Humic Acid is a high polymer heterogeneous aromatic hydroxyl carboxylic acid.
It is black brown powder or granular, insoluble in water and is of weak acidity, easily soluble in alkali. Humic Acid Powder is extracted from natural leonardite and weathered coal. And it is a permanent humic substance and can not be degraded that fast by the microorganism in the soil. It is a natural additive for fertilizer to improve the structure of the soil and increase the fertility.
1. Improve the structure of soil; increase the buffering power of soil.
2. Neutralize both acidic and alkaline soil; regulate the pH-value of the soil.
3. Stimulate plant growth, increase the yield and quality.
4. Increase the effectiveness of herbicide, pesticide and fungicide, immobilize or reduce their harmful residues.
Potassium humate Potassium fulvate
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