Potassium nitrate compound fertilizer for fruits
1. The composition of potassium nitrate compound fertilizer is as follows (1) The total nutrient content of phosphorus and potassium is more than 46% [15-13-18] (2) Trace element content ≥ 20% (3) Nitrate nitrogen ≥ 40% (4) OA activated organic fertilizer ≥ 10%, OA activator ≥ 10%, containing chelating trace elements. Potassium nitrate compound fertilizer. […]
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