Table 2 Total content of Co in soil and plant parts in milligrams per kilogram (flax second planting season)

Sulfur

Humic acid

0.81^a

1.96^a

2.77^a

9.68^l

3.90^a

28.72^a

54.66^a

0.084^a

0.202^a

0.286^a

Sulfur

Gibberellin

0.68^b

1.73^b

2.41^b

10.73^j

2.45ⁱ

18.59ⁱ

49.74^c

0.063^b

0.161^b

0.225^b

Sulfur

Control

0.62^c

1.02^d

1.64^c

10.25^k

3.70^d

26.52^b

51.99^b

0.060^c

0.100^d

0.160^c

Compost

Humic acid

0.20^h

1.22^c

1.42^d

11.74^d

3.76^b

24.26^d

45.01ⁱ

0.017^g

0.104^c

0.121^d

Compost

Gibberellin

0.47^d

0.14^l

0.61^h

11.62^e

3.47^f

23.00^e

45.57^h

0.040^d

0.012^l

0.052^g

Compost

Control

0.17^j

0.34^h

0.51ⁱ

11.18^h

3.74^c

25.07^c

47.63^e

0.015^h

0.030^h

0.046^h

Control

Humic acid

0.45^e

0.90^e

1.35^e

11.03ⁱ

2.32^h

17.38^j

48.34^d

0.041^d

0.082^e

0.122^d

Control

Gibberellin

0.42^f

0.60^f

1.02^f

11.48^f

1.77^j

13.36^l

46.23^g

0.037^e

0.052^f

0.089^e

Control

Control

0.30^g

0.49^g

0.79^g

11.25^g

2.31^h

16.97^k

47.31^f

0.027^f

0.044^g

0.070^f

Vermiculite

Humic acid

0.16^k

0.29ⁱ

0.45^j

13.21^b

3.31^g

20.04^h

38.13^k

0.012^j

0.022ⁱ

0.034ⁱ

Vermiculite

Gibberellin

0.13^l

0.21^k

0.34^l

13.40^a

3.51^e

20.76^g

37.24^l

0.010^k

0.016^k

0.025^k

Vermiculite

Control

0.18ⁱ

0.23^j

0.41^k

13.08^c

3.73^c

22.19^f

38.74^j

0.014ⁱ

0.018^j

0.031^j

0.38

0.76

1.14

11.55

3.16

21.41

45.88

0.03

0.07

0.11

0.13

0.14

0.34

9.68

1.77

13.36

37.24

0.010

0.012

0.034

0.81

1.96

2.77

13.40

3.90

28.72

54.66

0.084

0.202

0.286