Nascimento, Agenor do, and George A.B. Hall. 2014. “Comparative Studies of <i>Eragrostis plana< I> (Annonigrass) and Lowland Native Pasture in the Area of Santa Maria, Rio Grande Do Sul, Brazil. I. Chemical Characterization”. Pesquisa Agropecuaria Brasileira 13 (2):7-14. https://doi.org/10.1590/S1678-3921.pab1978.v13.16756.