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Phillip Barak Home Page



http://www.soils.wisc.edu/~barak/
-- 
Lawrence F. London, Jr. Venaura Farm ICQ#27930345
lflondon@mindspring.com  london@metalab.unc.edu
metalab.unc.edu/intergarden InterGarden
metalab.unc.edu/permaculture PermaSphere
metalab.unc.edu/intergarden/orgfarm AGINFO
Title: Phillip Barak Home Page

Phillip Barak


Barak photo (small)

Phillip Barak, Associate Professor

PhD, Soil Science, 1988, Hebrew University of Jerusalem

Department of Soil Science, University of Wisconsin-Madison
1525 Observatory Dr., Madison, WI 53706-1299

Tel: 608 263-5450
Fax: 608 265-2595
e-mail: pwbarak@facstaff.wisc.edu


Of current interest:
College press release, "Acid Linked To Soil Aging", 3 Mar 1999
EDUCAUSE/ASA Medal Award, 26 Oct 1999 and description EDUCAUSE Medal


Other webpages of interest:

Virtual Museum of Soil Science: Chime and VRML models of minerals and molecules

Plant Nutrient Management: Course Web pages

SPECIES--a spreadsheet chemical speciation model

3-D Soil Landscape Models in VRML --illustrations for a manuscript submission to SSSAJ


Research interests:

Plant nutrition and soil chemistry of plant nutrients. Ongoing projects:

  • Modelling, measurement, and prediction of agricultural liming on millimeter scale, using ion-specific microelectrodes, diffusion cells, and irreversible thermodynamics.
  • Evaluation of soil chemical changes as a result of long-term fertility management practices, such as exchangeable base cations, exchangeable acidity, and cation exchangeability, and their reversibility.
  • Effect of cultivar and soil treatments on calcium uptake by snapbeans, in order to enhance calcium uptake by humans.
  • Investigation into the interaction in the uptake of sulfur and selenium by Allium, as part of evaluating the phytopharmaceutical potential of organo-S and organo-Se compounds.
  • Evaluation of wild potato germplasm for efficiency and preference in nitrate/ammonium uptake.
  • Iron nutrition of plants--evaluation of iron chelates, their chemistry, and effectiveness in ameliorating iron deficiencies.

Recent publications:

Other publications.


Courses Taught:


Graduate Students:

  • Leslie Sherman (PhD): Completed degree, 17 Apr 1997!!
  • Kang Xia (PhD; Dr. Philip Helmke, coadvisor): Completed degree, Nov 1996!!
  • Babou Jobe (MSc): Completed degree, 18 Jan 1996!!
  • Gulden Zont (MSc): Completed degree, Aug 1997!!
  • Mauricio Avila (PhD)Completed MSc degree, May 1999!!()
  • DD Levine (MSc)
  • Jim Lyne (MSc)
kavod talmid

Last modified 2 Dec 1999 by Phillip Barak.