The application of treated and stabilized sewage sludge to soils has been shown to be a viable disposal alternative, since costs are low and cause no negative impacts, but contribute to the restoration of the original characteristics of some degraded soils. This experiment was carried out in Mogi Guaçu, State of São Paulo (Brazil) to evaluate the effect of doses (0, 20, 40, and 80 Mg ha-1) of an organic compost of sewage sludge and grass residues on the recovery […]

The high organic matter content in sewage sludge is one of the reasons for its utilization as soil amendment. This study aimed to evaluate the effect of consecutive sewage sludge applications on the amounts of carbon, total and mineral nitrogen, pH, and bulk density in a Latossol. Two soil layers (0-0,1 and 0,2-0,4 m) were evaluated after three corn cultivations in Jaguariúna (São Paulo State, Brazil), between 1999 and 2001. The treatments consisted of three consecutive applications of two sewage […]