Specification:It is a high polymer heterogeneous aromatic hydroxyl carboxylic acid salt. It is black powder solid with slight gloss appearance. Dissolve in water and weak alkaline features. It comprises active group hydroxyl, carboxylic acid salt and nitro and so on. Specification: AppearanceBlack-brown powder / granuleSizeGranule:0.2-1mm/2-5mm; Powder:80meshOrganic matter90%min.HA FA (dry basis)80%min.Potassium (as K2O)10%min.Water solubility99%min.pH value9-10 Product efficacies: lStimulate plant growth, increase yield and improve quality of plant.lDissolved in water easily.lIncrease the fertility of soil and adjust soil structure. Enhance the utilization of other nutrient fertilizers.lIncrease permeability of plant membranes, easily absorbed by plant owing to its molecular weight.lPromote the crop resistance to drought and diseases. Package