Ramos, J.P.F., Souza, J.T.A., Costa, R.F., Ferreira, R.R., Cavalcante, I.T.R., Leite, R.M., Santos, S.S. e Cavalcante, V.R. 2021. Morphometry, productivity and bromatological analisis of purple elephant grass according to nitrogen fertilization. Acta Scientiarum. Animal Sciences. 44, 1 (dez. 2021), e53652. DOI:https://doi.org/10.4025/actascianimsci.v44i1.53652.