Table 1 Chemical properties of the soil in Parque Jardim da Conquista, the site of litterfall material exposure. pH potential of hydrogen, P phosphorus (mg/dm³), K potassium (mg/dm³), Ca calcium (cmolc/dm³), Mg magnesium (cmolc/dm³), H+Al hydrogen + aluminum (cmolc/dm³), SB sum of bases (cmolc/dm³), SOM soil organic matter (dag/kg), V base saturation (%)

From: Ecological implications of twentieth century reforestation programs for the urban forests of São Paulo, Brazil: a study based on litterfall and nutrient cycling