Page 160 - Plant-Based Remediation Processes

8 A Multi-disciplinary Challenge for Phytoremediation of Metal-Polluted.. . 151

0.05) a a a a A a a a a A a a b a A a ab b ab A

Removals (b) HM) 9.1 1.6 7.9 7.7 1.3
P (9 175 243 93 327 210 156 180 90 334 190 12 18 12 11 10
test,
(Newman-Keuls HM (a) 9 kg 1 ) (mmol a 1.9 a 3.4 a 2.7 a 1.8 A 2.5 b 0.94 a 3.0 ab 1.7 b 1.2 B 1.7 b 1.2 b 1.4 a 2.1 b 1.1 A 1.5 b 1.3 a 2.0 a 2.2 ab 1.8 A 1.8 metal each

systems kg 1 ) a a a a A b a b b B b b a b B b a a ab A within effect)

tillage Zn (mg 89 160 119 75 111 34 126 64 48 68 62 77 106 57 75 65 103 116 94 94 (main

two c a a b A b a ab ab A
under Pb kg 1 ) (mg 0.48 1.7 2.2 1.1 1.4 0.13 2.3 1.42 0.58 1.1 tillages

species – – – – – – – – between

of kg 1 ) b a a ab A a a a a A bc c a ab A b b a a A
twigs Cu (mg 14 30 30 25 25 11 37 23 18 22 4.9 4.0 9.1 7.6 6.4 4.4 4.3 6.6 7.5 5.7 differences

tree
and kg 1 ) c ab a bc A a a a a A a a a a A a a a a A letters:
shoots Co (mg 0.19 0.41 0.52 0.29 0.35 0.05 0.58 0.37 0.21 0.30 0.07 0.02 0.15 0.09 0.08 0.09 0.09 0.21 0.14 0.13 Capital

crop
in kg 1 ) a a a a A b a ab ab A a a a a A b a b b A tillage.
removals Cd (mg 0.42 0.42 0.45 0.55 0.46 0.15 0.58 0.33 0.27 0.33 0.41 1.2 1.2 0.52 0.82 0.51 1.6 1.1 0.77 1.0 same Zn +

and c b a b A a a a A within Pb + trees
3) kg 1 ) Ni
¼ species + for
(n As (mg 0.15 3.9 6.9 3.3 3.6 n.d. 5.4 4.2 3 3.2 – – – – – – – Mn + plant
concentrations ryegrass radish ryegrass radish poplar poplar aspen willow poplar poplar aspen willow among Cu + Cr per mg and

Metal Species Sunflower Italian Alfa-alfa Fodder MEAN Sunflower Italian Alfa-alfa Fodder MEAN White Black European White MEAN White Black European White MEAN differences + Co + crops

8.2 letters: Cd + for
Table Treatment Crops Ploughing Ripping Trees Ploughing Ripping Small (a) As (b) gha 1