Ji, Jiangtao, Jingwei Sun, Xin Jin, Mingyong Li, and Xinwu Du. 2019. “Development of a PVDF Sensor for Potted Seedling Clamping Force of Vegetable Transplanting”. International Journal of Agricultural and Biological Engineering 12 (5):111-18. https://doi.org/10.25165/ijabe.v12i5.5094.