{"id":57988,"date":"2024-11-22T18:21:37","date_gmt":"2024-11-22T18:21:37","guid":{"rendered":"https:\/\/growithjane.com\/cannabis-nitrogenio-deficiencia-toxicidade\/"},"modified":"2025-12-11T16:18:23","modified_gmt":"2025-12-11T16:18:23","slug":"cannabis-nitrogenio-deficiencia-toxicidade","status":"publish","type":"post","link":"https:\/\/growithjane.com\/pt-br\/cannabis-nitrogenio-deficiencia-toxicidade\/","title":{"rendered":"Defici\u00eancia (e toxicidade) de nitrog\u00eanio na cannabis: Guia para detectar, corrigir e prevenir problemas"},"content":{"rendered":"\n<p><strong>A defici\u00eancia de nitrog\u00eanio na cannabis \u00e9 um dos problemas mais comuns no cultivo, especialmente para iniciantes.  <\/strong>Isso ocorre porque o nitrog\u00eanio \u00e9 um dos principais elementos essenciais de que as plantas precisam.  <\/p>\n\n<p>Este guia de cultivo concentra-se no nitrog\u00eanio para plantas de cannabis, na defici\u00eancia e na toxicidade de nitrog\u00eanio, suas causas e como corrigi-las.  <\/p>\n\n<p><strong>Este guia faz parte de uma s\u00e9rie elaborada para detalhar a fertiliza\u00e7\u00e3o da cannabis em conhecimentos confi\u00e1veis e pr\u00e1ticos.<\/strong><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2022\/08\/image9.jpg?resize=1024%2C768&#038;ssl=1\" alt=\"rega de plantas de cannabis na fase vegetativa - n&#xED;veis seguros de nitrog&#xEA;nio, sem defici&#xEA;ncia de nitrog&#xEA;nio. . ph: Alicia Muzio (Grow with Jane)  \" class=\"wp-image-38477\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2022\/08\/image9.jpg?resize=1024%2C768&amp;ssl=1 1024w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2022\/08\/image9.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2022\/08\/image9.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2022\/08\/image9.jpg?resize=1536%2C1153&amp;ssl=1 1536w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2022\/08\/image9.jpg?w=1999&amp;ssl=1 1999w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Planta de cannabis crescendo com folhas saud\u00e1veis. ph: Alicia Muzio (autora) <\/figcaption><\/figure><\/div>\t\t\t\t<div class=\"wp-block-uagb-table-of-contents uagb-toc__align-left uagb-toc__columns-1  uagb-block-ca01f5e0      \"\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=\"#nutrientes-m\u00f3veis-ou-im\u00f3veis\" class=\"uagb-toc-link__trigger\">Nutrientes m\u00f3veis ou im\u00f3veis<\/a><li class=\"uagb-toc__list\"><a href=\"#papel-do-nitrog\u00eanio-no-crescimento-e-desenvolvimento-das-plantas\" class=\"uagb-toc-link__trigger\">Papel do nitrog\u00eanio no crescimento e desenvolvimento das plantas<\/a><li class=\"uagb-toc__list\"><a href=\"#defici\u00eancia-de-nitrog\u00eanio-na-cannabis\" class=\"uagb-toc-link__trigger\">Defici\u00eancia de nitrog\u00eanio na cannabis<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#sinais-de-defici\u00eancia-de-nitrog\u00eanio\" class=\"uagb-toc-link__trigger\">Sinais de defici\u00eancia de nitrog\u00eanio:<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#causas-da-defici\u00eancia-de-nitrog\u00eanio\" class=\"uagb-toc-link__trigger\">Causas da defici\u00eancia de nitrog\u00eanio<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#pote-pequeno\" class=\"uagb-toc-link__trigger\">Pote pequeno<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#temperatura-fria\" class=\"uagb-toc-link__trigger\">Temperatura fria<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#ph-incorreto\" class=\"uagb-toc-link__trigger\">pH incorreto<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#antagonismo-de-nutrientes\" class=\"uagb-toc-link__trigger\">Antagonismo de nutrientes<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#forma-de-nitrog\u00eanio\" class=\"uagb-toc-link__trigger\">Forma de nitrog\u00eanio<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#problemas-de-irriga\u00e7\u00e3o\" class=\"uagb-toc-link__trigger\">Problemas de irriga\u00e7\u00e3o<\/a><\/li><\/ul><li class=\"uagb-toc__list\"><a href=\"#como-corrigir-a-defici\u00eancia-de-nitrog\u00eanio\" class=\"uagb-toc-link__trigger\">Como corrigir a defici\u00eancia de nitrog\u00eanio<\/a><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#toxicidade-do-nitrog\u00eanio-na-cannabis\" class=\"uagb-toc-link__trigger\">Toxicidade do nitrog\u00eanio na cannabis<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#sinais-de-toxicidade-por-nitrog\u00eanio-excesso\" class=\"uagb-toc-link__trigger\">Sinais de toxicidade por nitrog\u00eanio (excesso)<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#causas-da-toxicidade-do-nitrog\u00eanio\" class=\"uagb-toc-link__trigger\">Causas da toxicidade do nitrog\u00eanio<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#aplica\u00e7\u00e3o-excessiva-de-fertilizantes-com-nitrog\u00eanio\" class=\"uagb-toc-link__trigger\">Aplica\u00e7\u00e3o excessiva de fertilizantes com nitrog\u00eanio<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#toxicidade-de-n-em-meios-de-cultivo-pr\u00e9-fertilizados\" class=\"uagb-toc-link__trigger\">Toxicidade de N em meios de cultivo pr\u00e9-fertilizados<\/a><\/li><\/ul><li class=\"uagb-toc__list\"><a href=\"#como-corrigir-a-toxicidade-do-nitrog\u00eanio\" class=\"uagb-toc-link__trigger\">Como corrigir a toxicidade do nitrog\u00eanio<\/a><\/li><\/ul><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#resumo\" class=\"uagb-toc-link__trigger\">Resumo<\/a><li class=\"uagb-toc__list\"><a href=\"#conclus\u00e3o\" class=\"uagb-toc-link__trigger\">Conclus\u00e3o<\/a><\/ul><\/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><strong>Os macronutrientes<\/strong> s\u00e3o os principais nutrientes de que as plantas precisam para crescer fortes, e voc\u00ea pode v\u00ea-los rotulados como NPK nas embalagens de fertilizantes, abrevia\u00e7\u00e3o de nitrog\u00eanio (N), f\u00f3sforo (P) e pot\u00e1ssio (K).<\/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\/a-shelf-with-fertilizer-bottles-with-_NPK-3_1_2_-_Fertilizer_-and-_CalMag_-written-on-the-label-in-a-grow-room.-grow-witj-jane.jpg?resize=1024%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-57711\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/a-shelf-with-fertilizer-bottles-with-_NPK-3_1_2_-_Fertilizer_-and-_CalMag_-written-on-the-label-in-a-grow-room.-grow-witj-jane.jpg?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/a-shelf-with-fertilizer-bottles-with-_NPK-3_1_2_-_Fertilizer_-and-_CalMag_-written-on-the-label-in-a-grow-room.-grow-witj-jane.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/a-shelf-with-fertilizer-bottles-with-_NPK-3_1_2_-_Fertilizer_-and-_CalMag_-written-on-the-label-in-a-grow-room.-grow-witj-jane.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/a-shelf-with-fertilizer-bottles-with-_NPK-3_1_2_-_Fertilizer_-and-_CalMag_-written-on-the-label-in-a-grow-room.-grow-witj-jane.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/a-shelf-with-fertilizer-bottles-with-_NPK-3_1_2_-_Fertilizer_-and-_CalMag_-written-on-the-label-in-a-grow-room.-grow-witj-jane.jpg?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/a-shelf-with-fertilizer-bottles-with-_NPK-3_1_2_-_Fertilizer_-and-_CalMag_-written-on-the-label-in-a-grow-room.-grow-witj-jane.jpg?w=1120&amp;ssl=1 1120w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Frascos de fertilizante com r\u00f3tulos NPK 3:1:2 e CalMag, mostrando os principais nutrientes para o crescimento da cannabis*<\/figcaption><\/figure><\/div>\n<p>Aqui est\u00e1 um guia com um resumo dos macronutrientes (NPK), nutrientes secund\u00e1rios e micronutrientes.<\/p>\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=\"r33hqPemUV\"><a href=\"https:\/\/growithjane.com\/nutrients-cannabis-plants\/\" data-wpel-link=\"external\" rel=\"nofollow\">Nutrients for Cannabis plants: a guide for beginners<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;Nutrients for Cannabis plants: a guide for beginners&#8221; &#8212; Grow with Jane\" src=\"https:\/\/growithjane.com\/nutrients-cannabis-plants\/embed\/#?secret=cPD9XTGaWF#?secret=r33hqPemUV\" data-secret=\"r33hqPemUV\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n <\/div><\/figure>\n\n<p>Cada um desses elementos essenciais desempenha um papel fundamental no desenvolvimento e na sa\u00fade geral da planta. \u00c9 fundamental que voc\u00ea entenda como eles funcionam, como interagem entre si, como reconhecer os desequil\u00edbrios de nutrientes e suas causas e como corrigi-los. <\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-mobile-vs-immobile-nutrients-nbsp\"><strong>Nutrientes m\u00f3veis ou im\u00f3veis  <\/strong><\/h2>\n\n<p>No cultivo de cannabis, conhecer a <strong>mobilidade dos nutrientes <\/strong>ajuda a detectar defici\u00eancias precocemente.<\/p>\n\n<p><strong>Os nutrientes s\u00e3o m\u00f3veis ou im\u00f3veis, dependendo do fato de poderem se mover dentro da planta.  <\/strong><\/p>\n\n<p><strong>Nutrientes m\u00f3veis como nitrog\u00eanio<\/strong>, f\u00f3sforo e pot\u00e1ssio <strong>podem passar das folhas mais velhas para o novo crescimento (folhas, caules, sementes e flores).<\/strong><\/p>\n\n<p><strong>Portanto, a defici\u00eancia de nitrog\u00eanio aparece primeiro nas folhas mais velhas e mais baixas. Isso \u00e9 extremamente importante. <\/strong><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2020\/02\/IMG_4794.jpg?resize=768%2C1024&#038;ssl=1\" alt=\"Cannabis em fase vegetativa - semana 5 - defici&#xEA;ncia leve de nitrog&#xEA;nio. ph: Alicia Muzio (Grow with Jane) \" class=\"wp-image-2164\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2020\/02\/IMG_4794.jpg?resize=768%2C1024&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2020\/02\/IMG_4794.jpg?resize=225%2C300&amp;ssl=1 225w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2020\/02\/IMG_4794.jpg?resize=1080%2C1440&amp;ssl=1 1080w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2020\/02\/IMG_4794.jpg?resize=1280%2C1707&amp;ssl=1 1280w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2020\/02\/IMG_4794.jpg?resize=980%2C1307&amp;ssl=1 980w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2020\/02\/IMG_4794.jpg?resize=480%2C640&amp;ssl=1 480w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2020\/02\/IMG_4794.jpg?w=1536&amp;ssl=1 1536w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Defici\u00eancia leve de nitrog\u00eanio em plantas daninhas &#8211; ph: Alicia Muzio (autora)<\/figcaption><\/figure><\/div>\n<p>Os nutrientes im\u00f3veis, como o c\u00e1lcio, o ferro e todos os micronutrientes, n\u00e3o podem ser realocados ou movidos dentro da planta depois de absorvidos, portanto, as defici\u00eancias aparecem no crescimento novo e nas folhas superiores.<\/p>\n\n<p>Ao reconhecer em que parte da planta aparecem problemas como folhas amarelas, pontas enroladas ou manchas marrons, os produtores podem fazer ajustes r\u00e1pidos para manter as plantas saud\u00e1veis e pr\u00f3speras.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Papel do nitrog\u00eanio no crescimento e desenvolvimento das plantas<\/strong><\/h2>\n\n<p>O nitrog\u00eanio \u00e9 um dos nutrientes mais importantes para as plantas de cannabis, especialmente durante o est\u00e1gio vegetativo.  <\/p>\n\n<p>O nitrog\u00eanio \u00e9 fundamental para a produ\u00e7\u00e3o de clorofila, o pigmento usado na fotoss\u00edntese. A fotoss\u00edntese \u00e9 o processo pelo qual as plantas convertem a luz em energia. O nitrog\u00eanio tamb\u00e9m \u00e9 um bloco de constru\u00e7\u00e3o de amino\u00e1cidos, prote\u00ednas e enzimas, todos cruciais para o crescimento celular.  <\/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\/2024\/11\/eir-health-5bafAr0igbA-unsplash.jpg?resize=683%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-57722\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/eir-health-5bafAr0igbA-unsplash-scaled.jpg?resize=683%2C1024&amp;ssl=1 683w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/eir-health-5bafAr0igbA-unsplash-scaled.jpg?resize=200%2C300&amp;ssl=1 200w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/eir-health-5bafAr0igbA-unsplash-scaled.jpg?resize=768%2C1152&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/eir-health-5bafAr0igbA-unsplash-scaled.jpg?resize=1024%2C1536&amp;ssl=1 1024w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/eir-health-5bafAr0igbA-unsplash-scaled.jpg?resize=1365%2C2048&amp;ssl=1 1365w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/eir-health-5bafAr0igbA-unsplash-scaled.jpg?resize=600%2C900&amp;ssl=1 600w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/eir-health-5bafAr0igbA-unsplash-scaled.jpg?w=1707&amp;ssl=1 1707w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Folhas verdes claras na cannabis podem indicar pouco nitrog\u00eanio. Foto: Eir Health &#8211; Unsplash <\/figcaption><\/figure><\/div>\n<p>O nitrog\u00eanio \u00e9 necess\u00e1rio durante todo o ciclo da planta de cannabis.<\/p>\n\n<p>Durante a fase vegetativa, as plantas de cannabis precisam de n\u00edveis mais altos de nitrog\u00eanio para produzir folhas verdes e um forte crescimento do caule.<\/p>\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=\"YohKF6o0oH\"><a href=\"https:\/\/growithjane.com\/cannabis-plant-vegetative-stage\/\" data-wpel-link=\"external\" rel=\"nofollow\">Cannabis vegetative stage: a guide for beginners<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;Cannabis vegetative stage: a guide for beginners&#8221; &#8212; Grow with Jane\" src=\"https:\/\/growithjane.com\/cannabis-plant-vegetative-stage\/embed\/#?secret=I1BGEYEnfO#?secret=YohKF6o0oH\" data-secret=\"YohKF6o0oH\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n <\/div><\/figure>\n\n<p>\u00c0 medida que as plantas passam para o est\u00e1gio de flora\u00e7\u00e3o, as necessidades de nitrog\u00eanio diminuem ligeiramente, pois a planta muda seu foco do crescimento vegetativo para a fase reprodutiva com a produ\u00e7\u00e3o de flores.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"299\" height=\"979\" src=\"https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NIB1731.jpe\" alt=\"Concentra&#xE7;&#xE3;o de nitrog&#xEA;nio 160 mg\/L (N suficiente). (Bernstein, 2020). sem defici&#xEA;ncia de nitrog&#xEA;nio  \" class=\"wp-image-57734\" srcset=\"https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NIB1731.jpe 299w, https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NIB1731-92x300.jpe 92w\" sizes=\"auto, (max-width: 299px) 100vw, 299px\" \/><figcaption class=\"wp-element-caption\">Concentra\u00e7\u00e3o de nitrog\u00eanio 160 mg\/L (N suficiente). (Bernstein, 2020) <\/figcaption><\/figure><\/div>\n<p>Observe que essa planta n\u00e3o tem defici\u00eancia de nutrientes, todos os nutrientes s\u00e3o fornecidos. No final do est\u00e1gio de flora\u00e7\u00e3o, h\u00e1 um processo normal chamado &#8220;senesc\u00eancia&#8221;, as folhas apresentam clorose (amarelamento), mesmo que os n\u00edveis de nitrog\u00eanio e de outros nutrientes sejam suficientes. <\/p>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"840\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Control-plants-Foliar-Symptomology-Cannabis-Llewellyn-Zheng.jpeg?resize=840%2C1024&#038;ssl=1\" alt=\"Figura 1. Planta de controle durante (a) a quinta semana, quando nenhum sintoma de defici&#xEA;ncia foliar era vis&#xED;vel e (b) a sexta semana, (c) a s&#xE9;tima semana e (d) a oitava semana, quando as folhas do leque desenvolveram n&#xED;veis crescentes de clorose foliar. (Llewellyn, D. 2023). sem defici&#xEA;ncia de nitrog&#xEA;nio.       \" class=\"wp-image-57745\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Control-plants-Foliar-Symptomology-Cannabis-Llewellyn-Zheng.jpeg?resize=840%2C1024&amp;ssl=1 840w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Control-plants-Foliar-Symptomology-Cannabis-Llewellyn-Zheng.jpeg?resize=246%2C300&amp;ssl=1 246w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Control-plants-Foliar-Symptomology-Cannabis-Llewellyn-Zheng.jpeg?resize=768%2C936&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Control-plants-Foliar-Symptomology-Cannabis-Llewellyn-Zheng.jpeg?resize=1260%2C1536&amp;ssl=1 1260w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Control-plants-Foliar-Symptomology-Cannabis-Llewellyn-Zheng.jpeg?w=1561&amp;ssl=1 1561w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Figura 1. Planta de controle durante (a) a quinta semana, quando nenhum sintoma de defici\u00eancia foliar era vis\u00edvel e (b) a sexta semana, (c) a s\u00e9tima semana e (d) a oitava semana, quando as folhas do leque desenvolveram n\u00edveis crescentes de clorose foliar. (Llewellyn, D. 2023)      <\/figcaption><\/figure>\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=\"Oil9K9TRf6\"><a href=\"https:\/\/growithjane.com\/flowering-stage-cannabis-plants\/\" data-wpel-link=\"external\" rel=\"nofollow\">Cannabis flowering stage: a guide for beginners<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;Cannabis flowering stage: a guide for beginners&#8221; &#8212; Grow with Jane\" src=\"https:\/\/growithjane.com\/flowering-stage-cannabis-plants\/embed\/#?secret=tzAEhGUbBs#?secret=Oil9K9TRf6\" data-secret=\"Oil9K9TRf6\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n <\/div><\/figure>\n\n<p>Em um estudo recente (Bernstein, 2021), os pesquisadores descobriram que os n\u00edveis de nitrog\u00eanio desempenham um papel importante no perfil qu\u00edmico e no crescimento das plantas de cannabis, especialmente durante a flora\u00e7\u00e3o. Eles testaram fertilizantes com diferentes quantidades de nitrog\u00eanio, de baixo a alto. Os pesquisadores descobriram que, embora os n\u00edveis mais altos de nitrog\u00eanio promovam o crescimento das plantas, eles reduzem a concentra\u00e7\u00e3o de canabinoides e terpenoides &#8211; os compostos respons\u00e1veis pelos efeitos e pelo aroma da cannabis.  <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"618\" height=\"988\" src=\"https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NI564D1.jpe\" alt=\"Concentra&#xE7;&#xE3;o de nitrog&#xEA;nio 240 - 320 mg\/L (alto N). (Bernstein, 2021) \" class=\"wp-image-57759\" srcset=\"https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NI564D1.jpe 618w, https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NI564D1-188x300.jpe 188w\" sizes=\"auto, (max-width: 618px) 100vw, 618px\" \/><figcaption class=\"wp-element-caption\">Concentra\u00e7\u00e3o de nitrog\u00eanio 240 &#8211; 320 mg\/L (alto N). (Bernstein, 2021) <\/figcaption><\/figure><\/div>\n<p>Quando os n\u00edveis de nitrog\u00eanio caem, as plantas de cannabis t\u00eam dificuldade para crescer. Isso acontece porque sua capacidade de fotoss\u00edntese fica mais lenta, o gerenciamento da \u00e1gua torna-se menos eficiente e elas n\u00e3o conseguem produzir clorofila suficiente &#8211; o pigmento que as ajuda a captar a energia da luz. Mas eles tamb\u00e9m descobriram que baixos n\u00edveis de nitrog\u00eanio tamb\u00e9m podem causar estresse e induzir concentra\u00e7\u00f5es mais altas de canabinoides e terpenos, portanto, esse ainda \u00e9 um assunto que precisa de mais estudos.  <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"561\" height=\"996\" src=\"https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NITROG4.jpe\" alt=\"Concentra&#xE7;&#xE3;o de nitrog&#xEA;nio 30-80 mg\/L (baixo N) - As plantas mostram sinais de defici&#xEA;ncia de N. (Bernstein, 2021) \" class=\"wp-image-57768\" srcset=\"https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NITROG4.jpe 561w, https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NITROG4-169x300.jpe 169w\" sizes=\"auto, (max-width: 561px) 100vw, 561px\" \/><figcaption class=\"wp-element-caption\">Concentra\u00e7\u00e3o de nitrog\u00eanio 30-80 mg\/L (baixo N) &#8211; As plantas mostram sinais de defici\u00eancia de N. (Bernstein, 2021) <\/figcaption><\/figure><\/div>\n<p>Em guias futuros, vou me aprofundar nos tipos de nitrog\u00eanio dispon\u00edveis nos fertilizantes (nitrato (NO\u2083-), am\u00f4nio (NH\u2084\u207a), nitrog\u00eanio insol\u00favel em \u00e1gua e ureia, o equil\u00edbrio certo entre am\u00f4nio e nitrato e as diferentes fontes de nitrog\u00eanio dispon\u00edveis para ajudar voc\u00ea a fazer a melhor escolha para suas plantas.<\/p>\n\n<p>Diga-me nos coment\u00e1rios se voc\u00ea est\u00e1 interessado nesse t\u00f3pico!<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Defici\u00eancia de nitrog\u00eanio na cannabis<\/strong><\/h2>\n\n<p><strong>A defici\u00eancia de nitrog\u00eanio na cannabis \u00e9 a defici\u00eancia mais comum durante o est\u00e1gio vegetativo. Alguns sintomas comuns s\u00e3o: <\/strong><\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Sinais de defici\u00eancia de nitrog\u00eanio:<\/strong><\/h3>\n\n<ul class=\"wp-block-list\">\n<li>Folhas verde-claras ou amareladas, especialmente as folhas mais velhas na parte inferior da planta<\/li>\n\n\n\n<li>O amarelecimento come\u00e7a da ponta da folha em dire\u00e7\u00e3o ao centro da folha<\/li>\n\n\n\n<li>Ap\u00f3s o amarelecimento, a folha torna-se necr\u00f3tica (marrom) e morre.<\/li>\n\n\n\n<li>Crescimento geral atrofiado<\/li>\n\n\n\n<li>Caules fracos  <\/li>\n\n\n\n<li>Queda precoce das folhas<\/li>\n\n\n\n<li>Flora\u00e7\u00e3o precoce ou prematura, o que pode levar a rendimentos menores<\/li>\n<\/ul>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"707\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/GWJ_nutrients-problems_02-1.jpg?resize=1000%2C707&#038;ssl=1\" alt=\"O amarelecimento (clorose) come&#xE7;a na ponta da folha, espalha-se em dire&#xE7;&#xE3;o ao centro e progride para necrose marrom antes da morte da folha. Grow with Jane \" class=\"wp-image-57967\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/GWJ_nutrients-problems_02-1.jpg?w=1000&amp;ssl=1 1000w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/GWJ_nutrients-problems_02-1.jpg?resize=300%2C212&amp;ssl=1 300w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/GWJ_nutrients-problems_02-1.jpg?resize=768%2C543&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">O amarelecimento (clorose) come\u00e7a na ponta da folha, espalha-se em dire\u00e7\u00e3o ao centro e progride para necrose marrom antes que a folha morra.<\/figcaption><\/figure><\/div>\n<p>As plantas com defici\u00eancia de nitrog\u00eanio apresentam inicialmente um leve atrofiamento e um leve amarelecimento ou empalidecimento das folhas inferiores. O amarelecimento de cada folha come\u00e7a nas pontas da folha e progride em dire\u00e7\u00e3o ao centro. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"563\" height=\"1000\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2022\/08\/Nitrogen-deficiency-Cannabis-plants-Grow-with-Jane.jpg?resize=563%2C1000&#038;ssl=1\" alt=\"Defici&#xEA;ncia de nitrog&#xEA;nio na planta de cannabis - grow with jane\" class=\"wp-image-38644\" style=\"width:820px;height:auto\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2022\/08\/Nitrogen-deficiency-Cannabis-plants-Grow-with-Jane.jpg?w=563&amp;ssl=1 563w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2022\/08\/Nitrogen-deficiency-Cannabis-plants-Grow-with-Jane.jpg?resize=169%2C300&amp;ssl=1 169w\" sizes=\"auto, (max-width: 563px) 100vw, 563px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">O padr\u00e3o de amarelamento come\u00e7a da ponta da folha em dire\u00e7\u00e3o ao centro da folha.<\/figcaption><\/figure><\/div>\n<p>\u00c0 medida que a defici\u00eancia se agrava, o amarelecimento se intensifica, espalhando-se das folhas inferiores at\u00e9 a folhagem central, pois a planta transfere o nitrog\u00eanio das folhas inferiores para o novo crescimento.<\/p>\n\n<p>Se o amarelecimento come\u00e7ar a subir pela planta, voc\u00ea dever\u00e1 agir e descobrir o que est\u00e1 causando o bloqueio ou a defici\u00eancia e corrigi-lo.<\/p>\n\n<p>Em est\u00e1gios avan\u00e7ados de defici\u00eancia, as folhas afetadas ficam completamente amarelas, tornando-se necr\u00f3ticas, marrons e caindo.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"455\" height=\"1024\" src=\"https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NITROG1-455x1024.jpe\" alt=\"\" class=\"wp-image-57778\" srcset=\"https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NITROG1-455x1024.jpe 455w, https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NITROG1-133x300.jpe 133w, https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NITROG1-768x1730.jpe 768w, https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NITROG1-682x1536.jpe 682w, https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NITROG1.jpe 807w\" sizes=\"auto, (max-width: 455px) 100vw, 455px\" \/><figcaption class=\"wp-element-caption\">Essas imagens mostram como a defici\u00eancia de nitrog\u00eanio progride ao longo do tempo durante o est\u00e1gio vegetativo, desde os primeiros sinais at\u00e9 os est\u00e1gios mais avan\u00e7ados. (Cockson et al. 2019) <\/figcaption><\/figure><\/div>\n<p>Se os n\u00edveis de nitrog\u00eanio forem muito baixos, as plantas de cannabis n\u00e3o produzir\u00e3o clorofila suficiente, levando a um crescimento lento e a plantas fracas e subdesenvolvidas. Isso \u00e9 especialmente cr\u00edtico no est\u00e1gio vegetativo, em que a falta de nitrog\u00eanio pode prejudicar gravemente o crescimento da planta. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Causas da defici\u00eancia de nitrog\u00eanio<\/strong><\/h3>\n\n<p>Os sintomas de defici\u00eancia de nitrog\u00eanio podem aparecer nas plantas de cannabis mesmo quando o nitrog\u00eanio est\u00e1 presente no meio de cultivo. Aqui est\u00e3o algumas raz\u00f5es pelas quais a defici\u00eancia de nitrog\u00eanio pode aparecer: <\/p>\n\n<h4 class=\"wp-block-heading\">Pote pequeno<\/h4>\n\n<p>A defici\u00eancia de nitrog\u00eanio \u00e9 comum em plantas cultivadas em vasos ou recipientes pequenos. \u00c0 medida que o nitrog\u00eanio na mistura do solo se esgota porque a planta o absorveu todo, as folhas come\u00e7am a ficar amarelas e a planta para de crescer. <\/p>\n\n<p><strong>Dica: isso pode ser facilmente corrigido transplantando-o para um vaso maior com substrato novo e adicionando nutrientes.<\/strong><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"684\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/testeur-de-cbd-zxvd0N5Bmmw-unsplash.jpg?resize=684%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-57788\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/testeur-de-cbd-zxvd0N5Bmmw-unsplash-scaled.jpg?resize=684%2C1024&amp;ssl=1 684w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/testeur-de-cbd-zxvd0N5Bmmw-unsplash-scaled.jpg?resize=200%2C300&amp;ssl=1 200w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/testeur-de-cbd-zxvd0N5Bmmw-unsplash-scaled.jpg?resize=768%2C1150&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/testeur-de-cbd-zxvd0N5Bmmw-unsplash-scaled.jpg?resize=1025%2C1536&amp;ssl=1 1025w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/testeur-de-cbd-zxvd0N5Bmmw-unsplash-scaled.jpg?resize=1367%2C2048&amp;ssl=1 1367w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/testeur-de-cbd-zxvd0N5Bmmw-unsplash-scaled.jpg?w=1709&amp;ssl=1 1709w\" sizes=\"auto, (max-width: 684px) 100vw, 684px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Planta de cannabis em um pequeno recipiente com defici\u00eancia de N. Foto: Testeur de CBD &#8211; Unsplash <br\/><\/figcaption><\/figure><\/div>\n<h4 class=\"wp-block-heading\">Temperatura fria<\/h4>\n\n<p>Outra causa comum de defici\u00eancias de nutrientes \u00e9 a temperatura fria do solo. As temperaturas frias podem dificultar a absor\u00e7\u00e3o de nutrientes pelas plantas, especialmente se o solo ou a \u00e1gua estiverem abaixo de 10\u00b0C (50\u00b0F), o que tamb\u00e9m \u00e9 v\u00e1lido para o nitrog\u00eanio. <\/p>\n\n<p><strong>Dicas: <\/strong>Para ajudar suas plantas a absorver os nutrientes de forma eficaz, certifique-se de que a temperatura ambiente permane\u00e7a acima de 18\u00b0C (64,4\u00b0F) e abaixo de 26\u00b0C (78,8\u00b0F) para evitar o solo frio.<br\/>Se voc\u00ea estiver cultivando em condi\u00e7\u00f5es mais frias, considere usar um tapete de aquecimento ou colocar suas plantas em uma \u00e1rea mais quente para manter as temperaturas ideais para a absor\u00e7\u00e3o de nutrientes.<br\/>A temperatura da \u00e1gua deve estar em torno de 18\u00b0C a 22\u00b0C (64,4\u00b0F a 71,6\u00b0F) para a absor\u00e7\u00e3o ideal de oxig\u00eanio e nutrientes, mas pode variar de acordo com as condi\u00e7\u00f5es ambientais e a configura\u00e7\u00e3o.<\/p>\n\n<h4 class=\"wp-block-heading\">pH incorreto<\/h4>\n\n<p>Uma causa comum de defici\u00eancia de nitrog\u00eanio s\u00e3o os n\u00edveis inadequados de pH na zona da raiz. As plantas de cannabis precisam que o pH esteja dentro de uma faixa espec\u00edfica para absorver os nutrientes de forma eficaz &#8211; normalmente entre 5,5 e 6,5, mas no solo pode estar em torno de 6 e 7. Se o pH estiver muito fora dessa faixa, mesmo que o nitrog\u00eanio esteja presente, as ra\u00edzes da planta podem n\u00e3o conseguir absorv\u00ea-lo.  <\/p>\n\n<p><strong>Dica: <\/strong>Verifique o pH e a CE da \u00e1gua de entrada e de escoamento se voc\u00ea suspeitar de uma defici\u00eancia de nutrientes. Calibre seus medidores corretamente para obter resultados precisos. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/crystalweed-cannabis-05dSl1qe5_M-unsplash.jpg?resize=1024%2C683&#038;ssl=1\" alt=\"\" class=\"wp-image-57797\" style=\"width:820px;height:auto\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/crystalweed-cannabis-05dSl1qe5_M-unsplash-scaled.jpg?resize=1024%2C683&amp;ssl=1 1024w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/crystalweed-cannabis-05dSl1qe5_M-unsplash-scaled.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/crystalweed-cannabis-05dSl1qe5_M-unsplash-scaled.jpg?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/crystalweed-cannabis-05dSl1qe5_M-unsplash-scaled.jpg?resize=1536%2C1024&amp;ssl=1 1536w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/crystalweed-cannabis-05dSl1qe5_M-unsplash-scaled.jpg?w=2400&amp;ssl=1 2400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Tente manter o pH em torno de 5,5 &#8211; 6,5 em meios sem solo para obter melhores resultados. pH Crystalweed &#8211; Unsplash <br\/><\/figcaption><\/figure><\/div>\n<h4 class=\"wp-block-heading\">Antagonismo de nutrientes<\/h4>\n\n<p>Certos elementos podem interferir na absor\u00e7\u00e3o de nitrog\u00eanio na cannabis, levando a sintomas de defici\u00eancia mesmo quando o nitrog\u00eanio est\u00e1 dispon\u00edvel. Um dos principais antagonistas \u00e9 o pot\u00e1ssio (K) e o c\u00e1lcio (Ca).   <\/p>\n\n<p>Quando h\u00e1 um excesso de pot\u00e1ssio ou c\u00e1lcio no solo ou na solu\u00e7\u00e3o nutritiva, isso pode prejudicar a capacidade da planta de absorver o nitrog\u00eanio adequadamente. Isso pode resultar em defici\u00eancia de nitrog\u00eanio, apesar dos n\u00edveis suficientes de nitrog\u00eanio no solo. Equilibrar todos os nutrientes essenciais \u00e9 fundamental para garantir que suas plantas possam absorver cada um deles com efici\u00eancia e evitar desequil\u00edbrios que possam prejudicar o crescimento.  <\/p>\n\n<p><strong>Dica: <\/strong>N\u00e3o aplique em excesso os boosters PK (eles cont\u00eam alto teor de f\u00f3sforo e pot\u00e1ssio) e os produtos cal mag (cont\u00eam c\u00e1lcio) para evitar o antagonismo de nutrientes e a defici\u00eancia\/bloqueio de nitrog\u00eanio.<\/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\/a-shelf-with-fertilizer-bottles-that-read-_PK-BOOSTER_-and-_CAL-MAG_-written-on-the-label-grow-with-jane.jpg?resize=1024%2C1024&#038;ssl=1\" alt=\"Garrafas de fertilizante com os r&#xF3;tulos &quot;PK Booster&quot; e CalMag, que destacam os nutrientes essenciais para as plantas.* Crescer com Jane\" class=\"wp-image-57807\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/a-shelf-with-fertilizer-bottles-that-read-_PK-BOOSTER_-and-_CAL-MAG_-written-on-the-label-grow-with-jane.jpg?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/a-shelf-with-fertilizer-bottles-that-read-_PK-BOOSTER_-and-_CAL-MAG_-written-on-the-label-grow-with-jane.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/a-shelf-with-fertilizer-bottles-that-read-_PK-BOOSTER_-and-_CAL-MAG_-written-on-the-label-grow-with-jane.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/a-shelf-with-fertilizer-bottles-that-read-_PK-BOOSTER_-and-_CAL-MAG_-written-on-the-label-grow-with-jane.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/a-shelf-with-fertilizer-bottles-that-read-_PK-BOOSTER_-and-_CAL-MAG_-written-on-the-label-grow-with-jane.jpg?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/a-shelf-with-fertilizer-bottles-that-read-_PK-BOOSTER_-and-_CAL-MAG_-written-on-the-label-grow-with-jane.jpg?w=1120&amp;ssl=1 1120w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Garrafas de fertilizante com os r\u00f3tulos &#8220;PK Booster&#8221; e CalMag, destacando os nutrientes essenciais para as plantas.<\/figcaption><\/figure><\/div>\n<h4 class=\"wp-block-heading\" id=\"h-form-of-nitrogen\">Forma de nitrog\u00eanio<\/h4>\n\n<p>As formas org\u00e2nicas de nitrog\u00eanio (rotuladas como fertilizantes de libera\u00e7\u00e3o lenta e &#8220;nitrog\u00eanio insol\u00favel em \u00e1gua&#8221;) demoram mais para ficar dispon\u00edveis para as plantas porque precisam ser decompostas por microrganismos no solo, um processo que ocorre mais lentamente em compara\u00e7\u00e3o com os fertilizantes sint\u00e9ticos. Isso tamb\u00e9m pode se manifestar como uma defici\u00eancia em curto prazo.   <\/p>\n\n<p><strong>Dica: <\/strong>essas formas de nitrog\u00eanio n\u00e3o devem ser usadas para corrigir defici\u00eancias, se poss\u00edvel. (composto, fertilizantes de libera\u00e7\u00e3o lenta e &#8220;nitrog\u00eanio insol\u00favel em \u00e1gua&#8221;). Em vez disso, experimente fertilizantes que contenham nitrog\u00eanio nitrato de a\u00e7\u00e3o r\u00e1pida para uma corre\u00e7\u00e3o r\u00e1pida.  <\/p>\n\n<p>A ureia \u00e9 um fertilizante nitrogenado acess\u00edvel e amplamente utilizado que se dissolve na \u00e1gua e proporciona libera\u00e7\u00e3o r\u00e1pida (ou lenta) de nutrientes, dependendo da f\u00f3rmula. Embora a ureia possa ser prontamente absorvida pelas ra\u00edzes das plantas, a aplica\u00e7\u00e3o excessiva de ureia pode causar danos \u00e0s plantas ou &#8220;queimaduras&#8221;. Escolha produtos formulados para a cannabis para obter melhores resultados.  <\/p>\n\n<h4 class=\"wp-block-heading\">Problemas de irriga\u00e7\u00e3o<\/h4>\n\n<p>Al\u00e9m disso, o excesso de \u00e1gua ou a drenagem deficiente podem causar problemas nas ra\u00edzes que tamb\u00e9m limitam a absor\u00e7\u00e3o de nutrientes.  <\/p>\n\n<p><strong>Dica: <\/strong>Certifique-se de regar at\u00e9 10% de escoamento se voc\u00ea estiver cultivando em misturas de turfa, coco e solo pr\u00e9-fertilizado. Retire a \u00e1gua de escoamento depois de uma hora para que as plantas n\u00e3o a absorvam novamente. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter 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=\"Evite regar demais as plantas de cannabis\" 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\" \/><figcaption class=\"wp-element-caption\">O excesso de \u00e1gua pode fazer com que os nutrientes saiam do substrato<\/figcaption><\/figure><\/div>\n<h3 class=\"wp-block-heading\"><strong>Como corrigir a defici\u00eancia de nitrog\u00eanio<\/strong><\/h3>\n\n<p>A defici\u00eancia de nitrog\u00eanio \u00e9 uma das defici\u00eancias mais comuns da cannabis. Garantir o equil\u00edbrio correto de nutrientes, monitorar o pH e fornecer pr\u00e1ticas de irriga\u00e7\u00e3o adequadas s\u00e3o fundamentais para evitar a defici\u00eancia de nitrog\u00eanio. <\/p>\n\n<p>Primeiro, certifique-se de que voc\u00ea leu todas as poss\u00edveis causas na se\u00e7\u00e3o anterior e aplique as dicas de corre\u00e7\u00e3o, se necess\u00e1rio. Se tudo parecer estar bem e a defici\u00eancia de nitrog\u00eanio ainda persistir, ent\u00e3o os n\u00edveis de nitrog\u00eanio podem estar muito baixos na mistura do solo. <\/p>\n\n<p><strong>Se os n\u00edveis de nitrog\u00eanio estiverem muito baixos, a adi\u00e7\u00e3o de nitrog\u00eanio sol\u00favel em \u00e1gua, como o nitrato, pode resolver o problema rapidamente.<\/strong><\/p>\n\n<p class=\"has-text-align-center\">Fotos semana a semana da defici\u00eancia de nitrog\u00eanio:<\/p>\n\n<p>Defici\u00eancia de nitrog\u00eanio na semana 3:<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"972\" height=\"1021\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Nitrogen-N-deficiency-progression-Foliar-Symptomology-Cannabis-Llewellyn-Zheng-N-def-week-3.jpeg?resize=972%2C1021&#038;ssl=1\" alt=\"Figura 2. (a) Folhas inferiores come&#xE7;ando a amarelar devido &#xE0; defici&#xEA;ncia de nitrog&#xEA;nio na terceira semana. (Llewellyn, D. 2023) - Grow with Jane blog  \" class=\"wp-image-57826\" style=\"width:823px;height:auto\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Nitrogen-N-deficiency-progression-Foliar-Symptomology-Cannabis-Llewellyn-Zheng-N-def-week-3.jpeg?w=972&amp;ssl=1 972w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Nitrogen-N-deficiency-progression-Foliar-Symptomology-Cannabis-Llewellyn-Zheng-N-def-week-3.jpeg?resize=286%2C300&amp;ssl=1 286w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Nitrogen-N-deficiency-progression-Foliar-Symptomology-Cannabis-Llewellyn-Zheng-N-def-week-3.jpeg?resize=768%2C807&amp;ssl=1 768w\" sizes=\"auto, (max-width: 972px) 100vw, 972px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Figura 2. (a) Folhas inferiores come\u00e7ando a amarelar devido \u00e0 defici\u00eancia de nitrog\u00eanio na terceira semana. (Llewellyn, D. 2023)  <\/figcaption><\/figure><\/div>\n<p class=\"has-text-align-center\">Defici\u00eancia de nitrog\u00eanio na semana 4:<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"436\" height=\"1024\" src=\"https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NITROG3-436x1024.jpe\" alt=\"Figura 2. (b) Defici&#xEA;ncia de nitrog&#xEA;nio progredindo nas folhas do leque de leve (em cima) para grave (embaixo) na quarta semana. (Llewellyn, D. 2023) - grow with jane blog  \" class=\"wp-image-57835\" srcset=\"https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NITROG3-436x1024.jpe 436w, https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NITROG3-128x300.jpe 128w, https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NITROG3.jpe 445w\" sizes=\"auto, (max-width: 436px) 100vw, 436px\" \/><figcaption class=\"wp-element-caption\">Figura 2. (b) Defici\u00eancia de nitrog\u00eanio progredindo nas folhas do leque de leve (em cima) para grave (embaixo) na quarta semana. (Llewellyn, D. 2023)  <\/figcaption><\/figure><\/div><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"705\" height=\"923\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Nitrogen-N-deficiency-progression-Foliar-Symptomology-Cannabis-Llewellyn-Zheng-N-def-week-4.jpeg?resize=705%2C923&#038;ssl=1\" alt=\"Figura 2. (b) Defici&#xEA;ncia de nitrog&#xEA;nio progredindo nas folhas do leque de leve (em cima) para grave (embaixo) na quarta semana. (Llewellyn, D. 2023) - grow with jane  \" class=\"wp-image-57844\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Nitrogen-N-deficiency-progression-Foliar-Symptomology-Cannabis-Llewellyn-Zheng-N-def-week-4.jpeg?w=705&amp;ssl=1 705w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Nitrogen-N-deficiency-progression-Foliar-Symptomology-Cannabis-Llewellyn-Zheng-N-def-week-4.jpeg?resize=229%2C300&amp;ssl=1 229w\" sizes=\"auto, (max-width: 705px) 100vw, 705px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Figura 2. (b) Defici\u00eancia de nitrog\u00eanio progredindo nas folhas do leque de leve (em cima) para grave (embaixo) na quarta semana. (Llewellyn, D. 2023)  <\/figcaption><\/figure><\/div>\n<p class=\"has-text-align-center\">Defici\u00eancia de nitrog\u00eanio na semana 5:<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"696\" height=\"937\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Nitrogen-N-deficiency-progression-Foliar-Symptomology-Cannabis-Llewellyn-Zheng-N-def-w-5.jpeg?resize=696%2C937&#038;ssl=1\" alt=\"Figura 2. (d) Quase todas as folhas do leque est&#xE3;o amareladas e marrons, com descolora&#xE7;&#xE3;o do caule e amarelecimento precoce das folhas de a&#xE7;&#xFA;car na quinta semana. (Llewellyn, D. 2023).   Grow with Jane blog\" class=\"wp-image-57854\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Nitrogen-N-deficiency-progression-Foliar-Symptomology-Cannabis-Llewellyn-Zheng-N-def-w-5.jpeg?w=696&amp;ssl=1 696w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/Nitrogen-N-deficiency-progression-Foliar-Symptomology-Cannabis-Llewellyn-Zheng-N-def-w-5.jpeg?resize=223%2C300&amp;ssl=1 223w\" sizes=\"auto, (max-width: 696px) 100vw, 696px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Figura 2. (d) Quase todas as folhas do leque est\u00e3o amareladas e marrons, com descolora\u00e7\u00e3o do caule e amarelecimento precoce das folhas de a\u00e7\u00facar na quinta semana. (Llewellyn, D. 2023).  <\/figcaption><\/figure><\/div>\n<p>Muitas f\u00f3rmulas de nutrientes comerciais de marca para o cultivo de cannabis no est\u00e1gio vegetativo v\u00eam com uma propor\u00e7\u00e3o adequada de N para f\u00f3sforo e pot\u00e1ssio (por exemplo, NPK 3:1:2).<\/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=\"Garrafas de nitrog&#xEA;nio de ureia e fertilizante NPK 3:1:2, com &#xEA;nfase em nitrog&#xEA;nio para o cultivo de cannabis.* - grow with jane blog\" 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\" \/><figcaption class=\"wp-element-caption\">Garrafas de nitrog\u00eanio de ureia e fertilizante NPK 3:1:2, com \u00eanfase em nitrog\u00eanio para o cultivo de cannabis.<\/figcaption><\/figure><\/div>\n<p><strong>Ap\u00f3s a fertiliza\u00e7\u00e3o com nitrog\u00eanio ou uma f\u00f3rmula NPK balanceada, as plantas devem come\u00e7ar a se recuperar em uma semana.<\/strong><\/p>\n\n<p><strong>As folhas completamente amarelas ou marrons n\u00e3o se recuperar\u00e3o e podem ser cortadas, mas as folhas verde-claras devem recuperar o tom verde de apar\u00eancia saud\u00e1vel.<\/strong><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2021\/04\/crystalweed-cannabis-oIeR-23P5mw-unsplash-scaled.jpg?resize=1200%2C800&#038;ssl=1\" alt=\"\" class=\"wp-image-39458\" data-recalc-dims=\"1\"\/><figcaption class=\"wp-element-caption\">Plantas saud\u00e1veis com folhas verdes &#8211; ph: Crystalweed &#8211; Unsplash<\/figcaption><\/figure><\/div>\n<h2 class=\"wp-block-heading\"><strong>Toxicidade do nitrog\u00eanio na cannabis<\/strong><\/h2>\n\n<h3 class=\"wp-block-heading\"><strong>Sinais de toxicidade por nitrog\u00eanio (excesso)<\/strong><\/h3>\n\n<ul class=\"wp-block-list\">\n<li>As folhas ficam verde-escuras (aumento nas concentra\u00e7\u00f5es de pigmentos fotossint\u00e9ticos)<\/li>\n\n\n\n<li>As pontas das folhas ficam marrons e necr\u00f3ticas (tecido morto)<\/li>\n\n\n\n<li>Pontas das folhas e folhas curvadas para baixo (folhas com garras)<\/li>\n\n\n\n<li>Folhas marrons necr\u00f3ticas com pontas queimadas e encaracoladas  <\/li>\n\n\n\n<li>Redu\u00e7\u00e3o do tamanho do bot\u00e3o durante a flora\u00e7\u00e3o<\/li>\n\n\n\n<li>Crescimento excessivo das folhas. Plantas mais suscet\u00edveis a pragas e doen\u00e7as <\/li>\n\n\n\n<li>A flora\u00e7\u00e3o pode ser atrasada com excesso de nitrog\u00eanio<\/li>\n\n\n\n<li>Flores de sabor ruim, dif\u00edceis de fumar<\/li>\n<\/ul>\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\/2024\/11\/joe-ciciarelli-BHjcOTxZBac-unsplash.jpg?resize=683%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-57877\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/joe-ciciarelli-BHjcOTxZBac-unsplash-scaled.jpg?resize=683%2C1024&amp;ssl=1 683w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/joe-ciciarelli-BHjcOTxZBac-unsplash-scaled.jpg?resize=200%2C300&amp;ssl=1 200w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/joe-ciciarelli-BHjcOTxZBac-unsplash-scaled.jpg?resize=768%2C1152&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/joe-ciciarelli-BHjcOTxZBac-unsplash-scaled.jpg?resize=1024%2C1536&amp;ssl=1 1024w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/joe-ciciarelli-BHjcOTxZBac-unsplash-scaled.jpg?resize=1365%2C2048&amp;ssl=1 1365w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/joe-ciciarelli-BHjcOTxZBac-unsplash-scaled.jpg?resize=600%2C900&amp;ssl=1 600w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/joe-ciciarelli-BHjcOTxZBac-unsplash-scaled.jpg?w=1707&amp;ssl=1 1707w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Folhas verde-escuras com pontas marrons ou amarelas indicam excesso de nitrog\u00eanio. Foto: Joe Ciciarelli &#8211; Unsplash <br\/><\/figcaption><\/figure><\/div>\n<h3 class=\"wp-block-heading\" id=\"h-causes-of-nitrogen-toxicity\">Causas da toxicidade do nitrog\u00eanio<\/h3>\n\n<h4 class=\"wp-block-heading\" id=\"h-overapplying-fertilizers-with-nitrogen\">Aplica\u00e7\u00e3o excessiva de fertilizantes com nitrog\u00eanio<\/h4>\n\n<p>A aplica\u00e7\u00e3o de nitrog\u00eanio em excesso pode levar ao bloqueio de nutrientes, em que a planta tem dificuldade para absorver outros nutrientes essenciais, o que acaba afetando a produ\u00e7\u00e3o de flores.  <\/p>\n\n<p>N\u00edveis elevados de nitrog\u00eanio podem causar competi\u00e7\u00e3o pela absor\u00e7\u00e3o de nutrientes, resultando em antagonismo de nutrientes que limita a capacidade da planta de absorver pot\u00e1ssio, criando uma defici\u00eancia relativa de pot\u00e1ssio mesmo quando os n\u00edveis de pot\u00e1ssio no solo s\u00e3o suficientes.<\/p>\n\n<p>O excesso de nitrog\u00eanio pode causar toxicidade, prejudicando a planta e reduzindo a produtividade. O gosto ruim nos bot\u00f5es com excesso de fertiliza\u00e7\u00e3o tamb\u00e9m \u00e9 muito comum. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/elsa-olofsson-_lB_DHGmkeQ-unsplash.jpg?resize=724%2C1024&#038;ssl=1\" alt=\"Folha de cannabis com ponta necr&#xF3;tica devido &#xE0; toxicidade do nitrog&#xEA;nio Ph: Elsa Olofsson - Unsplash - grow with jane blog\" class=\"wp-image-57887\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/elsa-olofsson-_lB_DHGmkeQ-unsplash-scaled.jpg?resize=724%2C1024&amp;ssl=1 724w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/elsa-olofsson-_lB_DHGmkeQ-unsplash-scaled.jpg?resize=212%2C300&amp;ssl=1 212w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/elsa-olofsson-_lB_DHGmkeQ-unsplash-scaled.jpg?resize=768%2C1086&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/elsa-olofsson-_lB_DHGmkeQ-unsplash-scaled.jpg?resize=1086%2C1536&amp;ssl=1 1086w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/elsa-olofsson-_lB_DHGmkeQ-unsplash-scaled.jpg?resize=1448%2C2048&amp;ssl=1 1448w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/elsa-olofsson-_lB_DHGmkeQ-unsplash-scaled.jpg?w=1811&amp;ssl=1 1811w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Folha de cannabis com ponta necr\u00f3tica devido \u00e0 toxicidade do nitrog\u00eanio Ph: Elsa Olofsson &#8211; Unsplash<\/figcaption><\/figure><\/div>\n<h4 class=\"wp-block-heading\" id=\"h-n-toxicity-in-pre-fertilized-growing-media\">Toxicidade de N em meios de cultivo pr\u00e9-fertilizados<\/h4>\n\n<p>Tenha cuidado ao usar solos pr\u00e9-fertilizados, especialmente para plantas jovens. As mudas n\u00e3o devem ser cultivadas nesses tipos de m\u00eddia. Embora esses solos possam parecer convenientes, \u00e0s vezes eles podem causar &#8220;queima de nutrientes&#8221;, fornecendo muito fertilizante muito rapidamente. O excesso de \u00e1gua pode liberar ainda mais nitrog\u00eanio, piorando a situa\u00e7\u00e3o.   <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"856\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/crystalweed-cannabis-tihv0kcEYQs-unsplash-1.jpg?resize=1024%2C856&#038;ssl=1\" alt=\"\" class=\"wp-image-57905\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/crystalweed-cannabis-tihv0kcEYQs-unsplash-1-scaled.jpg?resize=1024%2C856&amp;ssl=1 1024w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/crystalweed-cannabis-tihv0kcEYQs-unsplash-1-scaled.jpg?resize=300%2C251&amp;ssl=1 300w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/crystalweed-cannabis-tihv0kcEYQs-unsplash-1-scaled.jpg?resize=768%2C642&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/crystalweed-cannabis-tihv0kcEYQs-unsplash-1-scaled.jpg?resize=1536%2C1283&amp;ssl=1 1536w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/crystalweed-cannabis-tihv0kcEYQs-unsplash-1-scaled.jpg?resize=2048%2C1711&amp;ssl=1 2048w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/crystalweed-cannabis-tihv0kcEYQs-unsplash-1-scaled.jpg?w=2400&amp;ssl=1 2400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Planta com excesso de nitrog\u00eanio mostrando folhas escuras com garras. Foto: Crystalweed &#8211; Unsplash <\/figcaption><\/figure><\/div>\n<p>Os substratos pr\u00e9-fertilizados e os fertilizantes de libera\u00e7\u00e3o lenta podem n\u00e3o ser a op\u00e7\u00e3o mais segura para o cultivo de cannabis, pois a temperatura tamb\u00e9m influencia a taxa de libera\u00e7\u00e3o. Em temperaturas acima de 21\u00b0C (69,8\u00b0F), o fertilizante \u00e9 liberado mais rapidamente do que o esperado e pode causar uma queimadura ou toxicidade de nutrientes. <\/p>\n\n<p><strong>Dica:<\/strong> se voc\u00ea estiver transplantando plantas estabelecidas para o solo pr\u00e9-fertilizado, tudo bem, mas isso \u00e9 mais adequado para plantas no est\u00e1gio vegetativo, especialmente se voc\u00ea planeja trein\u00e1-las por um per\u00edodo mais longo.  <\/p>\n\n<p>Para autoflorescentes ou plantas que voc\u00ea deseja colher mais cedo, \u00e9 melhor evitar o solo pr\u00e9-fertilizado com nutrientes de libera\u00e7\u00e3o lenta. O excesso de nitrog\u00eanio durante a fase de flora\u00e7\u00e3o pode, na verdade, reduzir a produ\u00e7\u00e3o. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"562\" height=\"1000\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2022\/08\/Growing-medium-soil-cannabis-plant-Grow-with-Jane.jpg?resize=562%2C1000&#038;ssl=1\" alt=\"transplante de cannabis em est&#xE1;gio vegetativo\" class=\"wp-image-38728\" style=\"width:562px;height:auto\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2022\/08\/Growing-medium-soil-cannabis-plant-Grow-with-Jane.jpg?w=562&amp;ssl=1 562w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2022\/08\/Growing-medium-soil-cannabis-plant-Grow-with-Jane.jpg?resize=169%2C300&amp;ssl=1 169w\" sizes=\"auto, (max-width: 562px) 100vw, 562px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">  Transplante de plantas no est\u00e1gio vegetativo para o solo pr\u00e9-fertilizado<\/figcaption><\/figure><\/div>\n<h3 class=\"wp-block-heading\"><strong>Como corrigir a toxicidade do nitrog\u00eanio<\/strong><\/h3>\n\n<p>Se voc\u00ea notar alguma forma de toxicidade de nitrog\u00eanio, pode tentar lixiviar\/enxaguar o solo com \u00e1gua at\u00e9 que haja 20 a 30% de escoamento. Retome a alimenta\u00e7\u00e3o com uma solu\u00e7\u00e3o de nutrientes dilu\u00edda, garantindo n\u00edveis equilibrados de nitrog\u00eanio. <\/p>\n\n<p>Monitore o escoamento para verificar se a condutividade el\u00e9trica (CE) est\u00e1 adequada, a fim de evitar mais superalimenta\u00e7\u00e3o, e ajuste o cronograma de alimenta\u00e7\u00e3o de acordo. Sempre comece com doses menores de nutrientes e aumente gradualmente. <\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Resumo<\/strong><\/h2>\n\n<p>O nitrog\u00eanio \u00e9 essencial para o crescimento da cannabis, mas tanto a defici\u00eancia quanto a toxicidade podem causar problemas.<\/p>\n\n<p>Os baixos n\u00edveis de nitrog\u00eanio levam a um crescimento mais lento das plantas de cannabis devido \u00e0 redu\u00e7\u00e3o da fotoss\u00edntese, \u00e0 m\u00e1 gest\u00e3o da \u00e1gua e \u00e0 produ\u00e7\u00e3o limitada de pigmentos essenciais para a capta\u00e7\u00e3o de energia (clorofila). Os estudos citados abaixo constataram que, quando os n\u00edveis de nitrog\u00eanio s\u00e3o baixos, a planta sofre estresse, o que pode desencadear o aumento da produ\u00e7\u00e3o de metab\u00f3litos secund\u00e1rios, como canabinoides e terpenoides. Entretanto, a defici\u00eancia grave de nitrog\u00eanio pode prejudicar a sa\u00fade e o desenvolvimento geral da planta.  <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"586\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/RESPON2.jpg?resize=586%2C1024&#038;ssl=1\" alt=\"Concentra&#xE7;&#xE3;o de nitrog&#xEA;nio 30-80 mg\/L (baixa). Ph: (Bernstein, 2020) \" class=\"wp-image-57914\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/RESPON2.jpg?resize=586%2C1024&amp;ssl=1 586w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/RESPON2.jpg?resize=172%2C300&amp;ssl=1 172w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/RESPON2.jpg?resize=768%2C1342&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/RESPON2.jpg?w=873&amp;ssl=1 873w\" sizes=\"auto, (max-width: 586px) 100vw, 586px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Concentra\u00e7\u00e3o de nitrog\u00eanio 30-80 mg\/L (baixa). Ph: (Bernstein, 2020) <\/figcaption><\/figure><\/div>\n<p>Por outro lado, o excesso de nitrog\u00eanio pode prejudicar o crescimento, seja por toxicidade ou por interromper a capacidade da planta de processar o carbono de forma eficaz. N\u00edveis elevados de nitrog\u00eanio favorecem o crescimento vigoroso e a produ\u00e7\u00e3o de metab\u00f3litos prim\u00e1rios compostos ricos em nitrog\u00eanio, como a clorofila (para folhas verdes), mas podem reduzir os n\u00edveis de metab\u00f3litos secund\u00e1rios (canabinoides e terpenos). Isso acontece porque a planta prioriza a cria\u00e7\u00e3o de compostos que dependem do nitrog\u00eanio, em vez de compostos como canabinoides e terpenoides.  <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"579\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/RESPON4.jpg?resize=579%2C1024&#038;ssl=1\" alt=\"Concentra&#xE7;&#xE3;o de nitrog&#xEA;nio 240-320 mg\/L (alta). (Bernstein, 2020)  Grow with Jane blog\" class=\"wp-image-57924\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/RESPON4.jpg?resize=579%2C1024&amp;ssl=1 579w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/RESPON4.jpg?resize=170%2C300&amp;ssl=1 170w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/RESPON4.jpg?resize=768%2C1359&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/RESPON4.jpg?w=866&amp;ssl=1 866w\" sizes=\"auto, (max-width: 579px) 100vw, 579px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Concentra\u00e7\u00e3o de nitrog\u00eanio 240-320 mg\/L (alta). (Bernstein, 2020) <\/figcaption><\/figure><\/div>\n<p>Os estudos citados sobre esse assunto e as evid\u00eancias aned\u00f3ticas da maioria dos produtores mostram que os n\u00edveis de nitrog\u00eanio precisam ser os corretos &#8211; adequados, mas n\u00e3o excessivos &#8211; para apoiar o crescimento e a fun\u00e7\u00e3o saud\u00e1veis. Atingir o equil\u00edbrio certo com nitrog\u00eanio adequado garante um crescimento saud\u00e1vel e, ao mesmo tempo, mant\u00e9m a produ\u00e7\u00e3o ideal de metab\u00f3litos secund\u00e1rios (canabinoides e terpenos), essenciais para a qualidade e a pot\u00eancia da cannabis. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"299\" height=\"979\" src=\"https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NIB1731-1.jpe\" alt=\"\" class=\"wp-image-57936\" srcset=\"https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NIB1731-1.jpe 299w, https:\/\/growithjane.com\/wp-content\/uploads\/2024\/11\/NIB1731-1-92x300.jpe 92w\" sizes=\"auto, (max-width: 299px) 100vw, 299px\" \/><figcaption class=\"wp-element-caption\">Concentra\u00e7\u00e3o suficiente de nitrog\u00eanio: 160 mg\/L (Bernstein, 2021)<\/figcaption><\/figure><\/div>\n<h2 class=\"wp-block-heading\"><strong>Conclus\u00e3o<\/strong><\/h2>\n\n<p>Ao escolher os fertilizantes certos e ajustar as propor\u00e7\u00f5es de nutrientes, voc\u00ea pode manter suas plantas saud\u00e1veis e pr\u00f3speras. Cada planta \u00e9 diferente, portanto, fique atento \u00e0s suas necessidades. <\/p>\n\n<p>A defici\u00eancia de nitrog\u00eanio geralmente ocorre devido \u00e0 escassez ou a desequil\u00edbrios no que a planta recebe &#8211; como a mistura de nutrientes, o tipo de solo ou a adi\u00e7\u00e3o de fertilizantes. Mas mesmo que um nutriente seja fornecido nos n\u00edveis corretos, as defici\u00eancias ainda podem aparecer devido a outros motivos, como bloqueio de nutrientes no solo, competi\u00e7\u00e3o com outros elementos, antagonismo de absor\u00e7\u00e3o ou um pH desequilibrado na zona da raiz. <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/GWJ_ph-ands-nutrients-lockdown_01-1.jpg?resize=1000%2C667&#038;ssl=1\" alt=\"\" class=\"wp-image-57945\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/GWJ_ph-ands-nutrients-lockdown_01-1.jpg?w=1000&amp;ssl=1 1000w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/GWJ_ph-ands-nutrients-lockdown_01-1.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/GWJ_ph-ands-nutrients-lockdown_01-1.jpg?resize=768%2C512&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Me\u00e7a o pH com faixas de pH se voc\u00ea n\u00e3o tiver um medidor de pH<\/figcaption><\/figure><\/div>\n<p>A solu\u00e7\u00e3o de problemas com as plantas \u00e9 mais complexa do que simplesmente associar os sintomas a um gr\u00e1fico de defici\u00eancia de nutrientes. A solu\u00e7\u00e3o bem-sucedida de problemas requer uma abordagem hol\u00edstica, levando em conta o perfil geral de nutrientes, a estabilidade do pH, o ambiente e como os diferentes elementos interagem entre si. <\/p>\n\n<p>Inspecionar regularmente suas plantas de cannabis sob luz branca ou natural em busca de sinais de defici\u00eancias de nutrientes \u00e9 um h\u00e1bito crucial para qualquer produtor.<\/p>\n\n<p>Muitas vezes, quando os sintomas vis\u00edveis, como folhas amareladas, pontas necr\u00f3ticas ou crescimento atrofiado, se tornam \u00f3bvios, a planta j\u00e1 est\u00e1 sofrendo a defici\u00eancia h\u00e1 v\u00e1rias semanas. Esse atraso pode afetar significativamente a sa\u00fade geral e o rendimento, o que torna essencial a detec\u00e7\u00e3o precoce. <\/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\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=1024%2C1024&#038;ssl=1\" alt=\"Planta de cannabis saud&#xE1;vel em flora&#xE7;&#xE3;o - ph: Cultivares Premium - Unsplash\" class=\"wp-image-57954\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=1536%2C1536&amp;ssl=1 1536w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=2048%2C2048&amp;ssl=1 2048w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/11\/premium-cultivars-7ah7durjqPM-unsplash.jpg?w=2400&amp;ssl=1 2400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Planta de cannabis saud\u00e1vel em flora\u00e7\u00e3o &#8211; ph: Cultivares Premium &#8211; Unsplash<\/figcaption><\/figure><\/div>\n<p>Diga-me nos coment\u00e1rios se voc\u00ea tiver alguma d\u00favida ou se tiver enfrentado problemas com nitrog\u00eanio em seu cultivo.<\/p>\n\n<p><strong>No pr\u00f3ximo guia desta s\u00e9rie, exploraremos o papel do f\u00f3sforo (P) na fertiliza\u00e7\u00e3o da cannabis. Fique atento e bom cultivo! <\/strong><\/p>\n\n<p><strong>Fontes:<\/strong><\/p>\n\n<p>Llewellyn, D., Golem, S., Jones, A. M. P., &amp; Zheng, Y. (2023). Foliar Symptomology, Nutrient Content, Yield, and Secondary Metabolite Variability of Cannabis Grown Hydroponically with Different Single-Element Nutrient Deficiencies. Plants, 12(3), 422.   <a href=\"https:\/\/doi.org\/10.3390\/plants12030422\" data-wpel-link=\"external\" rel=\"nofollow\">https:\/\/doi.org\/10.3390\/plants12030422<\/a><\/p>\n\n<p><a href=\"https:\/\/www.mdpi.com\/2223-7747\/12\/3\/422\" data-wpel-link=\"external\" rel=\"nofollow\">https:\/\/www.mdpi.com\/2223-7747\/12\/3\/422<\/a><\/p>\n\n<p>Cockson, P., Landis, H., Smith, T., Hicks, K., &amp; Whipker, B. E. (2019). Characterization of Nutrient Disorders of Cannabis sativa. Applied Sciences, 9(20), 4432.   <a href=\"https:\/\/doi.org\/10.3390\/app9204432\" data-wpel-link=\"external\" rel=\"nofollow\">https:\/\/doi.org\/10.3390\/app9204432<\/a><\/p>\n\n<p><a href=\"https:\/\/www.mdpi.com\/2076-3417\/9\/20\/4432\" data-wpel-link=\"external\" rel=\"nofollow\">https:\/\/www.mdpi.com\/2076-3417\/9\/20\/4432<\/a><\/p>\n\n<p>Saloner, A., &amp; Bernstein, N. (2021). Nitrogen supply affects cannabinoid and terpenoid profile in medical cannabis (<em>Cannabis sativa L.<\/em>). <em>Industrial Crops and Products, 167<\/em>, 113516.<a href=\"https:\/\/doi.org\/10.1016\/j.indcrop.2021.113516\" data-wpel-link=\"external\" rel=\"nofollow\"> https:\/\/doi.org\/10.1016\/j.indcrop.2021.113516<\/a> <\/p>\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0926669021002806\" data-wpel-link=\"external\" rel=\"nofollow\">https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0926669021002806<\/a><\/p>\n\n<p>Saloner, A., &amp; Bernstein, N. (2020). Response of medical cannabis (<em>Cannabis sativa L.<\/em>) to nitrogen supply under long photoperiod. <em>Frontiers in Plant Science, 11<\/em>. <a href=\"https:\/\/doi.org\/10.3389\/fpls.2020.572293\" data-wpel-link=\"external\" rel=\"nofollow\">https:\/\/doi.org\/10.3389\/fpls.2020.572293<\/a> <\/p>\n\n<p><a href=\"https:\/\/www.frontiersin.org\/journals\/plant-science\/articles\/10.3389\/fpls.2020.572293\" data-wpel-link=\"external\" rel=\"nofollow\">https:\/\/www.frontiersin.org\/journals\/plant-science\/articles\/10.3389\/fpls.2020.572293<\/a><\/p>\n\n<p><strong>Fotos e imagens:<\/strong><\/p>\n\n<p>Alicia Muzio (Autora) <a href=\"https:\/\/growithjane.com\/author\/alicia\/\" data-wpel-link=\"external\" rel=\"nofollow\">https:\/\/growithjane.com\/author\/alicia\/<\/a><\/p>\n\n<p>Fotos de estoque de fot\u00f3grafos: <a href=\"https:\/\/unsplash.com\/\" data-wpel-link=\"external\" rel=\"nofollow\">https:\/\/unsplash.com\/<\/a><\/p>\n\n<p>*Imagens geradas por IA de frascos de fertilizantes destacando os principais r\u00f3tulos de fertilizantes apenas para fins de refer\u00eancia, criadas com <a href=\"https:\/\/www.canva.com\/dream-lab\" data-wpel-link=\"external\" rel=\"nofollow\">https:\/\/www.canva.com\/dream-lab<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>A defici\u00eancia de nitrog\u00eanio na cannabis \u00e9 um dos problemas mais comuns no cultivo, especialmente para iniciantes. Isso ocorre porque o nitrog\u00eanio \u00e9 um dos principais elementos essenciais de que as plantas precisam. Este guia de cultivo concentra-se no nitrog\u00eanio para plantas de cannabis, na defici\u00eancia e na toxicidade de nitrog\u00eanio, suas causas e como &#8230; <a title=\"Defici\u00eancia (e toxicidade) de nitrog\u00eanio na cannabis: Guia para detectar, corrigir e prevenir problemas\" class=\"read-more\" href=\"https:\/\/growithjane.com\/pt-br\/cannabis-nitrogenio-deficiencia-toxicidade\/\" aria-label=\"More on Defici\u00eancia (e toxicidade) de nitrog\u00eanio na cannabis: Guia para detectar, corrigir e prevenir problemas\" data-wpel-link=\"internal\">Leia mais<\/a><\/p>\n","protected":false},"author":5,"featured_media":59298,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[859],"tags":[946],"class_list":["post-57988","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cultivo-de-cannabis","tag-nutrientes-pt"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v26.1.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Defici\u00eancia (e toxicidade) de nitrog\u00eanio na cannabis: Guia para detectar, corrigir e prevenir problemas<\/title>\n<meta name=\"description\" content=\"Esse guia de cultivo de cannabis enfoca o nitrog\u00eanio para plantas de cannabis, a defici\u00eancia e a toxicidade de nitrog\u00eanio, suas causas e como corrigi-las.\" \/>\n<meta name=\"robots\" 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Isso ocorre porque o nitrog\u00eanio \u00e9 um dos principais elementos essenciais de que as plantas precisam. 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