Table 2 Chromium concentration and accumulation in Phragmites australis (Pa) and Iris pseudacorus (Ip) at the end of the experiment, as well as bioconcentration factor (BCF) and translocation factor (TF) for control, Cr500, and Cr2000 treatments.

AWP

 Pa-contr

0.88^a

0.22

4.5^a

1.1

–

 Pa-Cr500

1.04^a

0.26

3.8^a

0.9

0.01

 Pa-Cr2000

5.12^b

1.28

19^b

4.7

0.01

 Ip-contr

0.62^a

0.16

3.9^a

1.0

–

 Ip-Cr500

7.82^b

1.96

29^b

7.2

0.03

 IpCr2000

25.2^c

6.3

53^c

13.3

0.05

BWP

 Pa-contr

1.22^a

0.30

11.0^a

2.7

–

 Pa-Cr500

108^b

27

766^b

191

1.53

 Pa-Cr2000

364^c

91

2297^c

574

1.15

 Ip-contr

0.62^a

0.15

3.2^a

0.8

–

 Ip-Cr500

280^b

70

851^b

213

1.70

 IpCr2000

537^c

134

1321^b

330

0.66