田间开放式增温对东北水稻氮素利用的影响

阮俊梅, 张俊, 刘猷红, 董文军, 孟英, 邓艾兴, 杨万深, 宋振伟, 张卫建

Effects of free air temperature increase on nitrogen utilization of rice in northeastern China

RUAN Jun-Mei, ZHANG Jun, LIU You-Hong, DONG Wen-Jun, MENG Ying, DENG Ai-Xing, YANG Wan-Shen, SONG Zhen-Wei, ZHANG Wei-Jian

表1 增温对全生育期水稻冠层和土壤日平均温度的影响

Table 1 Effects of warming on mean daily rice canopy and soil temperature during rice growing period (℃)

年份 Year 处理 Treatment 冠层温度Canopy temperature 土壤温度Soil temperature 日间 Daytime 夜间 Nighttime 全天 Diurnal 日间 Daytime 夜间 Nighttime 全天 Diurnal 2019 对照CK 23.81±0.05 b 17.69±0.05 b 20.89±0.05 b 21.14±0.15 b 18.28±0.04 b 20.23±0.06 b 增温W 25.31±0.19 a 19.96±0.10 a 22.75±0.15 a 22.26±0.05 a 20.44±0.12 a 21.63±0.07 a Δ 1.50±0.24 2.27±0.15 1.86±0.20 1.12±0.19 1.16±1.11 1.14±0.10 2020 对照CK 24.79±0.03 b 18.92±0.07 b 21.94±0.05 b 22.27±0.01 a 20.68±0.07 b 21.50±0.04 b 增温W 25.41±0.07 a 20.19±0.02 a 22.87±0.03 a 22.83±0.22 a 21.40±0.09 a 22.13±0.16 a Δ 0.61±0.07 1.26±0.07 0.93±0.06 0.56±0.23 0.72±0.14 0.64±0.19