Filho, Moacyr Bernardino Dias, and Miguel Simão Neto. 1992. “Agronomic and Economic Efficiencies of a Partially Acidulated Rock Phosphate on <i>Brachiaria brizantha< i> Cv. Marandu in a Forest Soil in the Amazon Region”. Pesquisa Agropecuaria Brasileira 27 (3):395-401. https://doi.org/10.1590/S1678-3921.pab1992.v27.3661.