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9 不同播/收期处理冬小麦-夏玉米水分生产效率

Table 9 Production efficiency of water for winter wheat-summer maize with different sowing/harvest dates

年份 Year 处理 Treatment 小麦季Wheat 玉米季Maize 周年Annual 耗水量 Water use (mm) 水分生产效率 Water use efficiency (kg·hm-2·mm-1) 耗水量 Water use (mm) 水分生产效率 Water use efficiency (kg·hm-2mm-1) 耗水量 Water use (mm) 水分生产效率 Water use efficiency (kg·hm-2·mm-1) 2015-2016 Ⅰ 479.8a 16.9b 413.3d 22.4b 593.1b 19.6bc Ⅱ 468.9a 17.0b 435.7c 23.9a 604.6b 20.5ab Ⅲ 481.6a 14.5d 470.3bc 23.0ab 651.9a 18.7c Ⅳ 399.5b 16.1c 480.9ab 22.7b 655.4a 19.4c Ⅴ 325.2c 23.6a 492.4a 22.5b 667.6a 23.0a 2016-2017 Ⅰ 492.4a 19.0b 403.1b 22.6b 595.5a 20.8bc Ⅱ 468.2b 19.6b 428.8a 23.5ab 597.2a 21.5b Ⅲ 457.9b 16.9c 438.7a 23.6ab 596.6a 20.3c Ⅳ 381.1c 19.2b 439.9a 24.0a 596.3a 21.6b Ⅴ 299.6d 29.7a 442.9a 24.1a 592.5a 26.9a 年份Year (Y) 0.018 0.002 0.001 0.186 0.001 0.001 处理Treatment (T) 0.001 0.001 0.004 0.073 0.017 0.003 Y×T 0.007 0.006 0.069 0.226 0.001 0.012