1, promoting development. Three kinds of 15 potassium sulfate compound fertilizers of Jiangsu Feng Wan Fertilizer Co., Ltd. contain 3% nitrogen, 0% phosphorus and 0/5% potassium, which can improve the drought resistance, cold resistance and disease resistance of crops and promote the development of fruits and tubers.
2. Suitable for potassium-deficient soil. Jiangsu Feng Wan Fertilizer Co., Ltd. III 15 potassium sulfate compound fertilizer is suitable for potassium-deficient soils and crops such as vegetables, melons and fruits.