冬小麦-夏玉米周年农田资源高效利用限制因素分析
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刘肖瑜,张豆豆,焦进宇,陈国庆,李勇
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Analysis on Limiting Factors of Efficient Utilization of Winter Wheat and Summer Maize Farmland Resources
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LIU XiaoYu,ZHANG DouDou,JIAO JinYu,CHEN GuoQing,LI Yong
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表3 各生态区冬小麦、夏玉米适宜生育期内GDD、产量、光温生产潜力及匹配系数
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Table 3 GDD, yield and light-temperature potential productivity and matching coefficient of winter wheat and summer maize in suitable growth period in each ecological region
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| 生态区
Ecological region | 适宜生育期内有效积温
GDD
(℃·d) | 适宜生育期获得产量
Available yield
(kg·hm-2) | 光温生产潜力
Light-temperature potential productivity (kg·hm-2) | 匹配系数
Matching coefficient | 冬小麦季
Wheat season | 鲁东ES | 2289.22 | 9845.51 | 11172.61 | 0.8812 | | 鲁中CS | 2377.91 | 8369.21 | 11792.80 | 0.7097 | | 鲁西北NS | 2191.03 | 9692.29 | 11310.78 | 0.8569 | | 鲁西南SS | 2239.41 | 8419.19 | 11375.36 | 0.7401 | 夏玉米季
Maize season | 鲁东ES | 2697.94 | 11531.90 | 21039.04 | 0.5481 | | 鲁中CS | 2740.21 | 10616.70 | 18997.41 | 0.5589 | | 鲁西北NS | 2802.96 | 11441.68 | 20836.07 | 0.5491 | | 鲁西南SS | 2724.02 | 10848.45 | 19031.06 | 0.5701 |
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