K. Cevallos, L. Zambrano, D. Navarrete, J. Cisneros, M. Chila, and J. Burgos, “Effect of nitrogen fertilization on corn cultivation in La Carlota, Balzar canton, Ecuador”, Rev. Fac. Agron. (LUZ), vol. 43, no. 1, p. e264312, Jan. 2026.