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Leaves Showing yellow edges and banding
privateerjoshstarted grow question 4 years ago
Is yellowing of leaves and dark leaves toxicity? no curling . moved the lights further away. I'm growing organic. The plants look stunted short dense. I've only got a cheap pH meter calibrated. 🤞 use RO water pH- citric acid. Overall they are short dense growth wise
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the_canna_scientistanswered grow question 4 years ago
Early signs of mag, by the banding on the leaf margins. N def as well from that little leaf guy at the bottom. It is looking like you need to feed em more. I'm not seeing any tox and your tips aren't even N burnt.
The nutes you are using are a 2-5-4, which would explain the need for more Nitrogen.
Also, organic nutes take a week or so to break down, so you've got to think a week ahead. Also, 6.7ph is a lil high for organics, shoot between 6.2ph-6.5ph for your soil. The more food and microbes in the soil, the easier it will be to maintain the PH of the soil.
I'd use a fert with some water-soluble mag in it for instant relief, and add some more N to your regiment.
FreshCoastOrganicsanswered grow question 4 years ago
It’s hard to say if that was due to lights or nutrients but it’s most likely a genetic mutation.
The girls are looking a little light in color, they could possibly use more nitrogen? A nitrogen deficiency would definitely cause stunted/short growth! The vegetative period is when you want to give your plants the most nitrogen and then you back it off during flower with your Bloom nutrients.
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