getinthepool27
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Reply to Deficiency question and defoliation question.
Magnesium deficiency shows fading or rust in between the veins (like in the pics)
calcium deficiency shows rust spots as “dots” randomly all over the leaves.
phosphorus deficiency shows fading and/or rusting on the outer edges of the leaf.
Do with that info what you will.
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Reply to Deficiency question and defoliation question.
Seems like you have it dialed. Still, you are at the top end of PAR with no CO2. That should be just fine, but you’re pushing them hard so just keep in mind some certain cultivars will be more sensitive than others.
danknuggardens -
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phenominal_phenos posted an update 6 months ago
IDEAL TEMP/HUMIDITY/PAR:
It is all “ideal.” That means, even if your temps are too high, and you can’t change that, you CAN change your humidity and PAR to be “ideal” with the temperature you do get.
What I’m talking about is VPD. All three things come together to make VPD. If you can control two of the three, you still can create optimal…
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Reply to Deficiency question and defoliation question.
Do you measure your light’s PAR? Sometimes the lighting can affect how much the plant needs of certain things as well. The light can be pushing them too far sometimes.
What I’m trying to say, is the environment has to be dialed in. Get the VPD correct. Control what you can control, but adjust to the things you can’t. If you cannot change the…
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