不同降水年型下水氮调控对小麦产量及生物量的影响
茹晓雅,李广,陈国鹏,张统帅,闫丽娟

Regulation effects of water and nitrogen on wheat yield and biomass in different precipitation years
Xiao-Ya RU,Guang LI,Guo-Peng CHEN,Tong-Shuai ZHANG,Li-Juan YAN
图4 不同年型小麦产量的变异系数
Fig. 4 Coefficient of variation for wheat yield in different years