... fertilizer N-P-K-S:13-1-2-10 specification :2-4mm Amino acid organic fertilizer Amino acid organic fertilizer is to use corn ... concentrated granulation. Products rich in organic nitrogen, organic matter, amino acid, humic acid , sulfur and other nutrients, It is a multifunctional and ... : 1 3 % , P :1%, K: 2% S : 1 0%,Organic matter:16%; Amino acid: 8%; Humic acid: 8% Use Method: With Mu as ...