*potassium humate *humic acid 55% *organic matter 65%min *80-100mesh black granule *flexiable payment organic fertilizer Potassium humate 65%FunctionVery good organic fertilizer.Accelarate the growth of plant.Improve soil condition.Help keep water and nutrient of soil.Specification AppearanceFine powderFine powderHumic acid (dry base), %≥ 5052Oganic matter, %≥ 6568K2O, %≥ 8.09.8Water, %≤ 2018pH9~ ...