不同降雨状况下渭北旱地春玉米临界氮稀释曲线与氮素营养诊断

刘朋召,师祖姣,宁芳,王瑞,王小利,李军

Critical nitrogen dilution curves and nitrogen nutrition diagnosis of spring maize under different precipitation patterns in Weibei dryland

Peng-Zhao LIU,Zu-Jiao SHI,Fang NING,Rui WANG,Xiao-Li WANG,Jun LI

图1 2016-2019年春玉米各生育阶段降雨量分布 VE-V3: 出苗期-三叶期; V3-V6: 三叶期-拔节期; V6-VT: 拔节期-抽雄期; VT-R3: 抽雄期-乳熟期; R3-R6: 乳熟期-完熟期。

Fig. 1 Precipitation distributions at the different growth stages from 2016 to 2019 VE-V3: from emergence stage to third leaf stage; V3-V6: from third leaf stage to jointing stage; V6-VT: from jointing stage to tasseling stage; VT-R3: from tasseling stage to milk stage; R3-R6: from milk stage to maturity stage.