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Chemical and Biological Controls On Metal Bioavailability: I

Monday, November 2, 2009: 9:55 AM-11:00 AM
Convention Center, Room 330, Third Floor
Organizer:
Javier M. Gonzalez
9:55 AM
Introductory Remarks
10:00 AM
Effects of Soil Drying On Concentrations and Speciation of Metals and Dissolved Organic Matter in Weak Salt Extracts of Sandy Soils.
G.F. Koopmans, Alterra; J.E. Groenenberg, Alterra
Audio File
10:15 AM
Rhizosphere Microbial Activities Enhance Heavy Metal Bioavailability and Plant Uptake.
Tarah Sullivan, Cornell Univ.; Janice Thies, Cornell Univ.
Audio File Recorded presentation
10:30 AM
Speciation and Release Kinetics of Cadmium in Alkali and Acidic Paddy Soils: Application of X-Ray Absorption Spectroscopy (XAS).
Saengdao Khaokaew, Univ. of Delaware; Paul Northrup, Beamline X15B, Brookhaven National Lab.; Rufus L. Chaney, USDA-ARS; Matthew Ginder-Vogel, Dep. of Plant and Soil Sciences and the Center for Critical Zone Res.; Donald L. Sparks, Univ. of Delaware
10:45 AM
Understanding Biogeochemical Transformations of Trace Elements in Multi Metal-Rich Geomaterials Under Stimulated Redox Conditions.
Ganga Hettiarachchi, Kansas State Univ.; Ravinder Pannu, Kansas State Univ.; Gary M. Pierzynski, Kansas State Univ.; Kirk G. Scheckel, USEPA; Charles W. Rice, Kansas State Univ.
Audio File Recorded presentation
11:00 AM
Adjourn
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