Table 1 Levels of heavy metals in soils under vegetables from contaminated and reference areas (mgkg^-1, average values ±SDV,* p < 0.05)

Root parsley R

R1

75833*±2572

12268*±1416

449*±37

70*±20

16.96*±4.15

1.63*±0.56

110.12*±12.41

Root parsley M

M1

45713*±916

1870±239

200*±23

238±31

18.04*±1.23

0.41*±0.07

20.10±2.39

Root parsley Ref

Ref1

28896±851

3886±260

97±15

19±5

9.95±0.58

0.11±0.01

15.69±2.30

Root carrot R

R2

54138*±1512

3833*±731

268*±28

42*±5

14.96*±1.90

2.19*±1.48

91.95*±10.75

Root carrot M

M2

45687*±774

1994±237

204*±20

230*±27

18.39*±1.10

0.42*±0.06

20.43±2.05

Root carrot Ref

Ref2

32492±1827

2414±678

131±19

26±16

10.34±0.89

0.17±0.04

16.13±1.58

Onion R

R3

51667*±3193

6537*±1473

367*±47

50*±9

15.13±1.90

1.85*±0.60

143.80*±7.58

Onion M

M3

44656*±801

1572±214

178±28

201*±32

18.17±1.73

0.34*±0.08

24.17*±3.62

Onion Ref

Ref3

33725±1498

2437±668

150±17

26±4

11.63±1.28

0.19±0.03

16.14±2.39

Leaf parsley R

R4

56020±1438

7021*±1107

406*±59

46*±11

15.67*±2.41

2.25*±0.79

123.32*±9.12

Leaf parsley M

M4

44046±1693

1870*±239

200*±23

238*±31

18.04*±1.23

0.41±0.07

21.77*±2.08

Leaf parsley Ref

Ref4

32302±2694

3063±493

107±19

18±4

9.27±0.79

0.12±0.01

13.76±2.60

Leaf carrot R

R5

54138*±1511

3833±731

301*±60

42*±5

14.96*±1.90

2.19*±1.48

161.95*±6.15

Leaf carrot M

M5

44046*±1693

1869±239

200*±23

238*±31

18.04*±1.23

0.41*±0.07

21.77±2.08

Leaf carrot Ref

Ref5

32492±1827

2414±678

131±19

21±3

10.34±0.89

0.17±0.04

15.46±2.05

Cabbage R

R6

53623*±2876

4336±664

349*±47

54±10

14.30±1.30

2.11*±0.81

119.19*±11.70

Cabbage M

M6

45488*±1088

1962±269

211±25

254*±32

18.73*±1.25

0.42*±0.09

23.35±2.03

Cabbage Ref

Ref6

34511±1562

2847±578

148±20

26±4

11.86±1.55

0.20±0.04

17.89±2.00

Lettuce R

R7

55173*±2047

5478*±617

367*±42

47±8

13.24±0.51

2.32*±0.60

130.97*±13.38

Lettuce M

M7

44730±1047

2077*±417

114±22

60*±1

22.79±.51

0.31±0.40

45.27±7.38

Lettuce Ref

Ref7

34270±612

344±120

171±9

31.44±5.89

13.47±2.19

0.19±0.02

20.00±2.72

Cucumber R

R8

55925*±1101

5521*±844

363±52

41±6

13.18±0.61

2.46*±0.86

126.57*±12.14

Cucumber M

M8

44046*±1693

1869±239

200±23

238*±31

18.04*±1.23

0.41*±0.07

21.77±2.08

Cucumber Ref

Ref8

31825±2067

890±112

138±13

25±4

11.47±1.30

0.18±0.02

17.69±1.73

Green Bean R

R9

51653*±3264

3774±669

307±66

38*±5

13.89±0.74

1.11*±0.38

119.69*±8.96

Green Bean M

M9

42156±1803

1572*±213

178±28

201*±32

18.17*±1.73

0.34*±0.08

19.17±1.87

Green Bean Ref

Ref9

32792±1573

3089±320

143±16

24±4

11.22±1.16

0.18±0.03

16.60±2.07