This product is extracted from the natural high quality leonardite. It is used as a synergist for the production of fertilizers and composite fertilizers and pesticide. It can efficiently improve potassium supply to soil, enhance crops’ absorption of potassium, strengthen fertilizer efficiency it also can be used as a multi - functional compound fertilizer after combination with nitrogen, phosphorus and potassium. Packed in compound bag 25kg net. Other packing and bag sizes are also available. Appearance: black-brown powderflakegranule humic acid (dry basis) ≥ 60% potassium(k¬2o) 8-10% soluble matter ≥ 95% moisture content，≤ 15.0%

We are offering granular humic acid appearance: black-brown, circular granular humic acid (dry basis) ≥ 60% size : 1-2mm，2-4mm packed in compound bag 25kg net. This product is primarily used as an additive for the production of composite humic acid fertilizers. It can be used as organic fertilizer and directly applied to the organically-deficient soils to add organic matter.