从理论上说,磷肥应该集中施用。但在生产中发现集中施用时,集中程度愈大,与根系接触面愈小,不利于提高磷肥肥效。最好的方法是将磷肥呈带状施于地表,然后翻压入土壤内,使磷肥大体与百分之十的土壤相接触。凉城县金星大队利用磷肥拌种亩产小麦 In theory, phosphate fertilizer should be concentrated application. However, in the production of concentrated application found that the greater the degree of concentration, the smaller the contact surface with the root, is not conducive to improving fertilizer efficiency. The best way is to strip the phosphate fertilizer applied to the surface and then press it into the soil to make it roughly 10 percent of the soil. Liangcheng County Venus unit using phosphate fertilizer seed wheat yield