100% Water soluble humic acid fertilizer Item No V PH-0 1 Humic Acid (dry basis) >6 0~6 5% Potassium (K2O) >10-12% Moisture 99 .2 % PH 9-1 1 Appearence Black flake or powder Humic acid is extracted from natural high grade leonardite, Humic acid is a permanent humic substance and cannot be degraded that fast by the microorganisms of the soil. It is natural additive for fertilizer to improve the structure of the soil also to increase the fertility and stimulate plant growth, prompt root development and increase yield and improve quality of plants Usage Rate: field crop,50-100 kgs/ ha per season, for fruit trees: 1-2kgs per plant, for vegetables 1-2kgs/m2,mix additive 30-60kg per ton of composite. Function: (1) Plant growth stimulant, promote root development and stimulate seed germination. (2) Improve the structure of soil,increase the buffering power of soil (3) Neutralize both acidic and alkaline soil,regulate the ph value of soil. Stimulate plant growth,increase the yield and quality,reduce nitrate leaking into the groundwater and Protect the underground water,increase the effectiveness of herbicide pesticide and fungicide,immobilize or reduce their harmful residues. Storage: Store in Cool and Dry Place Shelf Life: 2 years