不同降水状况下旱地玉米生长与产量对施氮量的响应
宁芳,张元红,温鹏飞,王瑞,王倩,董朝阳,贾广灿,李军

Responses of maize growth and yield to nitrogen application in dryland under different precipitation conditions
Fang NING,Yuan-Hong ZHANG,Peng-Fei WEN,Rui WANG,Qian WANG,Zhao-Yang DONG,Guang-Can JIA,Jun LI
表2 春玉米各生育时期测定时间(月/日)
Table 2 Determination time at each growth period of spring maize (month/day)
年份
Year
播种
Sowing
幼苗
Seedling
拔节
Jointing
抽雄
Tasseling
灌浆
Filling
成熟
Maturity
2016 4/26 6/1 6/27 7/25 8/25 9/17
2017 4/26 5/25 6/26 7/13 8/14 9/22
2018 4/26 5/26 6/28 7/17 8/17 9/10