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What's the problem with the leaf?
RFarm21started grow question 3 years ago
What's up with these leafs? lack of ca/mag ? I'm in the 4th week of flowering.(autoflower). This plant is a little stunted from the beginning but only now do the leaves look like that. two days ago I reduced the dosage of biogrow and bioheaven a little
Thanks for the help!
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Ezzjaybruhanswered grow question 3 years ago
Mmm I’m thinking calcium or magnesium deficiency.. hard to say as they kinda overlap sometimes in symptoms.. looks like you’ve got N excess as well by the looks of the darker green shiny leaves in the video - could be wrong about that but that would explain a calcium deficiency.
If your foliage does indeed look darker green and glossy almost I might flush or eliminate N heavy nutrients completely. I’m not familiar with the “bio” line up of nutrients to expand on that further, but week 4 of flower you can pretty much cut N completely outta the equation.
Good luck 👍
Fungal79answered grow question 3 years ago
I'd put money on a ph problem, in the growing medium.
A quick slurry test will give you a rough idea.
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RFarm21answered grow question 3 years ago
ChitownCannaChica não, apenas rego normalmente o solo.
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RFarm21answered grow question 3 years ago
Ezzjaygrows obrigado pela resposta! Penso que seja isso mesmo, próxima alimentação vou diminuir mais um pouco o nitrogênio e aumentar a dose de CalMag
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ChitownCannaChicaanswered grow question 3 years ago
That looks like water/light burn. Have you done a foliar or IPM spray lately?
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