水氮后移条件下滴灌量对新农豆2号根系生长及产量的影响
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梁辉, 章建新, 薛丽华, 贾珂珂
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Effects of Drip Irrigation Amount on Root Growth and Yield of Xinnongdou 2 under the Condition of the Postpone of Water and Nitrogen
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Liang Hui, Zhang Jianxin, Xue Lihua, Jia Keke
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表4 滴灌量对春大豆水分利用效率的影响
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Table 4 The impact of drip irrigation amount on the water use efficiency of spring soybean
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年份
Year | 处理
Treatment | 降水量
Precipitation
(m3/hm2) | 滴灌量
Drip irrigation
amount (m3/hm2) | 贮水消耗量
Water storage consumption
(m3/hm2) | 总耗水量
Total water consumption
(m3/hm2) | WUE
(kg/m3) | | 2022 | W1 | 1780.60 | 1000 | 1045.99a | 3826.59d | 1.06c | | W2 | 1780.60 | 1400 | 791.10b | 3971.78d | 1.09c | | W3 | 1780.60 | 1800 | 626.05c | 4206.73c | 1.33a | | W4 | 1780.60 | 2200 | 476.97d | 4457.65b | 1.32a | | W5 | 1780.60 | 2600 | 474.60d | 4855.28a | 1.26b | | 2023 | W1 | 1074.70 | 1000 | 1574.59a | 3649.34e | 1.19b | | W2 | 1074.70 | 1400 | 1458.14b | 3932.89d | 1.21b | | W3 | 1074.70 | 1800 | 1393.31b | 4268.06c | 1.33a | | W4 | 1074.70 | 2200 | 1283.92c | 4558.67b | 1.36a | | W5 | 1074.70 | 2600 | 1270.45c | 4945.15a | 1.29a |
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