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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/35207
Title: Towards Practical Cadmium Phytoextraction with Noccaea Caerulescens
Authors: R. W. Simmons
R. L. Chaney
J. S. Angle
M. Kruatrachue
S. Klinphoklap
R. D. Reeves
P. Bellamy
Cranfield University
USDA ARS Beltsville Agricultural Research Center
The University of Georgia
Mahidol University
Department of Agriculture
University of Melbourne
Keywords: Agricultural and Biological Sciences;Environmental Science
Issue Date: 1-Feb-2015
Citation: International Journal of Phytoremediation. Vol.17, No.2 (2015), 191-199
Abstract: © 2014, Taylor & Francis Group, LLC. A series of field trials were conducted to investigate the potential of Noccaea caerulescens F.K. Mey [syn. Thlaspi caerulescens J &C Presl. (see Koch and Al-Shehbaz 2004)] populations (genotypes) derived from southern France to phytoextract localized Cd/Zn contamination in Thailand. Soil treatments included pH variation and fertilization level and application of fungicide. N. caerulescens populations were transplanted to the field plots three months after germination and harvested in May, prior to the onset of seasonal rains. During this period growth was rapid with shoot biomass ranging from 0.93–2.2 g plant–1(280–650 kg ha–1) DW. Shoot Cd and Zn concentrations for the four populations evaluated ranged from 460–600 and 2600–2900 mg kg–1DW respectively. Cadmium and Zn Translocation Factors (shoot/root) for the populations tested ranged from 0.91–1.0 and 1.7–2.1 and Bioaccumulation Factors ranged from 12–15 and 1.2–1.3. We conclude that optimizing the use of fungicidal sprays, acidic soil pH, planting density and increasing the effective cropping period will increase rates of Cd and Zn removal enough to facilitate practical Cd phytoextraction from rice paddy soils in Thailand.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84909952373&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/35207
ISSN: 15497879
15226514
Appears in Collections:Scopus 2011-2015

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