滴灌玉米临界氮稀释曲线与氮素营养诊断研究

付江鹏,贺正,贾彪,刘慧芳,李振洲,刘志

Critical nitrogen dilution curve and nitrogen nutrition diagnosis of maize with drip irrigation

Jiang-Peng FU,Zheng HE,Biao JIA,Hui-Fang LIU,Zhen-Zhou LI,Zhi LIU

图6 滴灌玉米氮营养指数与相对吸氮量的关系 NNI: 氮营养指数; RNupt: 相对吸氮量。缩写同表2。

Fig. 6 Relationship between NNI and relative nitrogen uptake RNupt in drip irrigation maize NNI: nitrogen nutrition index; RNupt: relative nitrogen uptake. Abbreviations are the same as those given in Table 2.