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dc.contributor.authorKulli Honauer, Beatrice-
dc.contributor.authorBalmer, Marianne-
dc.contributor.authorKrebs, Rolf-
dc.contributor.authorLothenbach, Barbara-
dc.contributor.authorGeiger, Gabriella-
dc.contributor.authorSchulin, Rainer-
dc.date.accessioned2018-10-12T08:47:55Z-
dc.date.available2018-10-12T08:47:55Z-
dc.date.issued1999-11-
dc.identifier.issn1537-2537de_CH
dc.identifier.issn0047-2425de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/11754-
dc.description.abstractMetal uptake and removal from the soil by plants may be a useful measure to remediate contaminated soils. These processes can be enhanced by adding metal chelators to soil. We investigated the effect of nitrilotriacetate (NTA) and urea on the uptake of Cd, Cn, and Zn by lettuce (Lactuca sativa L. cv. Orion) and Italian ryegrass (Lolium perenne L. cv. Bastion) in pot experiments. Nitric acid-extractable heavy metal concentrations in the contaminated soil were 2 mg Cd, 530 mg Cu, and 700 mg Zn kg(-1). Three NTA treatments (0.5, 1.8, and 5.3 mol m(-2)) were compared with two urea treatments (0.25 and 0.9 mol m(-2)), and a control. Nitrilotriacetate and urea increased the NaNO(3)-extraftable soil concentrations of the three metals. At the highest NTA dose, metal concentrations in the aboveground plant biomass was 4 to 24 times greater than in the control plants. While NTA increased plant metal concentrations, it reduced plant matter production. At lower doses, this effect was small. At the highest NTA dose, plant growth was almost completely inhibited. Severe visual symptoms indicated metal toxicity as the likely cause. The urea treatments generally increased the plant matter production. Total metal uptake was in general larger at the lowest or at the intermediate NTA dose than at the highest doses. Little additional total metal uptake was achieved with NTA treatments than with urea. Compared with the controls, neither NTA nor urea enhanced total uptake under the given conditons by more than threefold.de_CH
dc.language.isoende_CH
dc.publisherAmerican Society of Agronomyde_CH
dc.relation.ispartofJournal of Environmental Qualityde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectChelating-agentsde_CH
dc.subjectPlant uptakede_CH
dc.subjectContaminated soilsde_CH
dc.subjectPhytoremediationde_CH
dc.subjectAdsorptionde_CH
dc.subjectToxicityde_CH
dc.subject.ddc363: Umwelt- und Sicherheitsproblemede_CH
dc.subject.ddc577: Ökologiede_CH
dc.titleThe influence of nitrilotriacetate on heavy metal uptake of lettuce and ryegrassde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementLife Sciences und Facility Managementde_CH
zhaw.organisationalunitInstitut für Umwelt und Natürliche Ressourcen (IUNR)de_CH
dc.identifier.doi10.2134/jeq1999.00472425002800060002xde_CH
zhaw.funding.euNode_CH
zhaw.issue6de_CH
zhaw.originated.zhawNode_CH
zhaw.pages.end1705de_CH
zhaw.pages.start1699de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume28de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.webfeedBodenökologiede_CH
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Kulli Honauer, B., Balmer, M., Krebs, R., Lothenbach, B., Geiger, G., & Schulin, R. (1999). The influence of nitrilotriacetate on heavy metal uptake of lettuce and ryegrass. Journal of Environmental Quality, 28(6), 1699–1705. https://doi.org/10.2134/jeq1999.00472425002800060002x
Kulli Honauer, B. et al. (1999) ‘The influence of nitrilotriacetate on heavy metal uptake of lettuce and ryegrass’, Journal of Environmental Quality, 28(6), pp. 1699–1705. Available at: https://doi.org/10.2134/jeq1999.00472425002800060002x.
B. Kulli Honauer, M. Balmer, R. Krebs, B. Lothenbach, G. Geiger, and R. Schulin, “The influence of nitrilotriacetate on heavy metal uptake of lettuce and ryegrass,” Journal of Environmental Quality, vol. 28, no. 6, pp. 1699–1705, Nov. 1999, doi: 10.2134/jeq1999.00472425002800060002x.
KULLI HONAUER, Beatrice, Marianne BALMER, Rolf KREBS, Barbara LOTHENBACH, Gabriella GEIGER und Rainer SCHULIN, 1999. The influence of nitrilotriacetate on heavy metal uptake of lettuce and ryegrass. Journal of Environmental Quality. November 1999. Bd. 28, Nr. 6, S. 1699–1705. DOI 10.2134/jeq1999.00472425002800060002x
Kulli Honauer, Beatrice, Marianne Balmer, Rolf Krebs, Barbara Lothenbach, Gabriella Geiger, and Rainer Schulin. 1999. “The Influence of Nitrilotriacetate on Heavy Metal Uptake of Lettuce and Ryegrass.” Journal of Environmental Quality 28 (6): 1699–1705. https://doi.org/10.2134/jeq1999.00472425002800060002x.
Kulli Honauer, Beatrice, et al. “The Influence of Nitrilotriacetate on Heavy Metal Uptake of Lettuce and Ryegrass.” Journal of Environmental Quality, vol. 28, no. 6, Nov. 1999, pp. 1699–705, https://doi.org/10.2134/jeq1999.00472425002800060002x.


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