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Table 8 Total content of Mn in soil and plant parts in milligrams per kilogram (flax second planting season)

From: Phytoremediation of some heavy metals in contaminated soil

Treatment

Second planting season (flax)

Soil additive

Foliar spraying

Shoot

Root

Whole plant

Soil after second planting

Remediated fraction

Remediation (%)

Double season phytoremediation (%)

BCF shoot

BCF root

BCF whole plant

Sulfur

Humic acid

16.31k

58.51c

74.81f

341.61g

182.81i

33.58k

56.15e

0.048h

0.171c

0.219d

Sulfur

Gibberellin

39.11a

114.81a

153.92a

267.75l

318.96a

54.36a

65.63a

0.146a

0.429a

0.575a

Sulfur

Control

33.48b

45.88f

79.35e

367.81e

224.36f

37.89i

52.79g

0.091c

0.125e

0.216e

Compost

Humic acid

30.88d

49.17e

80.04d

315.51j

224.96f

41.62e

59.50c

0.098b

0.156d

0.254c

Compost

Gibberellin

13.63l

26.99l

40.62l

336.11h

209.96g

38.45h

56.86e

0.041i

0.080i

0.121l

Compost

Control

21.59j

30.56k

52.14k

410.91b

243.96e

37.25j

47.26j

0.053g

0.074j

0.127k

Control

Humic acid

26.71g

98.01b

124.71b

390.91c

260.31d

39.97f

49.82h

0.068f

0.251b

0.319b

Control

Gibberellin

32.82c

30.98j

63.79g

370.11d

308.95b

45.50b

52.49g

0.089d

0.084i

0.172j

Control

Control

23.38i

40.15g

63.52h

354.41f

291.76c

45.15c

54.51f

0.066f

0.113g

0.179i

Vermiculite

Humic acid

25.28h

32.49h

57.77j

312.91k

223.91f

41.71d

59.83b

0.081e

0.104h

0.185h

Vermiculite

Gibberellin

29.49e

58.33d

87.81c

435.31a

149.21j

25.53l

44.12i

0.068f

0.134f

0.202f

Vermiculite

Control

29.16f

32.22i

61.37i

322.3i

202.11h

38.54g

58.63d

0.090c

0.100h

0.190g

Mean

26.82

51.51

78.32

352.14

236.77

39.96

54.80

0.078

0.152

0.230

Minimum

13.63

26.99

40.62

267.75

149.21

25.53

44.12

0.041

0.074

0.121

Maximum

39.11

114.81

153.92

435.31

318.96

54.36

65.63

0.146

0.429

0.575

  1. Values with different letters in a column are significantly different at the 0.05 level
  2. Italics, calculated mean, minimum, and maximum