旋耕深度对西北黄土高原旱作区土壤水分特性和马铃薯产量的影响
张绪成, 马一凡, 于显枫, 侯慧芝, 王红丽, 方彦杰, 张国平, 雷康宁

Effects of tillage depth on soil hydrological characteristics and potato yield on northwest Loess Plateau
ZHANG Xu-Cheng, MA Yi-Fan, YU Xian-Feng, HOU Hui-Zhi, WANG Hong-Li, FANG Yan-Jie, ZHANG Guo-Ping, LEI Kang-Ning
表1 不同旋耕深度对马铃薯产量、耗水量和水分利用效率的影响
Table 1 Effects of different tillage depths on tuber yield, evapotranspiration, and water use efficiency of potato
年份
Year
处理
Treatment
产量
Yield (kg hm-2)
耗水量
ET (mm)
水分利用效率
WUE (kg hm-2 mm-1)
2016 TT 22,253.3 b 240.1 c 92.6 b
VRT 32,897.3 a 297.8 b 110.6 a
VRT6 33,363.0 a 371.4 a 36.0 c
2017 TT 30,388.9 c 309.0 c 98.6 b
VRT 42,833.3 a 344.0 b 124.9 a
VRT6 36,257.7 b 410.1 a 58.1 c