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Deficiency

KingJayTkstarted grow question 6y ago

Hey everyone, I need help diagnosing this deficiency. I think its P+K deficiency. The lower leaves turning yellow then brown and crispy. The upper leaves edges are turning brown and the tips are curling upwards.

KingJayTk

KingJayTk

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Leaves. Curl up

Leaves. Color - Yellow

Leaves. Color - Dark-brown

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punxneverdeadanswered grow question 6y ago

Hey there. I would put money on it being 3 things. Cal mag. Light stress. Or heat stress. Looks like or was a good grow anyway.

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JuanHaze_Arganswered grow question 6y ago

Hola. Creo que tengo el mismo problema finalizando la 4ta semana de floracion. Estoy un poco asustado porque la quema no para. Tu solucionaste este tema? También pienso que se debe a una deficiencia de P.K. pero no estoy seguro!

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DoDrugs420answered grow question 6y ago

Excess of Boron. (Maybe) Phosphorous deficiency. Potassium deficiency. Temperature stress, overwatering (Maybe heat with overwatering, or or root zone problems)

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