Hongxin, L. (2015) “Study on multi-size seed-metering device for vertical plate soybean precision planter”, International Journal of Agricultural and Biological Engineering, 8(1), pp. 1–8. Available at: https://ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/925 (Accessed: 27 February 2026).