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5 各生态区冬小麦、夏玉米最佳品种参数组合、获得产量及匹配系数
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Table 5 The optimum variety parameters combination, yield and matching coefficient of winter wheat and summer maize in each ecological region
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作物Crop | 参数Parameter | 鲁东ES | 鲁中CS | 鲁西北NS | 鲁西南SS | 冬小麦 Winter wheat | 春化敏感性系数 Vern_sens | 3.5 | 4.3 | 3.1 | 4.3 | 光周期敏感性系数 Photop_sens | 3.5 | 3.9 | 3.9 | 3.9 | 产量 Yield (kg·hm-2) | 10298.38 | 9508.68 | 10344.53 | 9999.54 | 匹配系数 Matching coefficient | 0.8552 | 0.8449 | 0.8473 | 0.8162 | 夏玉米 Summer maize | 出苗至拔节期积温tt_emerg_to_endjuv (℃·d) | 200 | 200 | 200 | 255 | 开花至成熟积温 tt_flower_to_maturity (℃·d) | 1150 | 1200 | 1250 | 1100 | 产量 Yield (kg·hm-2) | 12582.62 | 11598.12 | 14279.07 | 11256.58 | 匹配系数 Matching coefficient | 0.9165 | 0.9154 | 0.8013 | 0.9637 |
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