Amino Acids Chelate (B, Zn, Cu, Mn, K, Fe) Trace Elements (fertilizer) Keywords: trace element leaf fertilizer, amino acids ... +) ≥1%,(Cu2+) ≥0.5%,(Mn2+)≥ 0.5% AA≥30% Cu+Fe+Mn+Zn+B+K≥6% organic≥45% Composing component THR 1 ... % Usage 1. Dilute triple water Amino acids≥100g/L Cu+Fe+Mn+Zn+B+K≥20g/L (Fe2+≥0.65% , Zn2+ ≥0 ...