Potassium humate is a polymer of uniform aromatic hydroxy acid salt. Potassium humate is a polymer of uniform aromatic hydroxy acid salt, potassium humate have soil improvement, promote plant growth and improve fertilizer etc.Main ingredient:HA(dry base)≥65-70%.K2O≥10%,Moisture≤12%,Water-insoluble≤5%,PH:8-10Packing:25kgs/bag Potassium humate