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Yellow lower fan leaves with brown spots
Jesperadostarted grow question 2 years ago
Lower fan leaves is turning yellow - some have brown spots. What's going on?
I'm in week 6 and watered my girls yesterday. I lowered my led light slightly. Distance is app. 40 cm. It's auto plants 2 weeks into flowering. Light schedule is 16/8. Regular soil with perlite and coco
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Leaves. Color - Yellow
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Ratch33answered grow question 2 years ago
Hello there..
Looks like a Nitrogen deficiency & high VPD.
What are your room Temp & humidity?
What light you using?
Jesperadoanswered grow question 2 years ago
Thanks👍 I fed the girls with diluted urine and it worked wonders.
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GrowingGrannieanswered grow question 2 years ago
Hey Jesperado... you don't have a diary going for this grow! Any answers you get are therefore going to only be guesses and I'm guessing nitrogen toxicity... But I don't know what you're feeding or in what amounts.. Do yourself a favor and start a diary for this - that way, it helps us help you!
Good luck!
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HerbalEduanswered grow question 2 years ago
yeah it does look like a nitrogen deficiency (yellowing) as well as the beggining of a potassium deficiency (brown spot):
https://loudclouds.co/wp-content/uploads/2016/07/marijuana-deficiency-chart-jorge-cervantes.jpg
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