AUTHOR=Liu Naisen , Guo Jingyu , Liu Fuxia , Zha Xuedong , Cao Jing , Chen Yuezhen , Yan Haixia , Du Chenggong , Wang Xuqi , Li Jiping , Zhao Yongzhen TITLE=Development of a vegetation canopy reflectance sensor and its diurnal applicability under clear sky conditions JOURNAL=Frontiers in Plant Science VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2024.1512660 DOI=10.3389/fpls.2024.1512660 ISSN=1664-462X