不同降雨状况下渭北旱地春玉米临界氮稀释曲线与氮素营养诊断
刘朋召,师祖姣,宁芳,王瑞,王小利,李军

Critical nitrogen dilution curves and nitrogen nutrition diagnosis of spring maize under different precipitation patterns in Weibei dryland
Peng-Zhao LIU,Zu-Jiao SHI,Fang NING,Rui WANG,Xiao-Li WANG,Jun LI
图4 不同降水状况下旱地玉米临界氮浓度稀释曲线的验证
a: 穗期多雨; b: 穗期干旱。
Fig. 4 Validations of critical nitrogen dilution curve with independent data under different precipitation patterns in dryland spring maize
a: rainy at the ear stage; b: drought at the ear stage.