夏玉米产量与光温生产效率差异分析——以山东省为例
王洪章,刘鹏,董树亭,张吉旺,赵斌,任佰朝

Analysis of Gap Between Yield and Radiation Production Efficiency and Temperature Production Efficiency in Summer Maize: Taking Shandong Province as an Example
WANG HongZhang,LIU Peng,DONG ShuTing,ZHANG JiWang,ZHAO Bin,REN BaiZhao
表7 各因素对于产量差的贡献率
Table 7 Contribution rate of each factor to the yield gap
年份
Year
地点
Site
贡献率Contribution rate (%)
当前不可控因素
Non-controllable factors
可控因素Controllable factors 地域差异因素
Location factors
大量资源投入
Excess nutrients input
优化栽培措施
Optimized cultivation measures
当前农艺水平
Current crop management
2017 泰安Taian 60.58 11.20 14.89 13.33
淄博Zibo 57.58 7.95 19.80 14.67 2.08
烟台Yantai 50.86 1.06 27.21 20.87 1.59
2018 泰安Taian 56.54 10.39 22.34 10.74 7.01
淄博Zibo 54.62 8.58 15.36 11.44 1.23
烟台Yantai 60.78 8.64 17.29 13.28
平均Average 58.49 7.97 19.48 14.05 1.98