Effects of Intercropping Duration On Soil Ecosystem under Phoebe zhennan in Pinus massoniana Plantations in Yongchuan, Chongqing - Ximeng Yang; Min Lu; Feiyi Huang; Huadong Luo; Yuansong Guo; Jianping Luo; Chenggong Lei; Xueping Hu; Hengxing Zhu; Benwen Chen; Qianli Dai (Plant and Soil, 2026)