OM, HARI; SINGH, S P; SINGH, J K; SINGH, R N; ANSARI, M A; MEENA, R L; YADAV, BRIJESH. Productivity, nitrogen balance and economics of winter maize (Zea mays) as influenced by QPM cultivars and nitrogen levels. The Indian Journal of Agricultural Sciences, Delhi, India, v. 84, n. 2, p. 306–8, 2014. DOI: 10.56093/ijas.v84i2.38057. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/38057. Acesso em: 29 jul. 2026.