What is the difference between potassium sulfate compound fertilizer and potassium chloride compound fertilizer?

Potassium sulfate compound fertilizer, also known as sulfur-based NPK fertilizer, is a unique type of blended fertilizer that stands out from traditional compound fertilizers. It is primarily made from sulfuric acid, potassium chloride, ammonium phosphate, and urea, which are chemically combined during the production process. This chemical interaction results in a product with higher nutrient concentration, consistent particle size, uniform color, and improved nutrient absorption efficiency by plants. Compared to potassium chloride-based fertilizers, potassium sulfate has significantly lower chloride content—typically below 2%. This makes it more suitable for sensitive crops such as tobacco, sugarcane, potatoes, tea, and sugar beets, which are prone to damage from high chloride levels. As a result, potassium sulfate compound fertilizer is more versatile and can be used across a wide range of food and cash crops, making it an essential tool for enhancing both crop quality and yield. Moreover, the production process of potassium sulfate compound fertilizer allows for the incorporation of essential micronutrients like boron, manganese, copper, and zinc. These trace elements are crucial for plant growth and development, and their inclusion in the fertilizer helps improve overall nutrient uptake and utilization. This feature makes potassium sulfate not only a source of major nutrients but also a valuable supplement for maintaining balanced soil fertility and promoting healthier, more productive crops.

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