Shear Characteristics of Root-Soil Interface of Caragana Korshinskii in Loess Area of Northeastern Qinghai-Tibet Plateau Journal title: Bulletin of Soil and Water Conservation Authors: Chuan Shi, Yabin Liu, Haili Zhu, Shen Liang, Lifu Xue, Shu Wang, Xiasong Hu, Guorong Li Subject(s): Environmental Sciences, Agricultural Science, Soil Sciences