Potassium sulfate is a colorless crystal with low hygroscopicity, low caking properties, excellent physical properties, and easy application, making it an excellent water-soluble potassium fertilizer. It is also chemically neutral and physiologically acidic. It is a chlorine-free, high-quality, and highly effective potassium fertilizer, particularly essential for the cultivation of chlorine-sensitive crops such as tobacco, grapes, sugar beets, tea, potatoes, flax, and various fruit trees. It is also the primary raw material for high-quality nitrogen, phosphorus, and potassium compound fertilizers.

Potassium sulfate compound fertilizers primarily consist of nitrogen (N), phosphorus (P), and potassium (K), with potassium provided in the form of potassium sulfate (K₂SO₄). This combination allows the fertilizer to simultaneously meet the multiple nutrient requirements of crops. Nitrogen promotes leaf and stem growth, phosphorus contributes to root development and flower and fruit formation, and potassium enhances stress resistance and fruit quality. As a potassium source, potassium sulfate also contains sulfur, a secondary nutrient essential for crop growth that is involved in protein synthesis and enzyme activity regulation. Potassium sulfate compound fertilizer is suitable for a variety of crops, including food crops (such as rice and wheat), cash crops (such as cotton and rapeseed), fruit trees (such as apples and citrus), and vegetables (such as tomatoes and cucumbers). It is particularly effective for potassium-loving and chlorine-sensitive crops, such as potatoes and tobacco. These crops have high potassium requirements and are sensitive to chlorine. Using potassium sulfate compound fertilizer can effectively prevent chlorine damage while improving yield and quality.