春季灌水对晋南晚播冬小麦产量和水分利用的影响
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杨娜, 席吉龙, 王珂, 席天元, 张建诚, 姚景珍, 王健
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Effects of Spring Irrigation on Yield and Water Utilization of Late-Sowing Winter Wheat in Southern Shanxi
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Yang Na, Xi Jilong, Wang Ke, Xi Tianyuan, Zhang Jiancheng, Yao Jingzhen, Wang Jian
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表2 不同晚播灌水处理下冬小麦群体动态
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Table 2 Population dynamics of different late sowing irrigation treatments of winter wheat
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处理
Treatment | 基本苗
Basic seedling (×104/hm2) | | 最高总茎数
Maximum total tillers (×104/hm2) | | 穗数
Spike number (×104/hm2) | | 成穗率
Earbearing tiller rate (%) | | 2018-2019 | 2019-2020 | | 2018-2019 | 2019-2020 | | 2018-2019 | 2019-2020 | | 2018-2019 | 2019-2020 | | CK | 272.1±2.8b | 285.2±30.4b | | 1604.8±48.1a | 1815.9±12.7ab | | 552.3±63.8b | 505.3±15.0a | | 34.41 | 27.82 | | W1 | 434.2±22.6a | 423.2±5.2a | | 1044.5±56.6d | 1705.8±26.9bc | | 423.6±19.2c | 423.2±7.0b | | 29.65 | 24.81 | | W2 | 430.2±4.2a | 434.9±33.4a | | 1428.7±56.6b | 1723.8±24.1bc | | 532.2±7.6b | 458.2±6.0b | | 42.09 | 26.58 | | W3 | 416.2±21.2a | 430.2±12.2a | | 1264.6±22.6c | 1677.9±38.2c | | 541.6±7.1b | 493.2±41.0ab | | 39.93 | 29.39 | | W4 | 422.2±8.5a | 428.2±13.9a | | 1356.6±17.0b | 1847.9±58.0a | | 611.6±15.1a | 495.2±35.0a | | 48.84 | 26.80 | | W5 | 420.2±19.8a | 422.2±33.3a | | 1252.5±17.0c | 1687.8±89.1c | | 593.6±21.7a | 503.3±43.0a | | 44.41 | 29.82 |
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