播/收期对冬小麦-夏玉米一年两熟模式周年 气候资源分配与利用特征的影响

周宝元,马玮,孙雪芳,高卓晗,丁在松,李从锋,赵明

Effects of Different Sowing and Harvest Dates of Winter Wheat- Summer Maize Under Double Cropping System on the Annual Climate Resource Distribution and Utilization

ZHOU BaoYuan,MA Wei,SUN XueFang,GAO ZhuoHan,DING ZaiSong,LI CongFeng,ZHAO Ming

表4 不同播/收期处理冬小麦-夏玉米一年两熟模式周年降水分配

Table 4 Distribution of precipitation between winter wheat and summer maize with different sowing/harvest dates

年份 Year 处理 Treatment 小麦 Wheat 玉米Maize 周年Annual 降水 Precipitation (mm) 分配率 Distribution rate (%) 降水 Precipitation (mm) 分配率 Distribution rate (%) 降水 Precipitation (mm) 两季比 Rate between two seasons 2015-2016 Ⅰ 179.8a 41b 263.3d 59c 443.1b 0.7a Ⅱ 168.9b 37b 285.7c 63b 454.6b 0.6b Ⅲ 181.6a 36a 320.3b 64ab 501.9a 0.6b Ⅳ 174.5ab 35c 330.9ab 65ab 505.4a 0.5c Ⅴ 175.2ab 34c 342.4a 66a 517.6a 0.5c 2016-2017 Ⅰ 192.4a 43a 253.1c 57c 445.5a 0.8a Ⅱ 168.2b 38b 278.8b 62b 447.2a 0.6b Ⅲ 157.9c 35c 288.7a 65ab 446.6a 0.5c Ⅳ 156.1c 35c 289.9a 65ab 446.3a 0.5c Ⅴ 149.6c 34c 292.9a 66a 442.5a 0.5c 年份Year (Y) 0.001 0.04 0.001 0.286 0.002 0.682 处理Treatment (T) 0.006 0.001 0.001 0.001 0. 001 0.013 Y×T 0.001 0.002 0.046 0.006 0.001 0.043