Potassium sulfate manufacturers to explain how to rational use of potassium sulfate:
The Role of Potassium Sulfate in Sulfur Nutrition. Potassium sulfate can provide or improve crop sulfur nutrition, when the soil available sulfur content (S) is less than 12 mg / kg, the general crop will be sulfur deficiency. In the following cases more likely to lack:
① far away from the town, by chimneys and dust pollution in areas less;
② long-term diammonium phosphate instead of calcium superphosphate and phosphate rock, urea, ammonium bicarbonate instead of ammonium sulfate, that is not applied sulfur fertilizer in the region, especially in the northwest and northeast and other remote areas; ③ long-term organic fertilizer , Lack of application or degradation of soil fertility in the more serious areas, of which field crops may be more than vegetables, fruit trees are more susceptible to sulfur deficiency; ④ soil and saline soil area of a larger area, soil sulfur, potassium or polychloride than other regions More need to use potassium sulfate; ⑤ soybeans, rapeseed and other crops like sulfur may be more than the lack of sulfur or need more potassium sulfate.
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