1高氮复合肥造成玉米不出苗和死苗的原因1.1与施肥时期有关玉米的施肥分为:基肥、种肥和追肥。玉米要获得高产和优质,除品种因素外,在施肥上一定要注意基肥、种肥和追肥的数量分配,并且做到氮磷钾合理配方。如果试图通过施用高氮复合肥作种肥来代替基肥的施用,将 1 high nitrogen fertilizer causes maize does not emerge and dead seedlings reasons 1.1 and fertilization period corn fertilizers are divided into: basal fertilizer, fertilizer and top dressing. To obtain high yield and high quality corn, in addition to factors of variety, fertilizer must pay attention to the base fertilizer, fertilizer and top dressing of the number of distribution, and to achieve a rational formula of nitrogen, phosphorus and potassium. If you try to use high-nitrogen fertilizer as fertilizer instead of basal application, will be