覆膜、沟垄作对旱作农田玉米产量和水分利用的叠加效应
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谢军红, 李玲玲, 张仁陟, 柴强
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Superimposition Effect of Film-mulching and Furrow Ridging Culture on Maize Grain Yield and WUE in Loess Plateau
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Jun-Hong XIE, Ling-Ling LI, Ren-Zhi ZHANG, Qiang CHAI
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| 表2 不同处理下玉米的耗水量(mm)与水分利用效率(kg hm-2 mm-1) |
| Table 2 Evapotranspiration (mm) and WUE (kg hm-2 mm-1) of different treatments |
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年份
Year | 处理
Treatment | 生育期降水量Precipitation in growth period (mm) | 耗水量
Water consumption
(mm) | 降水利用率
Precipitation use efficiency
(kg hm-2 mm-1) | 水分利用效率
Water use efficiency
(kg hm-2 mm-1) | | 2009 | NFM | 292.7 | 247.9 c | 0 | 0 | | HFM | 292.7 | 279.1 b | 24.1 c | 25.3 b | | CFM | 292.7 | 299.4 a | 28.7 b | 28.7 b | | CRFM | 292.7 | 301.2 a | 31.9 a | 31.0 a | | 2010 | NFM | 227.6 | 250.2 d | 0 | 0 | | HFM | 227.6 | 280.8 c | 21.7 b | 17.6 b | | CFM | 227.6 | 300.3 b | 31.5 a | 23.8 a | | CRFM | 227.6 | 323.3 a | 32.5 a | 22.9 a | | 2011 | NFM | 273.2 | 284.6 c | 4.6 c | 4.4 c | | HFM | 273.2 | 295.3 c | 21.8 b | 20.2 b | | CFM | 273.2 | 307.1 b | 23.9 b | 21.3 b | | CRFM | 273.2 | 322.6 a | 31.9 a | 27.0 a |
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