Simultaneously reducing methane emissions and arsenic mobility by birnessite in flooded paddy soil: Overlooked key role of organic polymerisation - Weiwei Zhai; Ruihua Zhang; Xin Zhou; Yanyue Ma; Xiangbiao Zhang; Lijun Fan; Muhammad Zaffar Hashmi; Daoyong Zhang; Xiangliang Pan (Science of The Total Environment, 2024)