N fertilization method 第1页

Effect of Zn application methods on wheat grain yield and Zn utilization in Zn-deficient soils of dryland Effect of incorporating rice straw into the soil on rice growth, soil N and P nutrients under different N and P fertilization models Effect of nitrogen application strategy in the first cropping rice on dry matter accumulation, grain yield and nitrogen utilization efficiency of the first cropping rice and its ratoon rice crop