1. Effectively improve the stress resistance of crops, so that the crop stem grows tough, prevent lodging, enhance drought resistance, cold resistance, disease resistance and pest resistance.
2. Effectively promote crops to make better use of nitrogen and increase the content of protein. And can promote the production of sugar and starch.
3.so that all kinds of fruits and vegetables tuber, tuber root increase, shape and color beautiful. Increase the content of vitamin C in fruits.
4. Improve the oil content of oil crops and increase the content of vitamin C in fruits.
5. Accelerate the ripening of fruits, vegetables and other crops, and make them mature earlier. Enhance fruit bruise resistance and delay fruit natural decay ability, extend the storage period.
6, increase cotton, hemp crop fiber strength and fineness, color and brightness.
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Attention
1 in acidic soil, excess sulfate will increase the acidity of the soil, and even aggravate the toxicity of active aluminum and iron in the soil to crops. Under flooding conditions, excessive sulfate will be reduced to hydrogen sulfide, causing the roots to become damaged and black. Therefore, long-term application of potassium sulfate should be combined with farmyard manure, alkaline phosphate fertilizer and lime to reduce acidity. In practice, drainage and field sunning measures should be combined to improve ventilation.
2, in calcareous soil, sulfate reacts with calcium ions in the soil to form insoluble calcium sulfate (gypsum). Excessive calcium sulfate will cause soil compaction, and at this time, attention should be paid to increasing the application of farmyard manure.
3, it should be used mainly on crops that avoid chlorine, such as tobacco, tea trees, grapes, sugarcane, beets, watermelons, potatoes, etc. Increasing the application of potassium sulfate will not only increase yields, but also improve quality. Potassium sulfate is more expensive than potassium chloride and has a limited supply. It should be used mainly on economic crops that are sensitive to chlorine and like sulfur and potassium, and the benefits will be better.
4, this fertilizer is a physiological acid salt, which can lower the pH value of the soil when applied to alkaline soil.
