Carence ou pas ?

Le_Duc_Du_Budstarted grow question 4y ago

On 3 plants, only 1 has two or three leaves with slight brown spots. I'll show you in a photo. If you can advise me. Thank you.

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Week 4

Leaves. Other

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Robertsanswered grow question 4y ago

Based on edges it needs more potassium. Brown and straight is potassium deficiency. It then leads to spots. I would also check your substrate ph. If that is out if line nothing is being absorbed

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