全膜微垄沟播对寒旱区春小麦苗期土壤水热环境及光合作用的影响

侯慧芝, 张绪成, 方彦杰, 于显枫, 王红丽, 马一凡, 张国平, 雷康宁

Effects of micro ridge-furrow with plastic mulching on soil hydrothermal environment and photosynthesis at seedling stage of spring wheat on cold rain-fed area

Hui-Zhi HOU, Xu-Cheng ZHANG, Yan-Jie FANG, Xian-Feng YU, Hong-Li WANG, Yi-Fan MA, Guo-Ping ZHANG, Kang-Ning LEI

表1 不同处理对春小麦苗期叶片光合速率和蒸腾速率的影响

Table 1 Effects of different treatments on SPAD values, photosynthetic and transpiration rate of spring wheat leaf at seedling stage

处理 Treatment SPAD值 SPAD value 光合速率 Photosynthetic rate (μmol CO2 m-2 s-1) 蒸腾速率 Transpiration rate (mmol H2O m-2 s-1) 2016 2017 2018 2016 2017 2018 2016 2017 2018 PRF 51.3 a 53.2 a 41.3 a 23.0 a 22.1 a 20.5 a 4.7 a 4.5 a 4.7 a PMS 49.1 b 47.8 b 38.6 b 21.3 b 21.8 a 18.3 b 4.6 a 4.2 b 4.4 b CK 46.9 c 43.5 c 37.1 c 19.1 c 18.5 b 15.0 c 4.0 b 3.7 c 4.2 c