冬小麦生物量及氮积累量的植被指数动态模型研究

吴亚鹏,贺利,王洋洋,刘北城,王永华,郭天财,冯伟

Dynamic model of vegetation indices for biomass and nitrogen accumulation in winter wheat

Ya-Peng WU,Li HE,Yang-Yang WANG,Bei-Cheng LIU,Yong-Hua WANG,Tian-Cai GUO,Wei FENG

图2 与小麦氮积累量和生物量关系较好的植被指数间比较(n = 400) AGNU: 地上部氮积累量; AGDW: 地上部生物量; 其他缩写同表1。

Fig. 2 Comparison of vegetation indices with good relationships with nitrogen accumulation and biomass of wheat (n = 400) AGNU: above ground N uptake; AGDW: above ground dry weight; other abbreviations are the same as those given in Table 1.