西山区推广配方施肥增产效果显著昆明市西山区农业局６５０１００王正国目前我国化肥结构不合理，氮素化肥生产数量多，磷肥次之，钾肥和微量元素肥料生产不足，各种结构的复合肥生产量更少。造成各地施肥重氮轻磷钾和微肥的倾向，为了改变这种状况，除了国家调整化肥生产... Xishan District, Promote the effect of formula fertilization yield significant Xishan District Agriculture Kunming 650100 Wang Zhengguo At present, China’s irrational structure of chemical fertilizers, nitrogen fertilizer production is more, followed by phosphate fertilizer, potassium and trace element fertilizer production deficit, the output of various structures of compound fertilizer less. Resulting in fertilizers around the tendency of diazo phosphorus and potassium and micronutrients, in order to change this situation, in addition to the national adjustment of fertilizer production ...