Xu, Hongzhen, Dongyang Tian, Jiaodi Liu, Zhenhua Niu, and Qiang Li. “Operation Analysis and Parameter Optimization of Drum Type Soil-Covering Device”. International Journal of Agricultural and Biological Engineering 14, no. 3 (June 11, 2021): 123–129. Accessed January 27, 2026. https://ijabe.org/index.php/ijabe/article/view/5383.