Phosphate fertilizer application techniques
Superphosphate and calcium magnesium phosphate are low-level phosphate fertilizers. Physicochemical properties, superphosphate is a water-soluble phosphate fertilizer, suitable for use in neutral, alkaline and slightly acidic soils; calcium magnesium phosphate fertilizer is soluble phosphate fertilizer. In acidic soils. 1. Superphosphate is the earliest industrialized chemical fertilizer in the world and is currently the main low-concentration phosphate fertilizer product in China. The main phosphorus-containing active ingredient is monobasic calcium phosphate monohydrate. The specific application method is as follows: 1, mixed with organic fertilizer application. When superphosphate is mixed with organic fertilizers, it can be used by the distribution system of organic fertilizers to reduce contact with the soil and increase its fertilizer efficiency. 2, acidic soil can be used with lime, calcareous soil with ammonium sulfate application. 3. Although some fertilizers can be mixed, they must be used immediately after mixing, such as mixing nitrate-nitrogen fertilizer with superphosphate. The use of some fertilizers will cause a large loss of nutrients and cause a great deal of waste. Alkaline fertilizers such as grass ash and lime should not be mixed with superphosphate. Second, calcium magnesium phosphate fertilizer, also known as molten magnesium phosphate fertilizer, is a kind of aluminosilicate glass body containing phosphate. The calcium magnesium phosphate fertilizer not only provides 12% to 18% of low-level phosphorus, but also provides a large amount of silicon, calcium and magnesium. Pay attention to the following points when choosing: 1. Identification of color and shape: Calcium, magnesium, and phosphate fertilizers are mostly gray, light green, dark green, dark brown and other different colors and are powdery. 2. Hand-feel recognition: Calcium-magnesium phosphate is a soluble phosphorus fertilizer, soluble in weak acid, alkaline, non-corrosive, non-absorbent and non-agglomerating. 3, water-soluble identification: calcium magnesium phosphate without any odor, insoluble in water. Inshell Coffee Beans,Coffee Beans In Shell,Inshell Arabica Coffee Beans,Inshell Robusta Coffee Beans YUNNAN H.C.IMPORT & EXPORT CORP , https://www.hccoffeebean.com