化学调控和氮肥对高密度下春玉米光热水利用效率和产量的影响
刘笑鸣,顾万荣,李从锋,张立国,王明泉,龚士琛,陈喜昌,李彩凤,魏湜,李文华

Effects of Chemical Regulation and Nitrogen Fertilizer on Radiation, Heat and Water Utilization Efficiency and Yield of Spring Maize Under Dense Planting Condition
LIU XiaoMing,GU WanRong,LI CongFeng,ZHANG LiGuo,WANG MingQuan,GONG ShiChen,CHEN XiChang,LI CaiFeng,WEI Shi,LI WenHua
表1 2017年和2018年玉米生长季降雨量和平均温度
Table 1 Daily precipitation and mean temperature during the maize growing season in 2017 and 2018
月份
Month
平均温度
Average temperature (℃)
降雨量
Precipitation (mm)
日照时数
Sunshine hours (h)
平均风速
Average wind speed (m·s-1)
2017 2018 2017 2018 2017 2018 2017 2018
5月 May 16.7 16.6 51.8 12.2 261 257 4.68 3.14
6月 June 19.9 21.2 92.2 186.4 218 202 2.82 3.22
7月 July 24.7 24.9 50.2 172.1 252 159 2.62 2.95
8月 August 22.1 21.4 215.2 121.9 168 184 3.05 2.33
9月 September 15.0 15.3 37.0 76.7 200 178 2.81 2.56