Due to differences in nutrients, texture, soil temperature, and pH between soils, in addition to the "measurement formula" for soil nutrient content, fertilizers should also be "fertilized due to soil" and other appropriate fertilization strategies to use fertilizers. The greatest benefit. Soil texture difference clay soil. The organic matter is relatively abundant. This type of cultivated land has good water retention and fertilizer retention performance, but the soil permeability is poor, and the effect after fertilization is slow. Therefore, the application of organic fertilizer must be fully cooked, topdressing should be appropriate in advance, to promote the appropriate reduction in the number of fertilization, as far as possible in the critical period of fertilizer requirements and more concentrated, the crop should avoid excessive nitrogen fertilizer to prevent the crop "greed." Sand loam. Loose soil, easy to lose water and fertilizer. This kind of soil must pay attention to increase the organic fertilizer, due to quick effect after fertilization, top dressing should advocate "eat less meals," increase the amount of appropriate amount of fertilizer, fertilizer should not be too much each time, to avoid loss of waste. Loamy soil. Between the clay soil and the sand soil, both have the advantages, according to the appropriate local climate crop yield requirements and growth, long-term fertilization. The soil "cold and hot" is different. The clay soil is a cold soil, the sandy soil is a hot soil, and the loam is a warm soil. The use of organic fertilizer should be chosen to increase its utilization. Sandy soil promotes the use of cold manure such as cow dung, and clay soil promotes the application of hot organic fertilizers such as chicken manure or cow manure that has accumulated and fermented. In addition, due to nitrate fertilisers (such as ammonium nitrate, potassium nitrate, etc.), an endothermic reaction occurs during the dissolution process, which causes the soil to cool, so avoid using it on the viscous material. Soil acidity and alkalinity vary According to relevant data, the alkaline soil with a pH value of 7 to 8 has a high content of available nitrogen. Attention should be paid to the application of ammonium nitrogen to prevent its volatilization. In partially acidic soils with a pH of 6 or less, elements such as potassium and calcium are easily replaced by hydrogen ions and lost to water. The effectiveness of phosphorus is more easily affected by the pH of the soil. When the pH value is 6 to 7.5, its effectiveness is higher; when the pH value is more than 7.5, it easily combines with the calcium in the soil to form insoluble calcium phosphate; when pH When the value is 6 or less, insoluble aluminum phosphate is synthesized with iron and aluminum. Therefore, it is necessary to consider when preparing fertilizers to avoid unnecessary losses. Farmers Daily Wuxi ASK Pneumatic Machinery Co.,Ltd , https://www.askpneumtic.com