Synthesis of eggshell-buckwheat hull biochar: Adsorption mechanisms for phosphorus, fertilizer potential, and impact on soil bacterial community - Feng Pan; Hong Wei; Yulong Huang; Wenbin Guo; Zehui Zhang; Ruijie Teng; Junqi Song; Shuaishuai Jing; Buyu Shi; Meijuan Gao (Journal of Cleaner Production, 2026)