Significant differences were found in Mehlich-3 soil extracts at the three sites for macronutrients but not for micronutrients or
trace elements (Tables 5 and 6). The levels of P, K, Ca and Mg were different among the five treatments, with the MSW3 treatment producing the highest values of most macronutrients at all three sites; in addition, often the MSW2 rate had higher values of K and Ca than the control treatment