河南省夏玉米产量空间分布特征及其影响因素
巫振富,赵彦锋,程道全,陈杰

Key factors affecting the spatial variation of summer maize yield in Henan Province, China
WU Zhenfu,ZHAO Yanfeng,CHENG Daoquan,CHEN Jie
图2 影响因素和阴影特征的重要性(误差线为±标准差)
Figure 2 Z-score values of influencing factors and shadowmax (error bar represents ±1 standard deviation)