CHOPRA, NISHA; CHOPRA, N K; SINHA, S N; CHAND, KHEM. Effect of weed stress on seed yield and quality of onion (Allium cepa)*. The Indian Journal of Agricultural Sciences, Delhi, India, v. 80, n. 1, 2011. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/2817. Acesso em: 27 oct. 2025.