Four Decades of Straw and Manure Application Differentially Alter DOM Composition and Transport Risk in a Vertisol - Xin Yang; Yanfeng Zhang; Min Xia; Peixuan Wang; Zhibin Guo; Lin Jin; Linchuan Zhan; Daozhong Wang; Keke Hua (Water, Air, & Soil Pollution, 2026)