Amino acid organic fertilizer N-P-K-S:13-1-2-10 specification :2-4mm ... and utilization, so that the amount of NPK elements function into full play, slow lasting supply crop growth demands, ... Size:2-4MM, N : 1 3 % , P :1%, K: 2% S : 1 0%,Organic matter:16%; Amino acid: 8 ... /MUBase fertilizer use: deep buried 10-15 cm, one-time fertilization.To use: after ditching and fertilizingEggplant, peppers, tomatoes ...