Table 3 Shoot dry weight (DW), Cd and selected nutrient tissue concentrations (DW) of lettuce grown on spiked soils under different stabilization treatments

8.69 (0.25)a^b

5.63 (0.40)b

1.83 (0.14)f

2.05 (0.08)f

3.48 (0.19)d

3.68 (0.05)d

2.79 (0.12)e

4.42 (0.24)c

0.369

5.50 (0.41)f

4.65 (0.15)f

9.40 (0.72)e

15.6 (0.96)c

14.2 (1.32)d

22.7 (0.95)b

16.4 (0.40)c

32.2 (0.77)a

1.37

8.15 (0.39)a

7.38 (0.30)b

6.80 (0.29)c

5.48 (0.21)d

4.21 (0.05)e

4.10 (0.17)e

4.37 (0.20)e

5.35 (0.18)d

0.422

13.4 (1.18)f

14.8 (0.38)ef

20.4 (0.77)c

16.2 (1.44)d

15.9 (0.21)de

24.0 (0.63)a

22.4 (0.70)b

19.7 (0.74)c

1.457

59.6 (1.21)cd

63.1 (1.50)b

61.3 (0.88)bc

68.4 (1.64)a

59.1 (0.98)cd

58.7 (1.97)d

58.0 (2.04)d

51.6 (1.11)e

2.555

6.83 (0.30)ab

6.31 (0.35)b

7.29 (0.47)a

5.32 (0.14)c

4.58 (0.15)d

6.64 (0.38)b

7.24 (0.31)a

4.87 (0.18)cd

0.532

215 (11.7)c

298 (15.9)b

505 (5.21)a

192 (11.1)d

174 (10.2)e

61.4 (4.14)f

51.6 (5.15)f

58.4 (0.76)f

16.1

5.67 (0.26)a

2.41 (0.04)b

1.36 (0.05)e

1.58 (0.09)d

1.81 (0.02)c

0.98 (0.04)f

0.87 (0.03)f

0.95 (0.03)f

0.178

14.4 (0.66)e

20.1 (1.88)d

21.0 (0.09)d

22.1 (1.73)cd

43.4 (2.13)b

44.6 (3.52)b

24.1 (0.35)c

125 (0.33)a

3.011

5.90 (0.17)b

6.22 (0.26)a

4.56 (0.07)c

3.48 (0.08)d

2.42 (0.15)e

1.98 (0.08)f

1.29 (0.05)g

1.80 (0.03)f

0.227

7.10 (0.28)f

3.56 (0.35)g

8.59 (0.94)e

7.73 (0.37)ef

12.1 (0.15)d

38.8 (1.14)a

27.7 (0.48)d

16.7 (0.71)c

1.109

38.1 (0.74)c

59.6 (1.02)b

40.0 (0.76)c

62.8 (2.20)a

35.1 (1.58)d

28.8 (0.64)e

28.8 (1.21)e

30.6 (0.81)e

2.125

7.75 (0.37)b

5.32 (0.36)d

6.00 (0.26)c

3.47 (0.28)f

4.23 (0.28)e

7.25 (0.10)b

13.5 (0.61)a

7.45 (0.17)b

0.579

50.7 (2.26)c

54.8 (1.73)c

60.4 (2.61)c

95.7 (6.33)b

175 (0.24)a

30.5 (2.58)d

28.0 (1.43)d

53.7 (2.41)c

19.99