夏玉米产量与光温生产效率差异分析——以山东省为例
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王洪章,刘鹏,董树亭,张吉旺,赵斌,任佰朝
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Analysis of Gap Between Yield and Radiation Production Efficiency and Temperature Production Efficiency in Summer Maize: Taking Shandong Province as an Example
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WANG HongZhang,LIU Peng,DONG ShuTing,ZHANG JiWang,ZHAO Bin,REN BaiZhao
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表7 各因素对于产量差的贡献率
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Table 7 Contribution rate of each factor to the yield gap
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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 |
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