- Black powder, flake or Spherical
- Dissolving easily in the water, the aqueous solution is black brown
- Alkalinity and non-toxic.
Advantages:
1. It can improve the soil's physical characteristics,the soil's aggregate structure, and reduce soil's density
2. Increase the soil's ability of cationexchange and fertilizer's maintaining
3. Promote decomposition of manmade (egpesticides) or natural toxic substances
4. Increase the soil's ability of balance, and neutralize the soil's PH value
5. Increasing crop yield, improving crop quality and improving fruit sweetness.