... concentrated granulation. Products rich in organic nitrogen, organic matter, amino acid, humic acid , sulfur and other nutrients, It is a multifunctional and ... demands, effectively increasing the soil organic matter, soil improvement, alleviate salt.Main index:Size:2-4MM, N : 1 3 % , P :1 ... %, K: 2% S : 1 0%,Organic matter:16%; Amino acid: 8%; Humic acid: 8% Use Method: With Mu as a unit The ...