Recent advances in phytoremediation of arsenic-contaminated soils - In-Situ Remediation of Arsenic-Contaminated Sites - page 70

Table 4.2. Typical greenhouse and field studies of arsenic phytoextraction by P. vittata .

Initial

Study site source of soil arsenic Growth Soil Study Frond arsenic Frond

[mg kg − 1 ] [mg kg − 1 dw] arsenic contamination conditions properties time BF biomass (dw) Reference

1.3 t ha − 1 yr − 1 USA, Chromated copper 190 Field site with loamy, siliceous; 2 years 3186-4575 29-45 Kertulis-Tartar

arsenate (CCA) subtropical climate pH 7.4-7.6 et al . (2006)

39.5 g fern − 1 Australia, Arsenic-based 393-1903 Field site with pH 4.8 5 months 775-2569 1-3 Niazi et al .

pesticides subtropical climate (2009)

15.6 g fern − 1 England, As-rich parent 8.8-3580 Pot trial in a pH 4.0-8.2 9 months 9-3150 1.2-229 Shelmerdine

Cu 12.4-3,560 mg kg − 1 (2.5 t ha − 1 yr − 1 material, mining, industrial greenhouse with day/ et al . (2009)

Cd 69 mg kg − 1 activities, agrochemical night temperatures with planting

of 25/16 ◦ C and a Pb 19-19,400 mg kg − 1 application and density of 16

Zn 57-21,000 mg kg − 1 plants m − 2 ) biosolid disposal 16 h photoperiod

25-34 g fern − 1 USA, Mining activities, 23-640 Pot culture in a pH 6.7-7.9 16 months 110-6151 4.4-47.8 Gonzaga et al .

arsenical insecticide, greenhouse (2008)

pesticide, CCA, and
natural soil with
high arsenic
USA, CCA 18 g fern − 1 98 Pot culture in a pH 7.5 5 months 6000 3.0-87.2 Tu et al . (2002)

greenhouse

BF is bioconcentration factor and is the ratio of total arsenic concentration in fronds to that in soil.