不同栽培技术因子对雨养春玉米产量与氮素效率差异的影响
曹玉军1(),姚凡云1,王丹2,吕艳杰1,刘小丹1,王立春1,王永军1,2(),李从锋3()
Effects of Different Agronomy Factors on Yield Gap and Nitrogen Efficiency Gap of Spring Maize Under Rain-Fed Conditions
CAO YuJun1(),YAO FanYun1,WANG Dan2,LÜ YanJie1,LIU XiaoDan1,WANG LiChun1,WANG YongJun1,2(),LI CongFeng3()

图4. 技术因子对玉米产量及效率贡献的优先序

Fig. 4. Priority of contribution of measure factors to maize yield and efficiency