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 |
|
|
|