黄淮海平原夏玉米生长季气候资源分配与利用特征
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张金鑫, 葛均筑, 李从锋, 周宝元
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Characteristics of Climate Resources Distribution and Utilization during the Growth Period of Summer Maize in Huang-Huai-Hai Plain
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Zhang Jinxin, Ge Junzhu, Li Congfeng, Zhou Baoyuan
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表3 2017-2018年不同试验点夏玉米产量及其构成因素
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Table 3 Yield and its components of summer maize at different sites from 2017 to 2018
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年份Year | 地点Site | 产量Yield (kg/hm2) | 穗数Ear number (×104/hm2) | 穗粒数Kernels per ear | 千粒重1000-grain weight (g) | 2017 | 宁津 | 10 896.8a | 7.5a | 491.4b | 373.0a | | 莘县 | 9997.7b | 7.4a | 509.7ab | 361.3ab | | 内丘 | 11 090.4a | 7.5a | 504.0ab | 363.3ab | | 永年 | 8322.6d | 7.4a | 518.4ab | 345.0ab | | 叶县 | 9148.6c | 7.5a | 525.0a | 333.7b | | 原阳 | 8361.5d | 7.3a | 492.0b | 330.0b | 2018 | 宁津 | 10 423.5a | 7.5a | 527.6bc | 371.0a | | 莘县 | 9843.5b | 7.4a | 428.0d | 356.0ab | | 内丘 | 9836.0b | 7.4a | 521.1bc | 327.0c | | 永年 | 10 037.5ab | 7.5a | 493.7c | 347.7b | | 叶县 | 6268.2c | 7.3a | 570.7ab | 226.7e | | 原阳 | 9381.0b | 7.5a | 608.0a | 280.7d | 变异来源Source of variation | 年份Year (Y) | ** | ns | * | ** | 地点Site (S) | ** | ns | ** | ** | Y×S | ** | ns | ** | ** |
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