Due to the reduction of the use of organic fertilizers and farmyard manure in recent years, the supply of sulfur in the soil by organic sulfur is becoming less and less, which is likely to cause soil sulfur deficiency in some areas. When fruit trees are deficient in sulfur growth, the leaves are chlorotic or yellow, and scientific application of sulfur fertilizer is particularly important.
During the application period, the crop is in the peak of sulfur demand when it is adjacent to reproductive growth. Therefore, the sulfur fertilizer should be applied before the reproductive growth, and the base fertilizer is better applied. It can be mixed with fertilizers such as nitrogen, phosphorus and potassium, and combined with the cultivated land to be applied to the soil.
The application rate of sulfur fertilizer should be determined according to the type of crop and the degree of sulfur deficiency in the soil. For plants that require more sulfur in soils with more sulfur deficiency, more sulfur fertilizer should be applied. It is recommended that in the production of wheat, 10 kg of nitrogen should be applied per mu, and 2 kg of sulfur should be applied. In the production of soybeans, 3 kg of phosphorus per acre should be applied with 3 kg of sulfur.
Application method Sulfur fertilizer can be applied alone or in combination with NPK, combined with cultivated land to turn the soil into the soil.
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