Analysis of the spatiotemporal evolution and determinants of cultivated land quality under a hybrid-driven framework integrating multiple machine learning and geostatistical approaches - Meiling Sheng; Zhaohan Lou; Mingtao Xiang; Rui Xiao; Zhouqiao Ren; Xiaonan Lv; Xufeng Fei (Stochastic Environmental Research and Risk Assessment, 2026)