... ,potassium sulphate ,contain nitrogen, phosphorus, humic acid, organic fertilizers etc..Advantages: Hormone free,non-toxic,harmless, non-contamination, nonpersistent ... an internationally recognized "green products".Now the vegetable Protein Fertilizers have been sold in a number of areas such ... protein peptide can be used by dilution 800 times liquid, and combined with pesticide, it can improve the ...