aerobic ferment for compound fertilizer的用法和样例：
- Additive was an important for compound fertilizer.
- Uses: Directly used as fertilizer and resources for compound fertilizer, potassium sulphate, ammonium chloride etc. It is widely used in textile, leather tanning, and medicine.
- Let the beans ferment for two weeks.
- The method also mitigates the pernicious effects of the reagent, improves safety in operation, and is thus brought into line with the new state standards for compound fertilizers.