西南旱地油菜间作紫云英和秸秆覆盖的生产效应

周泉, 王龙昌, 马淑敏, 张小短, 邢毅, 张赛

Influences of Rape Intercropping with Chinese Milk Vetch and Straw Mulching on Productive Benefits in Dryland of Southwest China

Quan ZHOU, Long-Chang WANG, Shu-Min MA, Xiao-Duan ZHANG, Yi XING, Sai ZHANG

表2 间作紫云英和秸秆覆盖对油菜脂肪酸的影响(2015-2016)

Table 2 Effects of intercropping Chinese milk vetch and straw mulching on fatty acids of rape (2015-2016) (%)

脂肪酸 Fatty acid 油菜单作+ 无秸秆覆盖R 紫云英油菜间作+ 无秸秆覆盖AR 油菜单作+ 秸秆覆盖SR 紫云英油菜间作+ 秸秆覆盖SAR 低芥酸Low erucic acid 0.29±0.28 a 0.30±0.23 a 0.12±0.09 a 0.40±0.14 a 高芥酸High erucic acid 9.14±0.16 a 6.17±4.50 a 5.13±3.73 a 8.15±4.08 a 高油酸High oleic acid 62.73±0.94 a 62.02±0.14 a 61.47±1.23 a 61.51±0.66 a 花生烯酸Arachidonic acid 3.04±0.60 a 3.22±0.66 a 3.47±1.37 a 3.62±0.47 a 芥酸Erucic acid 5.18±0.52 a 4.33±1.45 a 3.14±1.84 a 5.49±2.11 a 亚麻酸Linolenic acid 9.05±0.32 a 8.56±0.28 ab 8.49±0.16 b 8.88±0.08 ab 亚油酸Linoleic acid 21.85±0.67 ab 21.29±0.62 ab 20.76±0.25 b 22.32±1.06 a 硬脂酸Stearic acid 0.57±0.11 a 0.40±0.13 b 0.36±0.11 b 0.38±0.16 b 油酸Oleic acid 55.54±1.20 a 58.23±2.83 a 59.60±2.06 a 55.38±1.84 a 棕榈酸Palmitic acid 4.66±0.09 b 4.78±0.03 ab 4.86±0.24 ab 4.90±0.08 a