Influence of different nitrogen fertilizer sources and rates on nitrogen use efficiency and N2O emissions of tropical pasture grasses - Bastidas, Mike; Villegas, Daniel Mauricio; Rao, Idupulapati M.; Ruden, Alejandro; Vivas Quila, Nelson J.; Gutiérrez Solís, Jhon Freddy; Amado, Miguel; Berdugo, Carlos; Arango, Jacobo (Bioversity International and the International Center for Tropical Agriculture, 2022)