Dec 30, 2019
Before we identified copper as an essential nutrient, we were using it as a natural fungicide. Copper is essential in reproductive systems in the plant. Copper deficiencies are not wide spread, but where there is a deficiency, it is hard to visually identify. Copper effects the reproductive growth but not vegetative growth, therefore the plant may show good healthy growth but actually have a copper deficiency. If you have pH higher than 7 and high organic content, it might be wise to experiment with some copper applications.
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