KOTUR, S C; RAMESH, P R; ANJANEYULU, K; RAMACHANDRAN, V. Evaluation of cropping sequences of hybrid vegetables for N fertilizer recovery efficiency and utilization of residues using 15N-enriched urea. The Indian Journal of Agricultural Sciences, Delhi, India, v. 82, n. 9, p. 811–3, 2012. DOI: 10.56093/ijas.v82i9.23837. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/23837. Acesso em: 26 oct. 2025.