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United States Department of Agriculture

Agricultural Research Service

JAMES A. IPPOLITO

Research Soil Scientist

Education:

  • Ph.D. 2001:-- Colorado State University, Fort Collins, CO. Environmental Soil Quality/Chemistry. Dissertation Title: Phosphorus adsorption/desorption of water treatment residuals and biosolids co-application effects.
  • M.S. 1992:-- Colorado State University, Fort Collins, CO. Soil Chemistry/Fertility. Thesis Title: Determination of salinity threshold levels for selected grass and legume forage species.
  • B.S. 1989:-- University of Delaware, Newark, DE. Plant Science - Agronomy. Minor: Microbiology.

Experience:

  • 2007-present: Research Soil Scientist/Soil Chemist, USDA-ARS, Northwest Irrigation and Soils Research Laboratory, Kimberly, ID.
  • 2002-2007: Assistant Professor, Environmental Soil Quality/Chemistry, Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO.
  • 1991-2002: Research Associate, Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO.

Professional Societies and Activities:

  • American Society of Agronomy
  • Soil Science Society of America

  • Division A5 Representative to the American Society of Agronomy Board of Directors, 2011-2013.
  • Guest Associate Editor, Journal of Environmental Quality, 2010-2011.
  • Division A5 Chair, Young Scientist Award Committee, 2010.
  • Soil Science Applied Research Award Committee, 2009-2010, Soil Science Society of America.
  • Division A5 chair -- Environmental Quality, 2009, American Society of Agronomy. 
  • Division A5 chair elect -- Environmental Quality, 2008, American Society of Agronomy.
  • Graduate Student Research Poster Division A5 Symposium Contest Judge, 2009, American Society of Agronomy Meetings. Pittsburgh, PA.
  • USDA-CSREES NRI Soil Processes Panelist, 2008. 
  • Presiding Officer, A5 Oral Session, Effects of Manure and Biosolids on the Environment, 2007, American Society of Agronomy Meetings. New Orleans, LA.
  • Undergraduate Research Poster Symposium Contest Judge, 2007, American Society of Agronomy Meetings. New Orleans, LA.
  • Presiding Officer, S11 Oral Session, Phosphorus Availability and Mobility in Land Applied Wastes, 2006, American Society of Agronomy Meetings. Indianapolis, IN.
  • Undergraduate Research Poster Symposium Contest Judge, 2006, American Society of Agronomy Meetings. Indianapolis, IN.
  • Presiding Officer, A5 Oral Session, The Effects of Waste Constituents on Soil and Water, 2005 American Society of Agronomy Meetings. Salt Lake City, UT.
  • Chair Soil Science Professional Service Award committee, November 2004 through November 2005. Soil Science Society of America.
  • Soil Science Professional Service Award committee, November 2003 through November 2004. Soil Science Society of America.

Outstanding Achievements and Recognitions

  • US EPA National Clean Water Act Recognition Award for Outstanding Biosolids Research, 2005.
  • Rocky Mountain Water Environment Association State of Colorado Analytical Award of Merit, 2005.
  • First place in the EPA 2003 Clean Water Act National Recognition Awards for Biosolids Exemplary Management for Operating Projects > 5 DMTD.
  • Association of Metropolitan Sewerage Agencies National Environmental Achievement Award in Research & Technology, 2000.
  • US EPA Wastewater Management Research Excellence Award, First Place, 1999.
  • Rocky Mountain Water Environment Association - State of Colorado Biosolids Management Merit award, 1998.

Research

Expertise and Scientific Interests

  • Nitrogen and Phosphorus biogeochemical cycling.
  • Soil trace and heavy metal mobility, transformations, and fate.
  • Utilization of waste materials for beneficial reuse in agroecosystems, disturbed rangelands, mined land reclamation, burned areas.

Current Research Highlights

  • Biochar effects on soil chemistry, fertility, microbiology, crop growth, and environmental quality.
  • Biochar sorption of heavy metals: quantification and sorption mechanisms.
  • The effect of dairy lagoon waste effluent on calcareous soil copper chemistry and crop growth. 
  • Changes in soil nitrogen, phosphorus, and carbon chemistry within irrigation systems.
  • The effect of clinoptilolite (zeolite) on soil nitrogen dynamics, water holding capacity, and crop growth.
  • Phosphorus sorption by alum-based water treatment residuals.

Publications

A fully-searchable listing of publications since 2008 is on our local repository.

 

 

Updated December 2012


Last Modified: 12/4/2012
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