VH303F Potassium Fulvate Flake
Fulvic acid: 50%, humic acid: 50-55%, K2O: 12%, water solubility≥95%. Recommended Application: Foliar spray: 0.2-0.33 gram per liter water at the interval of 10-15 days during the growing stage, drip irrigation: 1-2.5kg per hectare each time.
VH303P Potassium Fulvate Powder
Fulvic acid: 50%, humic acid: 50-55%, K2O: 12%, water solubility≥95%. Recommended Application: Foliar spray: 0.2-0.33 gram per liter water at the interval of 10-15 days during the growing stage, drip irrigation: 1-2.5kg per hectare each time.
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