LUGO, W. I.; LUGO, H. M.; GONZÁLEZ, A.; RAFOLS, N.; ALMODÓVAR, C. Tillage and fertilizer rate effects on yam yield (Dioscorea alata L.). The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 77, n. 3-4, p. 153–159, 1993. DOI: 10.46429/jaupr.v77i3-4.4203. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/4203. Acesso em: 19 may. 2022.