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Burn or deficiency?
Jellystarted grow question 2y ago
Organic living soil, top dressed once w guano and vermiculite at start of flower. Last week fed with molasses and now have some yellowing on the upper leaves, some brown spots on top leaves, and red stems on one. No bottled nutes. Burn or deficiency?
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GrowingGrannieanswered grow question 2y ago
Deficiencies... calcium and potassium .. and I think phosphorus is headed your way as well... If you're not doing bottled nutes, look into bone meal and Langbeinite for your P and K ... I've used Langbeinite 0-0-22 before but it doesn't dissolve easily so I used one tablespoon as a top dress once a month throughout the grow...
Good luck!
torresgrowanswered grow question 2y ago
it seems to me that you started having problems after the flora started, you can see that it's not an excess of nutrients because it was losing color until it started to burn, and you didn't exaggerate in anything from what I think, some very clear signs of lack of calcium are those "burned" balls, unfortunately I don't have much knowledge in organic, but you will need to do a better coverage when you get into the flora, guano alone will not guarantee a good coverage
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