... , 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 ... Method: With Mu as a unit The use of objectamount of usageusage methodWheat,corn, vegetables, rice, cotton, soybeans and other.60-80KGS/MUBase ... . To pay attention to ventilation for use of big canopy vegetablePackaging and storage: 1.Packing: in plastic PE+PP BAG for each bag ...