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Deficiency?
ThatFcukinChronicstarted grow question 3 years ago
My current grow is on its 5th week of flower and many lower leaves on each plant have begun to yellow then develop brown spots. I’ve did a little bit of research and I think it could be a nitrogen deficiency. Any help is appreciated.
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Leaves. Curl down
Leaves. Color - Yellow
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Hazeydaysanswered grow question 3 years ago
Def a nitrogen deficiency, and indeed like TheUk420Show said a cal/mag deficiency. Look at your npk ratio, maybe there is not enough nitrogen in it.
In this stage you have to give around 4% N, 8% P, 10% K and cal mag around 4/3 %. Depends on if you have a sativa or indica, indica needs more nitrogen than a sativa.
auto_flooanswered grow question 3 years ago
Give her nitro + cal mag .just check water for correct PH so she can uptake all.
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WeedisLoveanswered grow question 3 years ago
nitrogen deficiency gets rid of old leaves as the exhaustion grows
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TheUk420Showanswered grow question 3 years ago
First of all its nitrogen and then after that its cal mag they are the most likely suspects i would up your grow feed and then see how you go in a week or so she should strip the yellow leaves and build fresh sets :) prob be the last at that far along in flower :) best of luck for finishing the run :) 👊
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