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Yellow/brown and crispy lower leaves?

Growpotkinstarted grow question 5y ago

Some of the lower leaves on my Purple Punch Auto are turning yellow/brown and crispy (day57-58). The one pictured has just developed like this—I trimmed a fan leaf yesterday that was in bad shape. Any advice would be great!

Growpotkin

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Leaves. Color - Yellow

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MrBlocc420answered grow question 5y ago

You might be having a nitrogen deficiency, A cannabis nitrogen deficiency will cause the older, lower leaves on your plant to turn yellow, wilt away and eventually die. The plant typically appears pale or lime-colored. The yellow tips and curling edges can be from light or heat stress .

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