I got a couple of 20 days plants and all becoming yellow on last couple of days. Im using many time used Plagran soils. I was add some vermicompost but I used those soils already on shot on previous grow. And it was ok. Im only feeding with Canna line liquid ferts relying the schledule. Its weird that I got 4 plant an I got this symptom more ore less with all of. I just transplanted some of those in last week. So they dont look happy. I tried to diagnose with guides and I felt like it can be zinc, manganaze or sulfur deficency.What you think?
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