JAIN, GOLDI; KUSHWAH, S S; SINGH, O P; VERMA, K S. Effect of different doses of nitrogen and sulphur on growth, yield and quality of onion (Allium cepa). The Indian Journal of Agricultural Sciences, Delhi, India, v. 84, n. 11, p. 1352–7, 2014. DOI: 10.56093/ijas.v84i11.44634. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/44634. Acesso em: 25 oct. 2025.