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2 不同处理对春小麦产量构成因素的影响

Table 2 Effects of different treatments on factors of yield of spring wheat

处理 Treatment 公顷穗数 Spikes per hectare (10 thousand plant) 穗粒数 Number of spikes 千粒重 Thousand-grain weight (g) 2016 2017 2018 2016 2017 2018 2016 2017 2018 PRF 195.0 a 198.0 a 259.5 a 43 a 44 a 48 a 35.4 a 35.6 a 38.3 a PMS 183.0 b 187.5 b 256.5 a 41 a 43 a 47 a 34.6 a 35.1 a 37.8 a CK 166.5 c 178.5 c 243.0 b 37 b 38 b 40 b 32.9 b 33.9 a 36.8 a