Palabras claves: ECONOMY, Grass persistence, Grassland, Livestock, Manure, Yield
Autores: Álvarez C.A., Ángel Javier Aguirre-de Juana, Carlos S. Torres-Inga, Garzón Jarrin R.A., Guillermo E. Guevara-Viera, Lascano Armas P.J., Molina E.M., Raúl V. Guevara-Viera