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Lower leaves turning yellow maybe nitrogen?
Bennygen2started grow question 3 years ago
Can anyone help here at day 22 and she's yellowed on some bottom leaves and one was so bad I pulled it? I'm thinking nitrogen she's auto and fed with 1ml pl biobizz grow 1.5ml cal mag and just done 0.5ml of nitrogen last night
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Leaves. Color - Yellow
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sativamananswered grow question 3 years ago
Is this your Blue Dream auto? She beefed up since last week! Look like she is hungry. I don't know much about what soil base you use neither a Biobizz but from feeding chart she could use some this chart is for photos, autos are much more faster growing but on the other and you don't want to end up with to much N in soil once she starts to bloom. So I would believe you are week -1 but I would consider starting the bio bloom next watering as this looks from here like a possible K deficiency.
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Karusamaanswered grow question 3 years ago
It May be Mg but before everything.
Which are the leaves yellowing? Older or younger ones?
Than try to contro the pH of the soil.
If is it 6.5-7 try to use coffe residues to make it more acid.
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