... kinds of trace elements like zinc, copper, manganese, Amino Acids Chelate (B, Zn, Cu, Mn, K, ... I. ComponentsThis product is mainly composed of 18 amino acids as well as more than ten kinds ... etc. It is of no toxicity and pollution.Amino acids is more than 28%, chelated trace elements ... young fruits’ expansion and coloration, increase the fruits’ sugar content, setting rate, output and improve the crops’ ...