Table 2: Descriptive statistics for soil physical and chemical properties and metal concentrations.

VariablesMinMaxMeanStandard deviationSkewnessKurtosis

Soil properties
Moisture content (%)8.2975.2124.5913.21.43.1
BD (g/cm3)0.791.791.250.20.2−0.07
pH3.607.604.890.81.32.2
CEC (meq/100 g)1.5216.584.833.51.82.9
TOC (%)3.2031.468.614.72.610.6
Sand (%)87.6598.8394.500.03−0.5−0.8
Silt (%)0.8210.734.340.030.6−0.8
Clay (%)0.002.601.140.010.3−0.2

Metal concentration
Zn (mg/kg)11.801354.16302.52402.71.71.6
Cu (mg/kg)1.1464.6713.9613.22.35.9
Mn (mg/kg)6.292574.93344.49652.22.44.9
Pb (mg/kg)33.432271.43326.69529.62.76.4
Cd (mg/kg)7.1440.0011.865.13.617.8

BD, bulk density; CEC, cation exchange capacity; TOC, total organic carbon.