Development of a vegetation canopy reflectance sensor and its diurnal applicability under clear sky conditions - Liu, Naisen; Guo, Jingyu; Liu, Fuxia; Zha, Xuedong; Cao, Jing; Chen, Yuezhen; Yan, Haixia; Du, Chenggong; Wang, Xuqi; Li, Jiping; Zhao, Yongzhen (Frontiers in Plant Science, 2025)