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Deficiency?

ThatFcukinChronicstarted grow question 3y 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.

ThatFcukinChronic

ThatFcukinChronic

ThatFcukinChronic

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Leaves. Curl down

Leaves. Color - Yellow

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Hazeydaysanswered grow question 3y 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.

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BigDaddyKanswered grow question 3y ago

It’s a ph / Cal mag issue

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auto_flooanswered grow question 3y ago

Give her nitro + cal mag .just check water for correct PH so she can uptake all.

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WeedisLoveanswered grow question 3y ago

nitrogen deficiency gets rid of old leaves as the exhaustion grows

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TheUk420Showanswered grow question 3y 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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