... concentrated granulation. Products rich in organic nitrogen, organic matter, amino acid, humic acid , sulfur and other nutrients, It is a multifunctional and ... soil, improve the soil nutrients, improve soil fertility, improved soil structure, it is very good organic fertilizer for green food and ... %, K: 2% S : 1 0%,Organic matter:16%; Amino acid: 8%; Humic acid: 8% Use Method: With Mu as a unit The ...