华北冬小麦开花期补灌的增产效应及其影响因素

张经廷,吕丽华,董志强,张丽华,姚艳荣,申海平,姚海坡,贾秀领

Yield-increasing effect of supplementary irrigation at winter wheat flowering and its influencing factors based on water and nitrogen coupling in north China

Jing-Ting ZHANG,Li-Hua LYU,Zhi-Qiang DONG,Li-Hua ZHANG,Yan-Rong YAO,Hai-Ping SHEN,Hai-Po YAO,Xiu-Ling JIA

图9 1986-2018年石家庄藁城区(市)冬小麦拔节-开花期间有效降水量 数据来自石家庄气象局和试验站内田间气象站。

Fig. 9 Effective precipitation from jointing to flowering of winter wheat in Gaocheng district, Shijiazhuang, Hebei province during 1986-2018 (mm) Data were collected from the Shijiahuang Meteorological Bureau and the weather station installed in the experimental field.