Assessing the impact of four tillage methods on soil and water conservation in karst areas of Southwest China: Evidence from a 10-year field study - Quanzhong Sun; Ruyi Zi; Fayong Fang; Bin Yang; Minghai Hong; Yuanze Xu; Lang Peng; Li Qin; Tao Song; Jiaojiao Du; Zhongxian Liu; Zhen Han; et al. (Agriculture, Ecosystems & Environment, 2026)