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()
),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()
),YAO FanYun1,WANG Dan2,LÜ YanJie1,LIU XiaoDan1,WANG LiChun1,WANG YongJun1,2(),LI CongFeng3()
图3. 不同技术模式及增（减）技术因子对氮素偏生产力（PFPN）的影响
A、B、C分别代表2017年农户模式、高产高效模式、超高产模式及增（减）技术因子的PFPN;D、E、F分别代表2018年农户模式、高产高效模式、超高产模式及增（减）技术因子的PFPN
Fig. 3. Effect of different technical models and their increasing and decreasing technical factor on PFPN
A, B, C represented the PFPN of FP, HH, SH technical mode and the PFPN of increasing and decreasing measure factor in 2017, respectively; D, E, F represented the PFPN of FP, HH, SH technical mode and the PFPN of increasing and decreasing measure factor in 2018, respectively
