BARAKAUSKIENZI, Z.; DRIS, R.; OLADELE, O. Effects of row spacing and seed rate on onion quality and set yield. Nigerian Journal of Horticultural Science, [S. l.], v. 7, n. 1, p. 22–25, 2002. DOI: 10.4314/njhs.v7i1.3331. Disponível em: https://www.ajol.info/index.php/njhs/article/view/3331. Acesso em: 23 oct. 2026.