Rational application of phosphorus fertilizer can increase crop yield, improve crop quality, accelerate tillering and promote full grain of cereal crops. Promote the flowering and fruit of cotton, melons, solanaceous vegetables and fruit trees, improve the fruit rate; Increase sugar in beets, sugarcane, watermelon, etc. The oil content of rapeseed.
1, as far as possible to reduce contact with the soil, it is appropriate to concentrate fertilization, such as strip application, hole application
2. Maximize the chance of contact with the root system
3. Reduce fixation by soil iron and aluminum