... , zinc, molybdenum, iron, so as to elements) ≥ 30 g / L, organic trace ≥ 80 g / L, water insoluble compounds ≤ 50 g / L ... acids, vitamin B, as well as sulfur, magnesium, calcium etc. Organic content g/L≥ 80.0Total content of nutrients (N + P2O5 ... fertilization of crops. 7, Stored the product in a cool dry place, avoid sunlight, high temperature, and humidity. 8, The product ...