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Hello all! After 2 weeks of N deficiency, i raised...

legolas40
legolas40started grow question 6 years ago
Hello all! After 2 weeks of N deficiency, i raised the ml of biocanna vega even more than canna max says. Yesterday i used 4 litres of 1.2 EC solution water, and the EC measurement after it is 1.7. Is it ok now? I have to add more fertilitzant? Or less? Thanks!
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Week 12
Leaves. Dropping off
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Athos
Athosanswered grow question 6 years ago
It's not going away because it's not N deficiency, it's potassium (K) deficiency, quite common in flowering stage after the stretch. Carefully check the lower leaves, yes they are yellowing, but it's not homogeneous like with N deficiency, it starts at the leaf tip with the leaf base still green, also they show rust spots, classic K deficiency. Stop with the veg nutes and change to bloom. 1.7 EC run off is actually quite low, as long as it remain constant or ir goes down, don't worry.
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OutForReal
OutForRealanswered grow question 6 years ago
Hi amigo ! I think you must chek you Ph and keep it at 6.2 and rise it at 6.5 in the end of the flowering : cannabis do best between 5.5 & 6.5 so you'r already in the highest ph range. The ph can affect the nutrient absobtion. But between 6.0 and 6.5 ph range the plant can collect any nutrients she needs at the right amount if soil is corectly loaded with nutrients. Try to add some Cal mag and low your nuts to 1.2 /1.4 during a week a two. AND STOP THIS BIO VEGA , IT'S TIME FOR BIO FLORES !! Peace 😘
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Stick
Stickanswered grow question 6 years ago
Hi @legolas40! It seems that your plant cannot absorb N anymore, but this is probably not coming directly from a deficiency since you gave unreasonable amounts of BioVega for the last weeks. I'm thinking about a nutrients lockout, you may have created some salts buildup in your soil, by adding more and more nutrients without adjusting to the right pH range. 6.5 is not the ideal pH range for your babies, considering you're growing in soil it should be around 6.0-6.2. So now your roots are trapped in a hot soil fully loaded of Nitrogen they can't digest. In this situation I would give it a good flush with only pH'd water (6.0) and some cal/mag for at least a whole week. Next time remember a flowering plant doesn't need Nitrogen after the stretch has ended, you can kill it very quickly by giving it growing nutrients when she's flowering. Hope this helps, keep us up-to-date and happy growing 👊
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