AGARWAL, ANKUR; GUPTA, SUNIL; AHMED, Z. Effect of bulb size and planting geometry on seed yield and economics of onion (Allium cepa)*. The Indian Journal of Agricultural Sciences, Delhi, India, v. 80, n. 4, 2010. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/232. Acesso em: 27 oct. 2025.