{"id":59789,"date":"2026-06-19T18:48:16","date_gmt":"2026-06-19T18:48:16","guid":{"rendered":"https:\/\/growithjane.com\/ec-no-cultivo-de-cannabis-concentracao-de-nutrientes\/"},"modified":"2026-07-31T16:31:13","modified_gmt":"2026-07-31T16:31:13","slug":"ec-no-cultivo-de-cannabis-concentracao-de-nutrientes","status":"publish","type":"post","link":"https:\/\/growithjane.com\/pt-br\/ec-no-cultivo-de-cannabis-concentracao-de-nutrientes\/","title":{"rendered":"O que \u00e9 EC e como isso se relaciona com a concentra\u00e7\u00e3o de nutrientes no cultivo de cannabis?"},"content":{"rendered":"\n<p class=\"has-base-background-color has-background\"><strong>Resumindo:<br\/><\/strong><br\/> <strong>A CE (condutividade el\u00e9trica) \u00e9 uma maneira pr\u00e1tica de estimar a concentra\u00e7\u00e3o de nutrientes no cultivo de cannabis, medindo a concentra\u00e7\u00e3o de sais minerais dissolvidos na \u00e1gua e na zona radicular.<\/strong> Embora n\u00e3o identifique nutrientes espec\u00edficos, ajuda os cultivadores a evitar tanto a subnutri\u00e7\u00e3o quanto a supernutri\u00e7\u00e3o.<br\/><br\/> Compreender a condutividade el\u00e9trica (CE), juntamente com o pH, permite aos produtores interpretar a disponibilidade de nutrientes com mais precis\u00e3o, <strong>prevenir queimaduras ou defici\u00eancias nutricionais e tomar melhores decis\u00f5es<\/strong> .<\/p>\n\t\t\t\t<div class=\"wp-block-uagb-table-of-contents uagb-toc__align-left uagb-toc__columns-1  uagb-block-097a5bb7      \"\n\t\t\t\t\tdata-scroll= \"1\"\n\t\t\t\t\tdata-offset= \"30\"\n\t\t\t\t\tstyle=\"\"\n\t\t\t\t>\n\t\t\t\t<div class=\"uagb-toc__wrap\">\n\t\t\t\t\t\t<div class=\"uagb-toc__title\">\n\t\t\t\t\t\t\tTabela de conte\u00fados\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"uagb-toc__list-wrap \">\n\t\t\t\t\t\t<ol class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#o-que-\u00e9-ec-no-cultivo-de-cannabis\" class=\"uagb-toc-link__trigger\">O que \u00e9 EC no cultivo de cannabis?<\/a><li class=\"uagb-toc__list\"><a href=\"#o-que-a-condutividade-el\u00e9trica-mede\" class=\"uagb-toc-link__trigger\">O que a condutividade el\u00e9trica mede?<\/a><li class=\"uagb-toc__list\"><a href=\"#ec-x-ppm-x-tds\" class=\"uagb-toc-link__trigger\">EC x PPM x TDS<\/a><li class=\"uagb-toc__list\"><a href=\"#por-que-a-\u00e1gua-pura-tem-uma-condutividade-el\u00e9trica-ce-muito-baixa\" class=\"uagb-toc-link__trigger\">Por que a \u00e1gua pura tem uma condutividade el\u00e9trica (CE) muito baixa?<\/a><li class=\"uagb-toc__list\"><a href=\"#como-a-ec-se-relaciona-com-a-concentra\u00e7\u00e3o-de-nutrientes\" class=\"uagb-toc-link__trigger\">Como a EC se relaciona com a concentra\u00e7\u00e3o de nutrientes<\/a><li class=\"uagb-toc__list\"><a href=\"#por-que-um-ec-muito-baixo-pode-ser-um-problema\" class=\"uagb-toc-link__trigger\">Por que um EC muito baixo pode ser um problema<\/a><li class=\"uagb-toc__list\"><a href=\"#por-que-uma-ec-muito-alta-pode-prejudicar-as-plantas\" class=\"uagb-toc-link__trigger\">Por que uma EC muito alta pode prejudicar as plantas<\/a><li class=\"uagb-toc__list\"><a href=\"#por-que-a-ec-muda-com-o-tempo-na-zona-radicular\" class=\"uagb-toc-link__trigger\">Por que a EC muda com o tempo na zona radicular<\/a><li class=\"uagb-toc__list\"><a href=\"#a-ec-e-o-ph-atuam-em-conjunto\" class=\"uagb-toc-link__trigger\">A EC e o pH atuam em conjunto<\/a><li class=\"uagb-toc__list\"><a href=\"#considera\u00e7\u00f5es-finais\" class=\"uagb-toc-link__trigger\">Considera\u00e7\u00f5es finais<\/a><li class=\"uagb-toc__list\"><a href=\"#s\u00e9rie-ph-ce-alcalinidade\" class=\"uagb-toc-link__trigger\">S\u00e9rie pH \u2013 CE \u2013 Alcalinidade<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#grow-with-the-best-cannabis-growing-app\" class=\"uagb-toc-link__trigger\">Grow with the best cannabis growing app<\/a><\/ul><\/ol>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\n<p>A condutividade el\u00e9trica (CE) \u00e9 usada no cultivo de cannabis para estimar a concentra\u00e7\u00e3o de nutrientes e entender o que est\u00e1 acontecendo na zona radicular. Mas a CE tamb\u00e9m \u00e9 uma das medidas mais mal interpretadas. Muitos cultivadores acham que a CE mostra diretamente a quantidade de nutrientes que a planta recebe. Mas n\u00e3o \u00e9 assim.   <\/p>\n\n<p>Entender o que o EC mede, o que ele n\u00e3o mede e como ele se comporta ao longo do tempo pode te ajudar a evitar tanto a superalimenta\u00e7\u00e3o quanto as defici\u00eancias e a tomar decis\u00f5es mais bem informadas durante todo o ciclo de cultivo.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>O que \u00e9 EC no cultivo de cannabis?<\/strong><\/h2>\n\n<p>EC significa <strong>condutividade el\u00e9trica<\/strong>.<\/p>\n\n<p>Em termos simples, a condutividade el\u00e9trica (CE) mede <strong>a capacidade da \u00e1gua de conduzir eletricidade<\/strong>.<\/p>\n\n<p>A \u00e1gua, por si s\u00f3, \u00e9, na verdade, um mau condutor. O que permite que a eletricidade passe pela \u00e1gua s\u00e3o <strong>as part\u00edculas carregadas dissolvidas, chamadas \u00edons<\/strong>. <\/p>\n\n<p>No cultivo de cannabis, esses \u00edons v\u00eam principalmente de:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Sais minerais<\/li>\n\n\n\n<li>Fertilizantes<\/li>\n\n\n\n<li>O c\u00e1lcio e o magn\u00e9sio est\u00e3o presentes na \u00e1gua<\/li>\n\n\n\n<li>Nutrientes dissolvidos na zona radicular<\/li>\n<\/ul>\n\n<p>Quanto mais \u00edons dissolvidos houver, maior ser\u00e1 o valor da EC.<\/p>\n\n<p>\u00c9 por isso que os produtores costumam usar a CE como uma medida indireta da <strong>concentra\u00e7\u00e3o de nutrientes<\/strong>.<\/p>\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"563\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/GWJ_ph-ands-nutrients-lockdown_02-2.jpg?resize=1000%2C563&#038;ssl=1\" alt=\"rega de plantas de cannabis ph bloqueio de nutrientes\" class=\"wp-image-57817\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/GWJ_ph-ands-nutrients-lockdown_02-2.jpg?w=1000&amp;ssl=1 1000w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/GWJ_ph-ands-nutrients-lockdown_02-2.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/GWJ_ph-ands-nutrients-lockdown_02-2.jpg?resize=768%2C432&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" data-recalc-dims=\"1\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\"><strong>O que a condutividade el\u00e9trica mede?<\/strong><\/h2>\n\n<p>A EC mede a <strong>concentra\u00e7\u00e3o total de \u00edons dissolvidos em uma solu\u00e7\u00e3o<\/strong>.<\/p>\n\n<p>Exemplos de subst\u00e2ncias que aumentam a EC:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Nitrato (NO\u2083\u207b)<\/li>\n\n\n\n<li>Pot\u00e1ssio (K\u207a)<\/li>\n\n\n\n<li>C\u00e1lcio (Ca\u00b2\u207a)<\/li>\n\n\n\n<li>Magn\u00e9sio (Mg\u00b2\u207a)<\/li>\n\n\n\n<li>\u00cdons relacionados ao fosfato<\/li>\n\n\n\n<li>A maioria dos fertilizantes minerais<\/li>\n<\/ul>\n\n<p>Mas o EC tem limita\u00e7\u00f5es importantes.<\/p>\n\n<p>Isso <strong>n\u00e3o diz quais nutrientes est\u00e3o presentes<\/strong>.<\/p>\n\n<p>Duas solu\u00e7\u00f5es nutritivas podem ter a mesma EC e perfis nutricionais completamente diferentes.<\/p>\n\n<p>O EC tamb\u00e9m n\u00e3o reflete adequadamente muitas subst\u00e2ncias, incluindo:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Fontes de nitrog\u00eanio \u00e0 base de ureia<\/li>\n\n\n\n<li>A\u00e7\u00facares<\/li>\n\n\n\n<li>Mela\u00e7o<\/li>\n\n\n\n<li>Alguns compostos org\u00e2nicos<\/li>\n<\/ul>\n\n<p>Isso significa que uma solu\u00e7\u00e3o pode conter o material e, mesmo assim, apresentar uma condutividade relativamente baixa.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/2-fertilizer-bottles-_urea-nitrogen_-and-NPK-3_1_2_-grow-with-jane.jpg?resize=1024%2C1024&#038;ssl=1\" alt=\"frascos de fertilizante para cannabis com nitrog&#xEA;nio e ureia\" class=\"wp-image-57867\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/2-fertilizer-bottles-_urea-nitrogen_-and-NPK-3_1_2_-grow-with-jane.jpg?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/2-fertilizer-bottles-_urea-nitrogen_-and-NPK-3_1_2_-grow-with-jane.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/2-fertilizer-bottles-_urea-nitrogen_-and-NPK-3_1_2_-grow-with-jane.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/2-fertilizer-bottles-_urea-nitrogen_-and-NPK-3_1_2_-grow-with-jane.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/2-fertilizer-bottles-_urea-nitrogen_-and-NPK-3_1_2_-grow-with-jane.jpg?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/2-fertilizer-bottles-_urea-nitrogen_-and-NPK-3_1_2_-grow-with-jane.jpg?w=1120&amp;ssl=1 1120w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-recalc-dims=\"1\" \/><\/figure><\/div>\n<h2 class=\"wp-block-heading\"><strong>EC x PPM x TDS<\/strong><\/h2>\n\n<p>\u00c9 a\u00ed que come\u00e7a muita confus\u00e3o.<\/p>\n\n<p>EC \u00e9 a medi\u00e7\u00e3o real.<\/p>\n\n<p>PPM (partes por milh\u00e3o) e TDS (total de s\u00f3lidos dissolvidos) s\u00e3o <strong>estimativas convertidas com base na condutividade el\u00e9trica (CE)<\/strong>.<\/p>\n\n<p>Medidores diferentes usam fatores de convers\u00e3o diferentes.<\/p>\n\n<p>Exemplos comuns:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Escala 500 (convers\u00e3o de 0,5)<\/strong><\/li>\n\n\n\n<li><strong>Escala 700 (convers\u00e3o de 0,7)<\/strong><\/li>\n<\/ul>\n\n<p>Exemplo:<\/p>\n\n<p>Um valor de EC de 2,0 pode aparecer assim:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>1.000 ppm em um medidor com escala de 500<\/li>\n\n\n\n<li>1.400 ppm em um medidor de escala 700<\/li>\n<\/ul>\n\n<p>A mesma \u00e1gua. A mesma condutividade. Um n\u00famero diferente no visor.  <\/p>\n\n<p>\u00c9 por isso que os produtores \u00e0s vezes comparam os valores em ppm e acham que tem algo errado.<\/p>\n\n<p>O EC evita essa confus\u00e3o porque \u00e9 a unidade de medida universal por tr\u00e1s de todas as convers\u00f5es.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Por que a \u00e1gua pura tem uma condutividade el\u00e9trica (CE) muito baixa?<\/strong><\/h2>\n\n<p>A \u00e1gua destilada e a \u00e1gua de osmose reversa (RO) costumam apresentar valores de EC extremamente baixos, pois a maioria dos minerais dissolvidos foi removida.<\/p>\n\n<p>A \u00e1gua muito pura cont\u00e9m pouqu\u00edssimos \u00edons capazes de conduzir eletricidade.<\/p>\n\n<p>\u00c9 por isso que os produtores que usam \u00e1gua de osmose reversa (RO) geralmente precisam adicionar nutrientes e, \u00e0s vezes, c\u00e1lcio e magn\u00e9sio antes da irriga\u00e7\u00e3o.<\/p>\n\n<p>A \u00e1gua da torneira se comporta de maneira diferente dependendo do teor de minerais e da alcalinidade locais.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"820\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image.png?resize=400%2C820&#038;ssl=1\" alt=\"Medidor de EC DiST 3 da Hanna\" class=\"wp-image-59169\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image.png?w=400&amp;ssl=1 400w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image.png?resize=146%2C300&amp;ssl=1 146w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" data-recalc-dims=\"1\" \/><\/figure><\/div>\n<p><\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Como a EC se relaciona com a concentra\u00e7\u00e3o de nutrientes<\/strong><\/h2>\n\n<p>A EC \u00e9 comumente usada como um indicador pr\u00e1tico da concentra\u00e7\u00e3o de nutrientes.<\/p>\n\n<p>Em geral:<\/p>\n\n<p><strong>Quanto maior a EC, mais sais dissolvidos e mais concentrada a solu\u00e7\u00e3o nutritiva<\/strong><\/p>\n\n<p>\u00c0 medida que a concentra\u00e7\u00e3o de nutrientes aumenta:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>A press\u00e3o osm\u00f3tica aumenta<\/li>\n\n\n\n<li>As ra\u00edzes se esfor\u00e7am mais para absorver \u00e1gua<\/li>\n\n\n\n<li>Mudan\u00e7as na disponibilidade de nutrientes<\/li>\n<\/ul>\n\n<p>Dentro de um intervalo adequado, isso contribui para um crescimento saud\u00e1vel.<\/p>\n\n<p>Fora desse intervalo, come\u00e7am a surgir problemas.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Por que um EC muito baixo pode ser um problema<\/strong><\/h2>\n\n<p>Um EC baixo pode parecer mais seguro, mas uma concentra\u00e7\u00e3o de nutrientes que fica muito baixa tamb\u00e9m pode reduzir o crescimento.<\/p>\n\n<p>Quando as plantas recebem menos nutrientes do que precisam, podem apresentar:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Folhas claras<\/li>\n\n\n\n<li>Vigor reduzido<\/li>\n\n\n\n<li>Crescimento menor<\/li>\n\n\n\n<li>Desenvolvimento lento<\/li>\n\n\n\n<li>Defici\u00eancias iniciais<\/li>\n<\/ul>\n\n<p>Um baixo valor de EC \u00e9 especialmente comum quando os produtores alternam muitas irriga\u00e7\u00f5es s\u00f3 com \u00e1gua ou utilizam programas de nutri\u00e7\u00e3o muito dilu\u00eddos.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/Why-low-EC-can-be-a-problem-Grow-with-Jane.png?resize=683%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-59671\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/Why-low-EC-can-be-a-problem-Grow-with-Jane.png?resize=683%2C1024&amp;ssl=1 683w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/Why-low-EC-can-be-a-problem-Grow-with-Jane.png?resize=200%2C300&amp;ssl=1 200w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/Why-low-EC-can-be-a-problem-Grow-with-Jane.png?resize=768%2C1152&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/Why-low-EC-can-be-a-problem-Grow-with-Jane.png?resize=600%2C900&amp;ssl=1 600w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/Why-low-EC-can-be-a-problem-Grow-with-Jane.png?w=1024&amp;ssl=1 1024w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" data-recalc-dims=\"1\" \/><\/figure><\/div>\n<h2 class=\"wp-block-heading\"><strong>Por que uma EC muito alta pode prejudicar as plantas<\/strong><\/h2>\n\n<p>Muitos cultivadores acham que mais nutrientes sempre levam a um crescimento mais r\u00e1pido.<\/p>\n\n<p>As plantas n\u00e3o funcionam assim.<\/p>\n\n<p>Quando o EC fica muito alto:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>A \u00e1gua fica mais dif\u00edcil de ser absorvida pelas ra\u00edzes<\/li>\n\n\n\n<li>Pode ocorrer queima por excesso de nutrientes<\/li>\n\n\n\n<li>O estresse radicular aumenta<\/li>\n\n\n\n<li>Certos nutrientes come\u00e7am a competir entre si<\/li>\n\n\n\n<li>Pode ocorrer bloqueio de nutrientes<\/li>\n<\/ul>\n\n<p>Se a concentra\u00e7\u00e3o de sal ficar muito alta, o fluxo de \u00e1gua para as ra\u00edzes fica limitado, mesmo que o substrato ainda pare\u00e7a \u00famido.<\/p>\n\n<p>Sinais t\u00edpicos associados ao excesso de EC:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Pontas das folhas queimadas<\/li>\n\n\n\n<li>Folhagem verde-escura<\/li>\n\n\n\n<li>Crescimento lento<\/li>\n\n\n\n<li>Folhas enroladas<\/li>\n\n\n\n<li>Aumento da condutividade el\u00e9trica (CE) do escoamento<\/li>\n<\/ul>\n\n<p><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/why-very-high-EC-can-damage-plants-grow-with-jane.png?resize=683%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-59687\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/why-very-high-EC-can-damage-plants-grow-with-jane.png?resize=683%2C1024&amp;ssl=1 683w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/why-very-high-EC-can-damage-plants-grow-with-jane.png?resize=200%2C300&amp;ssl=1 200w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/why-very-high-EC-can-damage-plants-grow-with-jane.png?resize=768%2C1152&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/why-very-high-EC-can-damage-plants-grow-with-jane.png?resize=600%2C900&amp;ssl=1 600w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/why-very-high-EC-can-damage-plants-grow-with-jane.png?w=1024&amp;ssl=1 1024w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" data-recalc-dims=\"1\" \/><\/figure><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-why-ec-changes-over-time-in-the-root-zone\"><strong>Por que a EC muda com o tempo na zona radicular<\/strong><\/h2>\n\n<p>A condutividade el\u00e9trica (CE) da zona radicular \u00e9 din\u00e2mica.<\/p>\n\n<p>Mesmo que voc\u00ea sempre aplique a mesma concentra\u00e7\u00e3o de nutrientes, a EC dentro do meio muda constantemente.<\/p>\n\n<p>Motivos comuns:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Evapora\u00e7\u00e3o da \u00e1gua<\/li>\n\n\n\n<li>Absor\u00e7\u00e3o de nutrientes pelas plantas<\/li>\n\n\n\n<li>Consumo desigual de nutrientes<\/li>\n\n\n\n<li>Ac\u00famulo de sal<\/li>\n\n\n\n<li>Per\u00edodos de seca entre as regas<\/li>\n<\/ul>\n\n<p>Por exemplo, quando a \u00e1gua evapora, mas os sais ficam para tr\u00e1s, a CE aumenta.<\/p>\n\n<p>\u00c9 por isso que medir s\u00f3 a \u00e1gua que entra nem sempre reflete o que as ra\u00edzes realmente enfrentam.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/why-EC-changes-root-zone-Grow-with-Jane.png?resize=683%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-59666\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/why-EC-changes-root-zone-Grow-with-Jane.png?resize=683%2C1024&amp;ssl=1 683w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/why-EC-changes-root-zone-Grow-with-Jane.png?resize=200%2C300&amp;ssl=1 200w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/why-EC-changes-root-zone-Grow-with-Jane.png?resize=768%2C1152&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/why-EC-changes-root-zone-Grow-with-Jane.png?resize=600%2C900&amp;ssl=1 600w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2026\/06\/why-EC-changes-root-zone-Grow-with-Jane.png?w=1024&amp;ssl=1 1024w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" data-recalc-dims=\"1\" \/><\/figure><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-ec-and-ph-work-together\"><strong>A EC e o pH atuam em conjunto<\/strong><\/h2>\n\n<p>Um dos maiores erros que os produtores cometem \u00e9 achar que um valor correto de EC significa automaticamente que os nutrientes est\u00e3o dispon\u00edveis.<\/p>\n\n<p>Uma solu\u00e7\u00e3o nutritiva pode ter uma condutividade el\u00e9trica (CE) ideal e, mesmo assim, causar defici\u00eancias se o pH estiver fora da faixa de absor\u00e7\u00e3o.<\/p>\n\n<p>O EC indica <strong>o grau de concentra\u00e7\u00e3o da solu\u00e7\u00e3o<\/strong>.<\/p>\n\n<p>O pH ajuda a determinar <strong>se as ra\u00edzes conseguem mesmo absorver esses nutrientes<\/strong>.<\/p>\n\n<p>Analisar os dois valores juntos geralmente d\u00e1 uma vis\u00e3o muito mais clara do que analisar cada um separadamente.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"492\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-2.png?resize=492%2C1024&#038;ssl=1\" alt=\"Medidor port&#xE1;til de pH Hanna para o cultivo de cannabis\" class=\"wp-image-59171\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-2.png?resize=492%2C1024&amp;ssl=1 492w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-2.png?resize=144%2C300&amp;ssl=1 144w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-2.png?w=577&amp;ssl=1 577w\" sizes=\"auto, (max-width: 492px) 100vw, 492px\" data-recalc-dims=\"1\" \/><\/figure><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-final-thoughts\"><strong>Considera\u00e7\u00f5es finais<\/strong><\/h2>\n\n<p>O EC n\u00e3o \u00e9 um n\u00famero m\u00e1gico e n\u00e3o mede diretamente os nutrientes.<\/p>\n\n<p>O que o EC te oferece \u00e9 uma maneira pr\u00e1tica de estimar a concentra\u00e7\u00e3o de minerais dissolvidos e entender o qu\u00e3o eficaz \u00e9, de fato, a sua estrat\u00e9gia de alimenta\u00e7\u00e3o.<\/p>\n\n<p>Se usada de forma consistente, a EC pode te ajudar a evitar a superalimenta\u00e7\u00e3o, detectar o ac\u00famulo de nutrientes logo no in\u00edcio e tomar decis\u00f5es mais acertadas ao longo do cultivo.<\/p>\n\n<p>No pr\u00f3ximo artigo desta s\u00e9rie, vamos ver quais s\u00e3o <strong>os intervalos ideais de EC para as diferentes fases de crescimento da cannabis e por que esses valores variam dependendo se voc\u00ea cultiva no solo, em fibra de coco ou em hidroponia.<\/strong><\/p>\n\n<div class=\"wp-block-columns has-2-columns blog-article-inline-cta has-background is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\" style=\"background-color:#edf8ee\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-text-color has-link-color wp-elements-1b8a34fddb7b0136ff79bd6a24db862c\" id=\"h-grow-with-the-best-cannabis-growing-app\" style=\"color:#4caf50;font-size:30px\"><strong>Cultive com o melhor aplicativo de cultivo de cannabis<\/strong><\/h3>\n\n\n\n<p><strong>Crie <\/strong>plantas e ambientes <strong>com facilidade <\/strong><\/p>\n\n\n\n<p><strong>Avalie<\/strong> seu sucesso e <strong>compartilhe com a comunidade<\/strong><\/p>\n\n\n\n<p><strong>Obtenha suporte profissional ao produtor<\/strong>, da semente \u00e0 colheita.<\/p>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-75 ga-article-inline-cta-event-store aligncenter\"><a class=\"wp-block-button__link has-very-dark-gray-color has-vivid-green-cyan-background-color has-text-color has-background wp-element-button\" href=\"https:\/\/app.growithjane.com\/blog\/article\/inline-cta\" data-wpel-link=\"external\" rel=\"nofollow\">Comece a cultivar gratuitamente<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"709\" height=\"990\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/08\/GWJ-CTA-Blog.png?resize=709%2C990&#038;ssl=1\" alt=\"\" class=\"wp-image-58909\" style=\"width:275px;height:auto\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/08\/GWJ-CTA-Blog.png?w=709&amp;ssl=1 709w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/08\/GWJ-CTA-Blog.png?resize=215%2C300&amp;ssl=1 215w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" data-recalc-dims=\"1\" \/><\/figure><\/div><\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\" id=\"h-ph-ec-alkalinity-series\">S\u00e9rie pH \u2013 CE \u2013 Alcalinidade<\/h2>\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-grow-with-jane wp-block-embed-grow-with-jane\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"euoThRzNUg\"><a href=\"https:\/\/growithjane.com\/pt-br\/que-e-ph-no-cultivo-de-cannabis\/\" data-wpel-link=\"internal\">pH para produtores de cannabis: o que \u00e9 e por que \u00e9 importante<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;pH para produtores de cannabis: o que \u00e9 e por que \u00e9 importante&#8221; &#8212; Grow with Jane\" src=\"https:\/\/growithjane.com\/pt-br\/que-e-ph-no-cultivo-de-cannabis\/embed\/#?secret=8sTiJ24BtD#?secret=euoThRzNUg\" data-secret=\"euoThRzNUg\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-grow-with-jane wp-block-embed-grow-with-jane\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"TaaPMXEvQ1\"><a href=\"https:\/\/growithjane.com\/pt-br\/como-usar-e-calibrar-medidor-de-ph-e-ce\/\" data-wpel-link=\"internal\">Como usar, calibrar e armazenar medidores de pH e EC<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Como usar, calibrar e armazenar medidores de pH e EC&#8221; &#8212; Grow with Jane\" src=\"https:\/\/growithjane.com\/pt-br\/como-usar-e-calibrar-medidor-de-ph-e-ce\/embed\/#?secret=WaHVovdjHt#?secret=TaaPMXEvQ1\" data-secret=\"TaaPMXEvQ1\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-grow-with-jane wp-block-embed-grow-with-jane\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"1vZ5QlsVsW\"><a href=\"https:\/\/growithjane.com\/pt-br\/como-medir-ph-e-ce-em-substratos-de-cultivo-pourthru\/\" data-wpel-link=\"internal\">Como medir o pH e a CE em meios de cultivo<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Como medir o pH e a CE em meios de cultivo&#8221; &#8212; Grow with Jane\" src=\"https:\/\/growithjane.com\/pt-br\/como-medir-ph-e-ce-em-substratos-de-cultivo-pourthru\/embed\/#?secret=TR1kzuVHbG#?secret=1vZ5QlsVsW\" data-secret=\"1vZ5QlsVsW\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Resumindo: A CE (condutividade el\u00e9trica) \u00e9 uma maneira pr\u00e1tica de estimar a concentra\u00e7\u00e3o de nutrientes no cultivo de cannabis, medindo a concentra\u00e7\u00e3o de sais minerais dissolvidos na \u00e1gua e na zona radicular. Embora n\u00e3o identifique nutrientes espec\u00edficos, ajuda os cultivadores a evitar tanto a subnutri\u00e7\u00e3o quanto a supernutri\u00e7\u00e3o. Compreender a condutividade el\u00e9trica (CE), juntamente com &#8230; <a title=\"O que \u00e9 EC e como isso se relaciona com a concentra\u00e7\u00e3o de nutrientes no cultivo de cannabis?\" class=\"read-more\" href=\"https:\/\/growithjane.com\/pt-br\/ec-no-cultivo-de-cannabis-concentracao-de-nutrientes\/\" aria-label=\"More on O que \u00e9 EC e como isso se relaciona com a concentra\u00e7\u00e3o de nutrientes no cultivo de cannabis?\" data-wpel-link=\"internal\">Leia mais<\/a><\/p>\n","protected":false},"author":5,"featured_media":59790,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[859],"tags":[966],"class_list":["post-59789","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cultivo-de-cannabis","tag-ph-ce-alcalinidade"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v26.1.1) - 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Embora n\u00e3o identifique nutrientes espec\u00edficos, ajuda os cultivadores a evitar tanto a subnutri\u00e7\u00e3o quanto a supernutri\u00e7\u00e3o. Compreender a condutividade el\u00e9trica (CE), juntamente com&hellip;","_links":{"self":[{"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/posts\/59789","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/comments?post=59789"}],"version-history":[{"count":1,"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/posts\/59789\/revisions"}],"predecessor-version":[{"id":59792,"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/posts\/59789\/revisions\/59792"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/media\/59790"}],"wp:attachment":[{"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/media?parent=59789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/categories?post=59789"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/tags?post=59789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}