Contamination

By Zn (mg/kg of soil)

Length of the

roots (cm)

Length of the

leaves (cm)

Dry weight

of the roots (g)

Dry weight

of the leaves (g)

Total biomass

(g)

0 (Control)

20.95 ±1.30

22.00 ± 1.40

0.1444 ± 0.0015

0.5202 ± 0.0047

0.6646 ± 0.0031

500

20.40 ± 1.20

20.83 ± 1.30

0.1293 ± 0.0009

0.5234 ± 0.0038

0.7164 ± 0.0024

1000

19.98 ± 1.30

20.66 ± 1.10

0.1425 ± 0.0012

0.5497 ± 0.0042

0.6922 ± 0.0027

2000

19.60 ± 1.10

19.77 ± 0.90

0.1618 ± 0.0018

0.6396 ± 0.0034

0.6679 ± 0.0026

3000

19.48 ± 0.90

19.73 ± 1.40

0.1445 ± 0.0026

0.5546 ± 0.0031

0.6689 ± 0.0029

4000

19.14 ± 1.10

19.65 ± 1.20

0.1295 ± 0.0023

0.4876 ± 0.0051

0.6171 ± 0.0037