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Yellow leaves?

Voltron1
Voltron1started grow question 4 years ago
Any thoughts on the yellow leaves? Maybe nitrogen deficiency?
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Week 6
Leaves. Color - Yellow
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Athos
Athosanswered grow question 4 years ago
I can't really see it in the pictures very well. Let me ask you a couple of thing: is the yellowing homogeneous (is the whole leave yellow)? Or is the yellowing more pronounced near the tip and the base still green colored? The former is nitrogen deficiency, the later is potassium deficiency. Do you notice rust colored (like burned) tips and edged in leaves? That's a more pronounced stage of potassium deficiency. At this stage it would be strange to have a nitrogen deficiency, since it's so late into flowering. My bet is potassium
The8thChevron
The8thChevronanswered grow question 4 years ago
It looks like potassium (K) deficiency. Nitrogen deficiency isn't likely this late into bloom.
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