黄淮海夏玉米籽粒脱水与气象因子的关系
高尚,明博,李璐璐,谢瑞芝,薛军,侯鹏,王克如,李少昆

Relationship between Grain Dehydration and Meteorological Factors in the Yellow-Huai-Hai Rivers Summer Maize
Shang GAO,Bo MING,Lu-Lu LI,Rui-Zhi XIE,Jun XUE,Peng HOU,Ke-Ru WANG,Shao-Kun LI
表1 2015-2017年新乡试验点基本气象资料
Table 1 Basic meteorological data of Xinxiang from 2015 to 2017
项目 Item 2015 2016 2017
平均温度Average temperature (℃) 15.593 15.904 16.180
最高温度 Maximum temperature (℃) 20.621 21.000 21.526
最低温度 Minimum temperature (℃) 11.332 11.677 11.604
日生长度 Average growing degree days 8.103 8.495 8.617
气温日较差 Diurnal temperature range (℃) 9.289 9.323 9.922
日降水量 Daily precipitation (mm) 1.541 2.717 1.099
风速 Wind speed (m s-1) 2.049 1.999 2.079
最大风速 Maximum wind speed (m s-1) 4.735 4.622 4.689
相对湿度 Relative humidity (%) 61.071 60.232 59.800
日照时数 Sunshine hours (h) 5.275 5.572 6.104
无霜期天数 Frostless season days (d) 256 254 260
无霜期起始日期 Start date of frostless season 2015/3/11 2016/3/12 2017/3/3
无霜期结束日期 End date of frostless season 2015/11/22 2016/11/21 2017/11/18
大于0℃积温 Over 0℃ accumulated temperature (℃) 5710.8 5868.2 5911.7
大于10℃积温 Over 10℃ accumulated temperature (℃) 2786.3 2913.6 2958.9
总生长度 Total growing degree days 2957.5 3109.3 3145.05
累积降水量 Cumulative precipitation (mm) 562.4 994.3 401.1
累积日照时数Cumulative sunshine hours (h) 1925.5 2039.5 2228