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6 不同收获期处理夏玉米产量及产量构成
Table 6 Yield and yield components of summer maize with different harvest dates
年份Year 处理
Treatment
品种
Variety
产量
Grain yield
(kg·hm-2)
穗数
Ears number
(×104/hm2)
穗粒数
Grain number per ear
千粒重
Thousand kernel weight (g)
籽粒含水量
Water content
(%)
2016 Ⅰ XY335 9524.5d 6.2a 478.1ab 321.3d 38.8a
ZD958 8979.6e 6.3a 463.9b 315.4d 39.7a
Ⅱ XY335 10340.4bc 6.4a 481.6ab 343.9bc 30.7c
ZD958 9879.8cd 6.3a 475.9ab 338.7c 32.7b
Ⅲ XY335 10901.2a 6.3a 479.6ab 365.7a 22.9e
ZD958 10738.8ab 6.3a 475.1ab 356.0abc 25.5d
Ⅳ XY335 11058.6a 6.4a 483.6ab 366.3a 18.5g
ZD958 10759.3ab 6.3a 479.9ab 359.4ab 21.4f
Ⅴ XY335 11188.1a 6.3a 486.8a 363.9a 14.9i
ZD958 10922.9a 6.4a 481.3ab 356.5ab 17.3h
2017 Ⅰ XY335 9089.4e 6.5a 422.1b 329.9c 38.9a
ZD958 9202.9e 6.6a 439.2ab 320.7c 40.0a
Ⅱ XY335 9718.8d 6.5a 429.0ab 352.3b 31.8c
ZD958 9924.2cd 6.5a 436.6ab 359.5b 33.4b
Ⅲ XY335 10413.1bc 6.6a 425.6b 372.5ab 23.7e
ZD958 10536.9ab 6.6a 440.8ab 370.1ab 26.1d
Ⅳ XY335 10617.5ab 6.5a 428.1ab 376.8a 18.9g
ZD958 10926.9a 6.5a 448.5a 373.5ab 21.4f
Ⅴ XY335 10490.2ab 6.6a 431.6ab 374.2ab 14.4i
ZD958 10746.5ab 6.4a 442.2ab 377.2a 16.5h