A double-layer model for improving the estimation of wheat canopy nitrogen content from unmanned aerial vehicle multispectral imagery
LIAO Zhen-qi, DAI Yu-long, WANG Han, Quirine M. KETTERINGS, LU Jun-sheng, ZHANG Fu-cang, LI Zhi-jun, FAN Jun-liang
Journal of Integrative Agriculture . 2023, (7): 2248 -2270 .  DOI: 10.1016/j.jia.2023.02.022