Table 1 Dynamics of physicochemical properties and heavy metal content of agricultural soil (SL1) and mercury-inundated agricultural soil (SL3)

Physicochemical parameters

 pH

6.99 ± 0.31

5.96 ± 0.25

 Moisture (%)

6.83 ± 0.01

3.14 ± 0.01

 Total organic matter (%)

75.62 ± 0.63

43.38 ± 0.58

 Total nitrogen (%)

58.49 ± 1.43

17.63 ± 0.80

 Phosphorus (mg/kg)

30.49 ± 1.54

9.53 ± 1.35

 Potassium (mg/kg)

19.75 ± 0.004

4.03 ± 0.001

Heavy metal content

 Mercury (mg/kg)

ND

52.5 ± 0.003

 Lead (mg/kg)

0.05 ± 0.001

ND

 Chromium (mg/kg)

5.50 ± 0.003

1.6 ± 0.004

 Cadmium (mg/kg)

0.21 ± 0.002

0.035 ± 0.002

 Zinc (mg/kg)

16.49 ± 0.003

3.28 ± 0.004

 Iron (mg/kg)

13.45 ± 0.003

2.52 ± 0.004

 Copper (mg/kg)

13.04 ± 0.004

2.74 ± 0.005

 Selenium (mg/kg)

0.008 ± 0.001

ND