Xu, Qinchao, Shanjun Li, Jian Zhang, Jiating Zhu, and Haibing Pan. 2023. “Design and Test of Self-Propelled Citrus Seedling Pots Filling and Placing Machine”. International Journal of Agricultural and Biological Engineering 16 (1):104-10. https://doi.org/10.25165/ijabe.v16i1.7817.