Couto, Walter, Gilberto Gonçalves Leite, and Claudio Sanzonowicz. 1991. “Response of Andropogon Grass to P Fertilizers and Lime in a Dark-Red Latosol of the Cerrados”. Pesquisa Agropecuaria Brasileira 26 (3):297-304. https://doi.org/10.1590/S1678-3921.pab1991.v26.3342.