AUTHOR=Wang Jingang , Wang Haijiang , Lv Xin , Cui Jing , Shi Xiaoyan , Song Jianghui , Li Weidi , Zhang Wenxu TITLE=Estimating photosynthetic characteristics of forage rape by fusing the sensitive spectral bands to combined stresses of nitrogen and salt JOURNAL=Frontiers in Plant Science VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2025.1547832 DOI=10.3389/fpls.2025.1547832 ISSN=1664-462X