Parameters:
| Appearance | Black Powder |
| Humic acid (dry basis) | 65.0% min. |
| Organic matter | 85% min. |
| Total Nitrogen( dry basis) | 2.0% min. |
| Moisture | 18.0%max. |
| C.E.C | 350meq/100g |
| pH | 3.0-5.0 |
| Sieve residue (0.5mm) | 5.0%max |
Functions:
1) Instant effect to improve the structure of soil, increase the buffering power of soil. Help to improve the compact result caused long time using chemical fertilizers.
2) Largely improve the compact result caused by long-time using of chemical fertilizers.
3) Neutralize both acidic and alkaline soils; regulate the pH value of soils, with the prominent effect in alkaline and acidic soil.
4) Stimulate plant growth, increase the yield and quality.
5) Reduce nitrate leaking into the groundwater, and protect the undergroundwater.
6) Increase the effectiveness of herbicide pesticide and fungicide, immobilize or reduce their harmful residues.
Dosage:
Soil application:
Used as base fertilizer or field crop, 50-100kg/ha per crop season.
For fruit trees, 1-2kg per plant.
For vegetables, 1-2kg/m2. Or according to the condition of soil.
Mix additive: 30-60kg per ton of composite.
