Revelation of the mechanism by which charging of cotton leaves enhances electrospray deposition: systematic verification based on multi-physics field coupling simulation and high-speed camera observation - Xinming Wu; Miaomiao Xu; Jiang Wu; Junwei Li; Yongxu Yan; Falei He; Bin Hu; Xin Luo; Zhen Ma (Computers and Electronics in Agriculture, 2026)