Potassium sulphate type compound fertilizer is produced by low temperature conversion, chemical synthesis and spray granulation process of potassium chloride. It has good stability and contains S, Ca, in addition to the three major nutrients such as N, P and K which are necessary for plants. , trace elements such as Mg, Zn, Fe, Cu, etc. This fertilizer is suitable for a variety of cash crops, especially for chlorine-sensitive crops. The main components of the potassium sulfate type compound fertilizer are MAP (monoammonium phosphate) DAP (diammonium phosphate), ammonium sulfate (mainly obtained by low-temperature conversion of surplus sulfuric acid and gas ammonia). Potassium sulphate, urea and the like also have some small amounts of impurities such as calcium sulphate, iron, aluminum, magnesium and other salts of phosphate and a small amount of unreacted potassium chloride.
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