Driving factors and spatial patterns of cobalt in agricultural soils of a karst area under the combined influence of geology and agricultural activities: A case study of Zhijin County, China

• Yongxing PanGuilin University of Technology
• Xueling LiSichuan College of Architectural Technology
• Meng ChenGuilin University of Technology
• Xiaotong WangGuilin University of Technology
• Yangyang Leng