The role of Fe- and Mn-oxides during EDTA-enhanced phytoextraction of heavy metals

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In several cases ethylenediaminetetraacetic acid (EDTA) proved to be an efficient mobilising amendment during chemically enhanced phytoextraction of heavy metals. The presence of Fe-(hydr)oxides and their dissolution after the addition of EDTA can limit the phytoextraction of the targeted heavy metals due to the high stability of the formed Fe(III)EDTA complexes. full description

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Bibliographic Details

Other Authors:
Michael Komárek, Pavel Tlustoš, 1955- , Jiřina Száková, 1963- , V. Chrastný, J. Balík
Document Type:
Articles
Published in:
Plant, Soil and Environment. -- ISSN 1214-1178. -- Roč. 53, č. 5 (2007), s. 216-224
Subjects:
Physical Description:
4 il., 1 tab.
Bibliography:
Bilbiografie na s. 223-224

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245 0 4 |a The role of Fe- and Mn-oxides during EDTA-enhanced phytoextraction of heavy metals /  |c M. Komárek ...[et al.] 
300 |b 4 il., 1 tab. 
504 |a Bilbiografie na s. 223-224 
520 3 |a In several cases ethylenediaminetetraacetic acid (EDTA) proved to be an efficient mobilising amendment during chemically enhanced phytoextraction of heavy metals. The presence of Fe-(hydr)oxides and their dissolution after the addition of EDTA can limit the phytoextraction of the targeted heavy metals due to the high stability of the formed Fe(III)EDTA complexes. This study has focused on the influence of Fe- and Mn-oxides and hydroxides dissolution on heavy metal uptake by Zea mays in a two-year EDTA-enhanced phytoextraction process. Incubation experiments and speciation modelling proved the increased concentrations of Mn and Fe through the dissolution of Mn-and Fe-(hydr)oxides. Furthermore, increased Fe and Mn accumulation was observed in maize plants after the second year of the phytoextraction process. Therefore, the presence of Mn- and especially Fe-(hydr)oxides proved to be a limiting factor during EDTA-enhanced phytoextraction of heavy metals from contaminated soils.  |9 eng 
546 |a Anglický text, anglický abstrakt 
650 0 7 |a znečištěné půdy  |2 agrovoc 
650 0 7 |a Zea mays  |2 agrovoc 
650 0 7 |a příjem živin  |2 agrovoc 
650 0 7 |a těžké kovy  |2 agrovoc 
650 0 7 |a železo  |2 agrovoc 
650 0 7 |a mangan  |2 agrovoc 
650 0 7 |a oxidy dusíku  |2 agrovoc 
650 0 7 |a extrakce  |2 agrovoc 
650 0 7 |a metody  |2 agrovoc 
650 0 9 |a POLLUTED SOIL 
650 0 9 |a ZEA MAYS 
650 0 9 |a NUTRIENT INTAKE 
650 0 9 |a HEAVY METALS 
650 0 9 |a IRON 
650 0 9 |a MANGANESE 
650 0 9 |a NITROGEN OXIDES 
650 0 9 |a EXTRACTION 
650 0 9 |a METHODS 
700 1 |a Komárek, Michael,  |u ČZU, FAPPZ, Praha-Suchdol  |4 aut 
700 1 |a Tlustoš, Pavel,  |d 1955-  |u ČZU, FAPPZ, Praha-Suchdol  |7 mzk2005269723  |4 aut 
700 1 |a Száková, Jiřina,  |d 1963-  |u ČZU, FAPPZ, Praha-Suchdol  |7 mzk2006322712  |4 aut 
700 1 |a Chrastný, V.,  |u Jihočeská univerzita, Zemědělská fakulta, České Budějovice  |4 aut 
700 1 |a Balík, J.,  |u ČZU, FAPPZ, Praha-Suchdol  |4 aut 
773 0 |t Plant, Soil and Environment  |x 1214-1178  |g Roč. 53, č. 5 (2007), s. 216-224  |q 53:5  |9 2007 
856 4 1 |u https://www.agriculturejournals.cz/publicFiles/00159.pdf/  |y Plný text  |4 N 
910 |a ABA009  |x czpb000099259 
990 |a RS 
998 |a http://aleph.nkp.cz/F/?func=direct&doc_number=001058523&local_base=ANL 

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