ex.: Ogallala) com metas de <strong>demanda\/recarga<\/strong> e <strong>inova\u00e7\u00e3o agr\u00edcola<\/strong> para prolongar a vida \u00fatil do aqu\u00edfero. <a href=\"https:\/\/www.drought.gov\/documents\/2024-ogallala-aquifer-summit-summary-report\">[drought.gov]<\/a>, <a href=\"https:\/\/ogallala.tamu.edu\/\">[ogallala.tamu.edu]<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h4><strong>7) Indicadores-chave para acompanhamento <\/strong><\/h4>\n<ul>\n<li><strong>WUE agr\u00edcola (US$ PIB agr\u00edcola\/m\u00b3)<\/strong> e <strong>\u00e1rea com irriga\u00e7\u00e3o eficiente (gotejo\/piv\u00f4 com VRI\/sensores)<\/strong> por bacia. (Fonte prim\u00e1ria: FAO AQUASTAT\/ODS 6.4) <a href=\"https:\/\/www.unwater.org\/news\/fao-2025-aquastat-water-data\">[unwater.org]<\/a><\/li>\n<li><strong>\u00cdndice de estresse h\u00eddrico (retiradas\/recursos renov\u00e1veis)<\/strong> por regi\u00e3o agr\u00edcola. (AQUASTAT 2025) <a href=\"https:\/\/reliefweb.int\/report\/world\/aquastat-water-data-snapshot-2025\">[reliefweb.int]<\/a><\/li>\n<li><strong>% de \u00e1rea sob SPD\/ILPF<\/strong> e <strong>taxa de infiltra\u00e7\u00e3o efetiva<\/strong> em \u00e1reas de expans\u00e3o de sequeiro (BR). (FEBRAPDP\/Rede ILPF) <a href=\"https:\/\/www.plantiodireto.org.br\/\">[plantiodireto.org.br]<\/a>, <a href=\"https:\/\/redeilpf.org.br\/ilpf-em-numeros\/\">[redeilpf.org.br]<\/a><\/li>\n<li><strong>% de irriga\u00e7\u00e3o com reuso seguro<\/strong> e <strong>condutividade\/Na<\/strong> na solu\u00e7\u00e3o do solo (UE\/Espanha). (estudos Espanha; WFD) <a href=\"https:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/02508060.2025.2485856\">[tandfonline.com]<\/a>, <a href=\"https:\/\/www.mdpi.com\/2076-3298\/12\/4\/130\">[mdpi.com]<\/a><\/li>\n<li><strong>Varia\u00e7\u00e3o de n\u00edvel\/armazenamento em aqu\u00edferos cr\u00edticos<\/strong> vs. <strong>economia de l\u00e2mina<\/strong> por tecnologia (EUA\/Ogallala). (USGS\/KGS\/NIDIS) <a href=\"https:\/\/ne.water.usgs.gov\/ogw\/hpwlms\/\">[ne.water.usgs.gov]<\/a>, <a href=\"https:\/\/journals.ku.edu\/kgsts\/article\/view\/24127\">[journals.ku.edu]<\/a>, <a href=\"https:\/\/www.drought.gov\/documents\/2024-ogallala-aquifer-summit-summary-report\">[drought.gov]<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h4><strong>8) Conclus\u00e3o <\/strong><\/h4>\n<p>A evid\u00eancia mais recente converge: <strong>efici\u00eancia h\u00eddrica<\/strong> no agro n\u00e3o depende apenas de \u201cgrande tecnologia\u201d \u2014 <strong>gest\u00e3o fina<\/strong> de sistema, <strong>sensoriamento aplicado<\/strong>, e <strong>conserva\u00e7\u00e3o de solo<\/strong> (SPD\/ILPF) <strong>j\u00e1 entregam ganhos de 20\u201340%<\/strong> em uso de \u00e1gua <strong>com manuten\u00e7\u00e3o de produtividade<\/strong> em m\u00faltiplos contextos.\u00a0 Re\u00faso <strong>seguro<\/strong> e <strong>governan\u00e7a de aqu\u00edferos<\/strong> completam a equa\u00e7\u00e3o em regi\u00f5es sob <strong>estresse cr\u00f4nico<\/strong>. O pr\u00f3ximo salto competitivo vir\u00e1 de <strong>pain\u00e9is de indicadores<\/strong> e <strong>escalonamento de pr\u00e1ticas comprovadas<\/strong> por bacia e cadeia.<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<h4><strong>Sobre o autor:<\/strong><\/h4>\n<p data-start=\"93\" data-end=\"426\"><em>Felipe Sulzbach \u00e9 Country Head da Elicit Plant Brasil. Engenheiro agr\u00f4nomo com ampla experi\u00eancia no setor agr\u00edcola, atua em estreita colabora\u00e7\u00e3o com produtores, parceiros e equipes t\u00e9cnicas para impulsionar solu\u00e7\u00f5es inovadoras que ajudam as culturas a enfrentar melhor o estresse clim\u00e1tico e a melhorar a efici\u00eancia no uso da \u00e1gua.<\/em><\/p>\n<p data-start=\"428\" data-end=\"648\"><em>Foi tamb\u00e9m docente na Funda\u00e7\u00e3o Agr\u00edcola Teut\u00f4nia, no curso profissionalizante T\u00e9cnico em Agropecu\u00e1ria, onde ministrou disciplinas de Irriga\u00e7\u00e3o e Drenagem, Culturas Anuais e Regionais, al\u00e9m de Constru\u00e7\u00f5es e Instala\u00e7\u00f5es.<\/em><\/p>\n<p data-start=\"650\" data-end=\"782\" data-is-last-node=\"\" data-is-only-node=\"\"><em>Seu trabalho est\u00e1 focado no fortalecimento da resili\u00eancia agr\u00edcola e no apoio a sistemas de produ\u00e7\u00e3o mais sustent\u00e1veis e produtivos.<\/em><\/p>\n<h4><strong>Refer\u00eancias (sele\u00e7\u00e3o citada no texto)<\/strong><\/h4>\n<ul>\n<li><strong>FAO AQUASTAT 2025 \/ UN\u2011Water (2026)<\/strong> \u2014 agricultura \u224872% das retiradas; queda 7% na \u00e1gua per capita. <a href=\"https:\/\/www.unwater.org\/news\/fao-2025-aquastat-water-data\">[unwater.org]<\/a>, <a href=\"https:\/\/reliefweb.int\/report\/world\/aquastat-water-data-snapshot-2025\">[reliefweb.int]<\/a>, <a href=\"https:\/\/www.waterdiplomat.org\/story\/2026\/03\/faos-aquastat-water-data-snapshot-2025\">[waterdiplomat.org]<\/a><\/li>\n<li><strong>UNESCO WWDR 2024<\/strong> \u2014 estat\u00edsticas globais de uso\/escassez. <a href=\"https:\/\/www.unesco.org\/reports\/wwdr\/en\/2024\/s\">[unesco.org]<\/a><\/li>\n<li><strong>USGS \/ Kansas Geological Survey \/ NIDIS \/ USDA Climate Hubs<\/strong> \u2014 status e governan\u00e7a do Ogallala. <a href=\"https:\/\/ne.water.usgs.gov\/ogw\/hpwlms\/\">[ne.water.usgs.gov]<\/a>, <a href=\"https:\/\/journals.ku.edu\/kgsts\/article\/view\/24127\">[journals.ku.edu]<\/a>, <a href=\"https:\/\/www.drought.gov\/documents\/2024-ogallala-aquifer-summit-summary-report\">[drought.gov]<\/a>, <a href=\"https:\/\/www.climatehubs.usda.gov\/sites\/default\/files\/Ogallala%20Overview%20241202.pdf\">[climatehubs.usda.gov]<\/a><\/li>\n<li><strong>K\u2011State Research &amp; Extension (2025)<\/strong> \u2014 efici\u00eancia por ajuste operacional de piv\u00f4s e O&amp;M. <a href=\"https:\/\/www.ksre.k-state.edu\/news-and-publications\/news\/stories\/2025\/03\/agriculture-maximizing-irrigation-efficiency.html\">[ksre.k-state.edu]<\/a>, <a href=\"https:\/\/hpj.com\/2025\/05\/23\/k-state-study-slowing-down-pivots-can-improve-water-efficiency-and-yields\/\">[hpj.com]<\/a>, <a href=\"https:\/\/irrigationtoday.org\/news\/k-state-study-slower-pivot-speeds-improve-water-efficiency-and-yields\/\">[irrigationtoday.org]<\/a><\/li>\n<li><strong>UNL\/Heeren (2022\u20132025)<\/strong> \u2014 sensores montados no piv\u00f4 reduzem aplica\u00e7\u00f5es mantendo rendimento. <a href=\"https:\/\/heeren.unl.edu\/pivot-mounted-sensors\/\">[heeren.unl.edu]<\/a><\/li>\n<li><strong>ANA \u2013 Conjuntura 2023<\/strong> \u2014 composi\u00e7\u00e3o das retiradas e eventos extremos no Brasil. <a href=\"https:\/\/agenciagov.ebc.com.br\/noticias\/202402\/relatorio-conjuntura-dos-recursos-hidricos-no-brasil-atualiza-informacoes-sobre-aguas-do-pais\">[agenciagov&#8230;ebc.com.br]<\/a>, <a href=\"https:\/\/www.ceivap.org.br\/noticias\/ana-lanca-relatorio-de-conjuntura-dos-recursos-hidricos-no-brasil-de-2023\">[ceivap.org.br]<\/a><\/li>\n<li><strong>FEBRAPDP \/ Embrapa (SPD)<\/strong> \u2014 princ\u00edpios e escala do SPD. <a href=\"https:\/\/www.plantiodireto.org.br\/\">[plantiodireto.org.br]<\/a>, <a href=\"https:\/\/www.embrapa.br\/agencia-de-informacao-tecnologica\/tematicas\/sistema-plantio-direto\">[embrapa.br]<\/a><\/li>\n<li><strong>Rede ILPF \/ DBO<\/strong> \u2014 escala atual da ILPF (~17,4\u201320,1 Mha). <a href=\"https:\/\/redeilpf.org.br\/ilpf-em-numeros\/\">[redeilpf.org.br]<\/a>, <a href=\"https:\/\/portaldbo.com.br\/revistadbo\/ilpf-segue-na-casa-dos-20-milhoes-de-ha\/\">[portaldbo.com.br]<\/a><\/li>\n<li><strong>FAO\u2011GIEWS (2026) \/ Yield Gap Atlas<\/strong> \u2014 Argentina (estrutura de produ\u00e7\u00e3o; baixa irriga\u00e7\u00e3o em gr\u00e3os). <a href=\"https:\/\/www.fao.org\/giews\/countrybrief\/country.jsp?code=ARG\">[fao.org]<\/a>, <a href=\"https:\/\/www.yieldgap.org\/argentina\">[yieldgap.org]<\/a><\/li>\n<li><strong>Wiley (2024)<\/strong> \u2014 vinhedos no Chile: d\u00e9ficit controlado mant\u00e9m rendimento e \u2191WUE. <a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/epdf\/10.1002\/ird.2980\">[onlinelibr&#8230;.wiley.com]<\/a><\/li>\n<li><strong>Eurostat \/ UE<\/strong> \u2014 irriga\u00e7\u00e3o na UE; WFD\/CAP 2023\u201327 e seca 2022. <a href=\"https:\/\/ec.europa.eu\/eurostat\/statistics-explained\/index.php\/Agri-environmental_indicator_-_irrigation\">[ec.europa.eu]<\/a>, <a href=\"https:\/\/ec.europa.eu\/eurostat\/statistics-explained\/SEPDF\/cache\/14965.pdf\">[ec.europa.eu]<\/a>, <a href=\"https:\/\/ces.ufl.edu\/eu-need-to-know\/2024\/eu-and-drought-how-they-get-on\/\">[ces.ufl.edu]<\/a><\/li>\n<li><strong>Murcia (Phys.org, 2023)<\/strong> \u2014 98% do efluente urbano reciclado; ~15% da irriga\u00e7\u00e3o regional. <a href=\"https:\/\/phys.org\/news\/2023-06-spain-crops-wastewater.pdf\">[phys.org]<\/a><\/li>\n<li><strong>T&amp;F\/MDPI (2025)<\/strong> \u2014 barreiras e CBA positivas para reuso agr\u00edcola na Espanha. <a href=\"https:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/02508060.2025.2485856\">[tandfonline.com]<\/a>, <a href=\"https:\/\/www.mdpi.com\/2076-3298\/12\/4\/130\">[mdpi.com]<\/a><\/li>\n<\/ul>\n\n            <div style=\"clear: both;\"><\/div>\n        <\/div>\n    <\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>A melhoria da efici\u00eancia no uso da \u00e1gua na agricultura tornou-se uma prioridade estrat\u00e9gica diante da variabilidade clim\u00e1tica, da crescente escassez h\u00eddrica e do aumento da demanda global por alimentos. Em diferentes continentes, evid\u00eancias mostram que uma melhor gest\u00e3o da irriga\u00e7\u00e3o, pr\u00e1ticas de conserva\u00e7\u00e3o de \u00e1gua no solo e tecnologias de precis\u00e3o podem aumentar significativamente a produtividade, ao mesmo tempo em que preservam os recursos h\u00eddricos. Este artigo revisa as principais evid\u00eancias t\u00e9cnicas e abordagens pr\u00e1ticas que est\u00e3o ajudando os sistemas agr\u00edcolas a produzir mais com cada gota de \u00e1gua.<\/p>\n","protected":false},"author":9,"featured_media":1350,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10],"class_list":["post-1343","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-estresse-hidrico"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dia Internacional da \u00c1gua - Elicit Plant Brasil<\/title>\n<meta name=\"description\" content=\"A agricultura responde por cerca de 70% do uso global de \u00e1gua doce, em um cen\u00e1rio de crescente escassez e variabilidade clim\u00e1tica. 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