[1]
Lugo, W.I., Lugo, H.M., González, A., Rafols, N. and Almodóvar, C. 1993. Tillage and fertilizer rate effects on yam yield (Dioscorea alata L.). The Journal of Agriculture of the University of Puerto Rico. 77, 3-4 (Oct. 1993), 153–159. DOI:https://doi.org/10.46429/jaupr.v77i3-4.4203.