SINGH, BALRAJ; TOMAR, B S. Vegetable seed production under protected and open field conditions in India: A review. The Indian Journal of Agricultural Sciences, Delhi, India, v. 85, n. 10, p. 1251–1259, 2015. DOI: 10.56093/ijas.v85i10.52170. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/52170. Acesso em: 24 jul. 2026.