Phytoextraction of Pb and Cd from a contaminated agricultural soil using different EDTA application regimes: Laboratory versus field scale measures of efficiency

Neugschwandtner, Reinhard W.; Tlustoš, Pavel; Komárek, Michael; Száková, Jiřina

doi:10.1016/j.geoderma.2007.11.021

Cited by 134 publications

(66 citation statements)

References 50 publications

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“…However, Cu, Pb, and Zn showed similar results where major portion of these metals were bound with non-mobile fractions (WSA + OM + OX + RES). Numerous studies revealed that applying synthetic chelating agents have potential to remobilize metals and to form strong soluble complexes (Chen and Cutright 2001, Lai and Chen 2005, Neugschwandtner et al 2008. Komárek et al (2008) found that the addition of 9 mmol/kg EDTA resulted in 100, 188, 121, and 61-fold increase of water-soluble Cd, Cu, Pb and Zn concentrations, respectively, compared to the control.…”

Section: Resultsmentioning

confidence: 99%

“…Phytoextraction efficiency. The phytoextraction efficiency of plants relies on the concentration of heavy metals accumulated in the dry biomass of shoots and the biomass yield of the plants (Neugschwandtner et al 2008, Sun et al 2009). The remediation factor (RF) is defined as the ratio of an element accumulation in shoots to that in soil, which is calculated as follows:…”

Section: Resultsmentioning

confidence: 99%

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Induced-phytoextraction of heavy metals from contaminated soil irrigated by industrial wastewater with Marvel of Peru (Mirabilis jalapa L.)

Sun¹,

Zhou²,

Yue³

et al. 2011

PLANT SOIL ENVIRON

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The primary objective of this study was to evaluate the effect of ethylene diamine tetraacetic acid (EDTA) and citric acid (CA) on Mirabilis jalapa L. growth and phytoextraction of heavy metals from the multi-metal contaminated soil. The results showed that the application of CA (5 and 8 mmol/kg) and EDTA (5 mmol/kg) increased plant growth, while when the concentration of EDTA was up to 8 mmol/kg, the shoot biomass significantly decreased relative to the control plants (P < 0.05); it suffered 48.1%, 53.1%, 58.9%, and 78.2% reduction, respectively, compared to CK, CA-5, CA-8, and EDTA-5. EDTA was more effective than CA at increasing heavy metal uptake in aerial parts of the plants, the shoot concentrations of Cd, Cu, Pb, and Zn increased by 0.55, 3.08, 3.28, and 1.0-fold in the 8 mmol/kg EDTA-treated soils relative to the treatment of 8 mmol/kg CA. The maximum of Cd, Cu, and Pb phytoextraction and remediation factor (RF) were found with 5 mmol/kg EDTA treatment. For Zn, 8 mmol/kg EDTA was most efficient in increasing Zn accumulation in aboveground of M. jalapa.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Induced-phytoextraction of heavy metals from contaminated soil irrigated by industrial wastewater with Marvel of Peru (Mirabilis jalapa L.)

Sun¹,

Zhou²,

Yue³

et al. 2011

PLANT SOIL ENVIRON

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show abstract

“…Open Access Kreutzer, 1995;Gray et al, 1999;Angelova et al, 2004;Marchiol et al, 2007;Neugschwandtner et al, 2008;Fässler, et al, 2010;Srivastava et al, 2014;Vamerali et al, 2014 (Santillian-Medrano and Jurinak, 1975;Street et al, 1977;Pierzynski and Schwab, 1993;Naidu et al, 1994;Mandjiny et al, 1998;Boisson et al, 1999;McGowen et al, 2001;Seamon et al, 2001;Bolan et al, 2003;Hong et al, 2008Hong et al, , 2010Hong et al, , 2014. …”

Section: Research Articlementioning

confidence: 99%

Effect of Phosphate Application on Cadmium Extractability and its Uptake by Rice Cultivated in Contaminated Paddy Soil

Lee¹,

Kim²,

Lee³

et al. 2016

Korean Journal of Environmental Agriculture

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“…따라서 현재 많은 연구자 들이 이러한 단점을 보완하여 현장 적용 가능한 공법으로 연구 개발하고 있다 (Angelova et al, 2004;Bjelkova et al, 2011;Fa¨ssler et al, 2010;Marchiol et al, 2007;Neugschwandtner et al, 2008;Srivastava et al, 2014;Vamerali et al, 2014). (Table 3).…”

Section: Chelating Agentunclassified

Contrast Effect of Citric Acid and Ethylenediaminetetraacetic Acid on Cadmium Extractability in Arable Soil

Lee¹,

Hong²

2015

Korean Journal of Soil Science and Fertilizer

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Chelating agents have been proposed to improve the efficiency of phytoextraction of heavy metal hyperaccumulator. However, little studies to elucidate mechanism of chelating agents to increase cadmium (Cd) extractability have been conducted. The objectives of this study were to evaluate effect of different chelating agents on Cd extractability and to determine mechanism of Cd mobilization affected by these agents. An arable soil was spiked with inorganic Cd (CdCl 2 ) to give a total Cd concentration of 20 mg Cd kg -1 . Ethylenediaminetetraacetic acid (EDTA) and citric acid (CA) were selected and mixed with the arable soil at the rates of 0 and 5 mmol kg . The mixture soils were incubated at 25°C for 4 weeks in dark condition. Concentration of F1 Cd fractions (water soluble) significantly increased with addition of EDTA but did not changed with addition of CA. Especially; concentration of F5 Cd fractions (residual) significantly increased with addition of CA. Increase in water soluble with EDTA might be attributed to complexation of Cd and EDTA. Dissolved organic carbon concentration significantly increased with EDTA addition, but did not with CA implying that considerable amount of CA was decomposed to inorganic carbon by microorganism. Log activity of carbonate (CO 3 2-) which might be generated from CA increased with addition of CA. Increase in residual Cd fraction might be due to precipitation of Cd as CdCO 3 . As a result, EDTA was effective in increasing Cd extractability, by contrast CA had significant effect in reducing Cd extractability.

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Phytoextraction of Pb and Cd from a contaminated agricultural soil using different EDTA application regimes: Laboratory versus field scale measures of efficiency

Cited by 134 publications

References 50 publications

Induced-phytoextraction of heavy metals from contaminated soil irrigated by industrial wastewater with Marvel of Peru (Mirabilis jalapa L.)

Induced-phytoextraction of heavy metals from contaminated soil irrigated by industrial wastewater with Marvel of Peru (Mirabilis jalapa L.)

Effect of Phosphate Application on Cadmium Extractability and its Uptake by Rice Cultivated in Contaminated Paddy Soil

Contrast Effect of Citric Acid and Ethylenediaminetetraacetic Acid on Cadmium Extractability in Arable Soil

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