西南旱地油菜间作紫云英和秸秆覆盖的生产效应
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周泉, 王龙昌, 马淑敏, 张小短, 邢毅, 张赛
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Influences of Rape Intercropping with Chinese Milk Vetch and Straw Mulching on Productive Benefits in Dryland of Southwest China
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Quan ZHOU, Long-Chang WANG, Shu-Min MA, Xiao-Duan ZHANG, Yi XING, Sai ZHANG
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| 表1 间作紫云英和秸秆覆盖对油菜苗期光合特征的影响(2015-2016) |
| Table 1 Effects of intercropping Chinese milk vetch and straw mulching on photosynthetic characteristics at seedling stage (2015-2016) |
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处理
Treatment | 净光合速率
Net photosynthetic rate (Pn)
(μmol m-2 s-1) | 气孔导度
Stomatal
conductance (Gs)
(mol m-2 s-1) | 胞间CO2浓度
Intercellular CO2 concentration (Ci)
(μmol mol-1) | 蒸腾速率
Transpiration rate (Tr)
(mmol m-2 s-1) | 水分利用效率
Water use efficiency (WUE)
(mmol mol-1) | | 油菜单作+无秸秆覆盖R | 6.77±0.77 b | 0.12±0.06 b | 300.01±70.23 a | 0.58±0.24 b | 8.90±1.19 a | | 紫云英油菜间作+无秸秆覆盖AR | 7.60±0.51 ab | 0.15±0.06 ab | 326.96±29.01 a | 0.69±0.20 ab | 11.67±3.35 a | | 油菜单作+秸秆覆盖SR | 8.12±1.33 ab | 0.26±0.04 a | 376.22±18.91 a | 1.06±0.17 a | 7.89±2.54 a | | 紫云英油菜间作+秸秆覆盖SAR | 8.74±0.51 a | 0.15±0.05 ab | 332.07±32.96 a | 0.73±0.19 ab | 12.45±2.78 a |
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