PATRA, KIRANMOY et al. Crop performance and nitrogen use-efficiency in maize under conservation agriculture coupled with sub-surface drip fertigation. The Indian Journal of Agricultural Sciences, Delhi, India, v. 91, n. 3, p. 474–479, 2025. DOI: 10.56093/ijas.v91i3.112544. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/112544. Acesso em: 28 jun. 2026.