Soil quality degradation induces synergistic evolution of carbon components: Microbial extracellular polymeric substances - driven mechanism - Renjie Hou; Sisi Liu; Anshuang Su; Miao Wang; Hai Wang; Sen Lin; Xin Zhao; Xu Leng; Jian Zhang; Lan Luo; Chunjiao Wang (Journal of Environmental Management, 2026)