DARMORA, D P; PANDEY, K P. Performance Evaluation of Shovel Type Furrow Opener of a Seed cum Fertilizer Drill in Sandy Soils. Journal of Agricultural Engineering, India, v. 43, n. 1, 2006. Disponível em: https://epubs.icar.org.in/index.php/JAE/article/view/14439. Acesso em: 6 jun. 2026.