Zhao, Xiong, Ziwei Liu, Yuanwu Jia, Xingxiao Ma, Pengfei Zhang, and Jianneng Chen. “Optimization Design and Experiment of the Variable Differential Gear Train Planting Mechanism”. International Journal of Agricultural and Biological Engineering 17, no. 2 (May 21, 2024): 85–93. Accessed December 26, 2025. https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/8238.