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6 品种混合时马铃薯组合生育时期TNDVI与植株氮素浓度估测模型的构建

Fig. 6 Estimation model of TNDVI and plant nitrogen concentration under potato variety combination during combined growth stage