Araujo, F.F. de 2011. <b>Solubilization of phosphorus, soil correction and corn yield after addition of phosphates and natural and composted tannery sludge</b&gt; - doi: 10.4025/actasciagron.v33i2.1021. Acta Scientiarum. Agronomy. 33, 2 (Feb. 2011), 355-360. DOI:https://doi.org/10.4025/actasciagron.v33i2.1021.