SINGH, DILIP. Impact of scheduling nitrogen on productivity of single cross maize (Zea mays) hybrids*. The Indian Journal of Agricultural Sciences, Delhi, India, v. 80, n. 7, 2010. DOI: 10.56093/ijas.v80i7.295. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/295. Acesso em: 4 jul. 2026.