Xu, Qinchao, Shanjun Li, Jian Zhang, Jiating Zhu, and Haibing Pan. “Design and Test of Self-Propelled Citrus Seedling Pots Filling and Placing Machine”. International Journal of Agricultural and Biological Engineering 16, no. 1 (March 13, 2023): 104–110. Accessed December 26, 2025. https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/7817.