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8 各因素对于光、温资源生产效率差的贡献率

Table 8 Contribution rate of each factor to the efficiency 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 光能生产效率 Production efficiency of light energy 温度生产效率 Production efficiency of temperature 2017 泰安Taian 65.73 7.83 8.08 18.36 9.51 6.17 淄博Zibo 62.95 5.25 13.71 18.10 — 4.88 烟台Yantai 56.06 6.68 14.86 22.40 5.03 — 2018 泰安Taian 69.03 3.29 11.42 16.26 — 3.47 淄博Zibo 72.27 5.49 8.79 13.46 — 4.93 烟台Yantai 70.50 6.71 7.76 15.02 0.37 — 平均Average 66.09 5.88 10.77 17.27 2.49 3.24