品种和生育时期对冠层光谱指数(NDVI)估测马铃薯植株氮素浓度的影响

杨海波,张加康,杨柳,贾禹泽,刘楠,李斐

Effect of variety and growth period on NDVI estimation of nitrogen concentration in potato plants

Hai-Bo YANG,Jia-Kang ZHANG,Liu YANG,Yu-Ze JIA, ,Fei LI

图5 品种混合时马铃薯块茎膨大期和淀粉积累期TNDVI与植株氮素浓度估测模型的构建

Fig. 5 Estimation model of TNDVI and plant nitrogen concentration under potato variety combination during tuber bulking stage and starch accumulation stage