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Foglia bruciata

PeppeItaliastarted grow question 5y ago

Al mio risveglio una delle piante ha una punta di foglia secca bruciata. Uso un led da 300w. Altre due piante hanno solo le punte delle foglie superiori leggermente gialle, solo piccole punte. Troppi nutrienti?

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Leaves. Edges burnt

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Chow_13answered grow question 5y ago

Looks to me like a Potassium deficiency on that leaf(if near bottom of plant). Where on the plant are those pictures? yellow/brown tips can be either nutrients or light burn. Light burn usually has twisted leaves.

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