黄淮海平原夏玉米生长季气候资源分配与利用特征
|
|
张金鑫, 葛均筑, 李从锋, 周宝元
|
Characteristics of Climate Resources Distribution and Utilization during the Growth Period of Summer Maize in Huang-Huai-Hai Plain
|
|
Zhang Jinxin, Ge Junzhu, Li Congfeng, Zhou Baoyuan
|
|
表4 夏玉米生育期内有效积温分配
|
Table 4 Distribution of effective accumulated temperature for summer maize
|
|
年份
Year | 地点
Site | 花前Pre-flowering | | 花后Post-flowering | | 全生育期Whole growth period | | 积温量Tx (°C) | 分配率TDR (%) | | 积温量Tx (°C) | 分配率TDR (%) | | 积温量T (°C) | 有效积温比值TR | | 2017 | 宁津 | 895.5 | 55 | | 739.5 | 45 | | 1635.0 | 1.21 | | 莘县 | 880.0 | 53 | | 773.5 | 47 | | 1653.5 | 1.14 | | 内丘 | 828.5 | 55 | | 679.0 | 45 | | 1507.5 | 1.22 | | 永年 | 907.0 | 56 | | 709.5 | 44 | | 1616.5 | 1.28 | | 叶县 | 802.0 | 49 | | 826.5 | 51 | | 1628.5 | 0.97 | | 原阳 | 820.0 | 51 | | 802.5 | 49 | | 1622.5 | 1.02 | | 2018 | 宁津 | 912.0 | 54 | | 769.0 | 46 | | 1681.0 | 1.19 | | 莘县 | 883.0 | 52 | | 822.5 | 48 | | 1705.5 | 1.06 | | 内丘 | 830.5 | 52 | | 763.0 | 48 | | 1593.5 | 1.09 | | 永年 | 880.0 | 53 | | 788.5 | 47 | | 1668.5 | 1.12 | | 叶县 | 819.5 | 49 | | 857.0 | 51 | | 1676.5 | 0.98 | | 原阳 | 877.0 | 52 | | 802.5 | 48 | | 1679.5 | 1.09 | | 平均值Mean value | 861.3 | 53 | | 777.8 | 47 | | 1639.0 | 1.11 | | 变异系数CV (%) | 4.27 | 4.11 | | 6.23 | 4.56 | | 3.08 | 8.47 |
|
|
|