Humic Acid Potassium - 5.3

Formulation I
Black brown granule (Diameter: 0.2-1mm)
HA (dry basis) ≥70%, K2O≥12%, moisture≤15%, insoluble substance≤5%
Formulation II
Black powder
HA (dry basis) ≥60%, K2O≥10%, moisture≤15%, insoluble substance≤25%

Packing: 20kg/bag