Inversion of Net Photosynthetic Rate in Winter Rapeseed Based on UAV Multispectral Vegetation Indices and Texture Features. - Ni, ChengYang; Zhang, HaiNa; Lu, XiangHui; Zhang, Yue; Luo, Xin; Ma, Fan; Wan, HaoLong; Feng, XiaoYing (Food & Energy Security, 2026)