Intercropping improves soil fertility and enzyme activities in Rhus chinensis plantations - Ping Liu; Hui-Qin Zhu; Lu Qiao; Yu-Qian Wang; Zi-Xiang Yang; Chao Wang; Si-Ming Wang; Bing Bai; Yong-Qian Gao; Qing-Hua Yan; Zhen-Yuan Ruan (Agroforestry Systems, 2026)