ENVIRONMENTAL SOIL MANAGEMENT RESEARCH GROUP MEMBER BIOGRAPHIES

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Dr. Tom Sims [More Info] [Recent Publications] [Fact Sheets]
  • Current Research Emphasis - Soil chemistry and soil-water management, with emphasis on the interactions between soil management practices and environmental quality. My research program has focused on the development and implementation of environmentally sound soil management programs for production agriculture and for industries and municipalities with significant waste management problems. I have worked extensively with the poultry industry and production agriculture to develop nitrogen and phosphorus management programs that maximize crop yields while minimizing the environmental impact of these nutrients on ground and surface waters. My research on soil phosphorus chemistry in coastal plain soils has focused on phosphorus leaching and loss to surface waters by subsurface runoff, emphasizing the role of oxidation-reduction reactions in controlling soil phosphorus solubility and transport. I have also conducted field and laboratory research on improved approaches for organic waste management (composting, nitrification inhibitors, pelletization), on the use of coal fly ash as a soil amendment and a component in synthetic soils, on herbicide mobility and degradation in Delaware soils, and on remediation strategies for soils contaminated with lead and arsenic.
  • Education - B.S., University of Georgia, Agronomy, 1975
    M.S., University of Georgia, Soil Fertility and Plant Nutrition, 1978
    Ph.D., Michigan State University, Soil Chemistry, 1982
  • Post-Doctoral Experience - Associate Dean for Academic Programs and Research, College of Agriculture and Natural Resources, University of Delaware, 9/2003-Present
    T.A. Baker Professor of Soil and Environmental Chemistry, Department of Plant and Soil Sciences, University of Delaware, 2002-Present
    Director, Institute of Soil and Environmental Quality, University of Delaware, 2002-Present
    Director, Delaware Water Resources Center, University of Delaware, 1997-Present
    Professor of Soil and Environmental Chemistry, Department of Plant and Soil Sciences, University of Delaware, 1993-Present
    Associate Professor of Soil Science, Department of Plant and Soil Sciences, University of Delaware, 1987-1993
    Assistant Professor of Soil Science, Department of Plant and Soil Sciences, University of Delaware, 1982-1987
    Director, University of Delaware Soil Testing Program, 1984-2000
  • Memberships/Affiliations/Awards/Achievements
    President, Soil Science Society of America (SSSA), 2003-2004
    President-Elect, SSSA, 2002-2003
    Technical Editor and Associate Editor, Journal of Environmental Quality
    Division Chair, S-11 (Soils and Environmental Quality), SSSA, 1995-1996
    President, Northeast Branch, America Society of Agronomy (NEBASA), 1991-1994
    Fellow, SSSA, 1996-Present
    Fellow, American Society of Agronomy (ASA), 1995-Present
    Environmental Quality Research Award, ASA, 2001
    Outstanding Research Award, NEBASA-SSSA, 1996
    F.D. Chester Distinguished Performance Award, College of Agricultural Sciences, 1992
    Executive Committee, SERA-IEG-17 (USDA-CSREES regional committee), Managing agricultural phosphorus for protection of the water resource


STAFF :

Maria Pautler [More Info] [Recent Publications]
  • Current Research Emphasis - 1) Comparison of short- and long-term phosphorus (P) sorption kinetics to determine how P sorption increases with time, the remaining P sorption capacity in the soil, and which short-term tests with reaction times of just hours can be used to estimate long-term P sorption that can occur over years. 2) Using alum (aluminum sulfate) to reduce soluble phosphorus (P) and increase P sorption in high P soils
  • Education - B.S., University of Delaware, Plant Science, 1985, Degree with Distinction - "Mineral Potassium Release from Coastal Plain Soils"
    M.S., University of Delaware, Plant Science/Soil Chemistry, 1987, "Chemistry and Availability of Potassium Silicates in Soils"
  • Memberships/Affiliations - Treasurer, UD Agricultural Alumni Association, since 2004  UD Ag Alumni
    Secretary/Treasurer, UD Agricultural Alumni Association, 2002-2003
    Member, UD Agricultural Alumni Association Board of Directors, 1998-2002
    Chair, Association of Women Soil Scientists, 1998-99

    Executive Committee, Association of Women Soil Scientists, 1996-2001
    Member, Association of Women Soil Scientists (AWSS), since 1990
    Member, Soil Science Society of America (SSSA), since 1985
    Member, American Society of Agronomy (ASA), since 1985
    Member, ASA Women in Agronomy Committee, 1999-2001
    Member, ASTM Committee D-18 on Soil and Rock, 1988-99
    Member, ASTM Committee E-47 on Biological Effects and Environmental Fate, 1988-99
  • Awards/Achievements - Promoted to Research Associate III and Program Coordinator of UD's Institute of Soil and Environmental Quality, 2003 
    Professional Merit Award, University of Delaware, 1998
    Who's Who in America, since 1995
    Who's Who of American Women, since 1997
    Who's Who in the East, since 1995
    Who's Who in Science and Engineering, since 1992
    Who's Who in the World, since 1993
    Potash and Phosphate Institute Fellowship Award, 1986
    University of Delaware Graduate Research Assistantship, 1985-87
    University of Delaware Tuition Scholarship, 1985-87
    American Society of Agronomy Northeastern Branch Senior Award, 1985
    American Society of Agronomy Outstanding Senior Award, 1985

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