All determinations were performed in triplicate; all values reported are means with their standard error on the basis of the oven dry (105 °C) weight of soil. Excel 2007 and Origin 7.0 analysis software for windows were used for statistical tests
All determinations were performed in triplicate; all values reported are means with their standard erroron the basis of the oven dry (105 °C) weight of soil. Excel 2007 and Origin 7.0 analysis software forwindows were used for statistical tests