López-Herrera, M.J., Rojas-Bourrillon, A. and Briceño-Arguedas, E. 2019. Sustitution of Megathyrsus maximus grass by square guineo and urea in silage mixtures. Agronomía Mesoamericana. 30, 1 (Jan. 2019), 179–194. DOI:https://doi.org/10.15517/am.v30i1.32478.