Corrêa, Juliano Corulli, Munir Mauad, and Ciro Antônio Rosolem. 2004. “Phosphorus in Soil and Soybean Growth As Affected by Phosphate Fertilization and Cover Crop Residues”. Pesquisa Agropecuaria Brasileira 39 (12):1231-37. https://doi.org/10.1590/S1678-3921.pab2004.v39.6900.