Preparation of calcium-based phosphate adsorbent and mineral-rich humic acid fertilizer from biomass ash and bamboo by hydrothermal-pyrolysis: Performance and mechanism - Xinyue Qiu; Jiliang Zheng; Xiuling Yan; Bekchanov Davronbek; Jose Maria Garcia-Mina; Hao Zhou; Qifeng Zhao; Liyuan Chai; Zhang Lin; Lijuan Zhang; Xintai Su (Environmental Research, 2025)