... . Products rich in organic nitrogen, organic matter, amino acid, humic acid , sulfur and other nutrients, It is a multifunctional ... production. product Features: 1, The organic matter of amino acid organic fertilizer, amino acid content was high ( the organic matter more ... %; Humic acid: 8% Use Method: With Mu as a unit The use of objectamount of usageusage methodWheat,corn, vegetables, rice, cotton, ...