Amino acid organic fertilizer N-P-K-S:13-1-2-10 specification :2-4mm Amino acid ... .Main index:Size:2-4MM, N : 1 3 % , P :1%, K: 2% S : 1 0%,Organic matter:16%; Amino acid: 8 ... unit The use of objectamount of usageusage methodWheat,corn, vegetables, rice, cotton, soybeans and other.60-80KGS/MUBase fertilizer use: deep ... .Storage: sealed, moisture-proof. Amino acid organic fertilizer (N-P-K-S:13-1-2-10)