[1]
M. B. D. Filho and M. S. Neto, “Agronomic and economic efficiencies of a partially acidulated rock phosphate on Brachiaria brizantha cv. Marandu in a forest soil in the Amazon region”, PAB, vol. 27, no. 3, pp. 395–401, Mar. 1992, doi: 10.1590/S1678-3921.pab1992.v27.3661.