PLANT RHIZOSPHERE EFFECTS ON METAL MOBILIZATION AND TRANSPORT

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The myriad of human activities including strategic and energy development at various DOE installations have resulted in the contamination of soils and waterways that can seriously threaten human and ecosystem health. Development of efficacious and economical remediation technologies is needed to ameliorate these immensely costly problems. Bioremediation (both plant and microbe-based) has promising potential to meet this demand but still requires advances in fundamental knowledge. For bioremediation of heavy metals, the three-way interaction of plant root, microbial community, and soil organic matter (SOM) in the rhizosphere is critically important for long-term sustainability but often underconsidered. Particularly urgent is the need ... continued below

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Fan, Teresa W.-M; Higashi, Richard M. & Crowley, David E. December 31, 2000.

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Description

The myriad of human activities including strategic and energy development at various DOE installations have resulted in the contamination of soils and waterways that can seriously threaten human and ecosystem health. Development of efficacious and economical remediation technologies is needed to ameliorate these immensely costly problems. Bioremediation (both plant and microbe-based) has promising potential to meet this demand but still requires advances in fundamental knowledge. For bioremediation of heavy metals, the three-way interaction of plant root, microbial community, and soil organic matter (SOM) in the rhizosphere is critically important for long-term sustainability but often underconsidered. Particularly urgent is the need to understand processes that lead to metal ion stabilization in soils, which is crucial to all of the goals of bioremediation: removal, stabilization, and transformation. We have developed the tools for probing the chemistry of plant rhizosphere and generated information regarding the role of root exudation and metabolism for metal mobilization and sequestration.

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  • Other Information: PBD: 31 Dec 2000

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  • Report No.: EMSP-55118--2000
  • Grant Number: FG07-93ER20255
  • DOI: 10.2172/827412 | External Link
  • Office of Scientific & Technical Information Report Number: 827412
  • Archival Resource Key: ark:/67531/metadc780138

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • December 31, 2000

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 21, 2016, 3:48 p.m.

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Fan, Teresa W.-M; Higashi, Richard M. & Crowley, David E. PLANT RHIZOSPHERE EFFECTS ON METAL MOBILIZATION AND TRANSPORT, report, December 31, 2000; United States. (digital.library.unt.edu/ark:/67531/metadc780138/: accessed October 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.