China is a large agricultural country,and the steady development of agriculture depends on rational fertilization.Potash is one of the more important fertilizer.As the most important of a chlorinefree high-quality potash fertilizer,potassium sulphate is widely used and its price is lower than the potassium nitrate,and it's one of the important sources of elemental sulfur for most crops.Potassium bisulfate is a kind of potash fertilizer,which not only can be used as intermediate products of many N,P,K compou...
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