1. Agricultural potassium nitrate fertilizer is one of the main raw materials for the production of nitrate nitrogen compound fertilizer (tobacco fertilizer).

2. Soil application: agricultural potassium nitrate fertilizer can be used alone as a base fertilizer or top dressing; it can also be used as a foliar spray or used together with other fertilizers.

3. Irrigation with water: This fertilizer can be irrigated with water or used as foliar spray together with other fully soluble fertilizers.

4. Storage method: pay attention to moisture, rain and sun.