Jason De Koff

Jason P. de Koff
Extension Assistant Professor
Assistant Program Leader - Cooperative Extension Program
Focus Group Leader - Environmental Sciences
Department of Agricultural and Environmental Sciences
College of Agriculture, Human and Natural Sciences

http://www.tnstate.edu/faculty/jdekoff/

  

Contact Information:

Office Location:  202K Farrell-Westbrook
Telephone:  615-963-4929
FAX:  615-963-5833
Email:  jdekoff@tnstate.edu

Research Areas:

Biofuel crop production, sustainable agriculture, soil chemistry


Research Publications:

de Koff, J.P., P.A. Moore, Jr., R.D. Williams, R. Young, and P.J.A. Kleinman. 2013. Utilizing water treatment residuals to reduce phosphorus runoff from biosolids. J. Environ. Sci. and Eng. A 2:405-41

de Koff, J.P., P.A. Moore, Jr., S.J. Formica, M. Van Eps, and P.B. DeLaune. 2011. Effects of pasture renovation on hydrology, nutrient runoff, and forage yield. J. Environ. Qual. 40:320-328

de Koff, J.P., B.D. Lee, R.S. Dungan, and J.B. Santini.  2010.  Effect of compost-, sand-, or gypsum-amended waste foundry green sands on turfgrass yield and nutrient content.  J. Environ. Qual.  39:375-383.

de Koff, J.P., B.D. Lee, and R.S. Dungan.  2008.  Amelioration of physical strength in waste foundry green sands for reuse as a soil amendment.  J. Environ. Qual.  37:2332-2338.

de Koff, J., M.A. Anderson, and C. Amrhein.  2008.  Geochemistry of iron in the Salton Sea, California.  Hydrobiologia604:111-121.

Dungan, R.S., B.D. Lee, P. Shouse, and J.P. de Koff.  2007.  Saturated hydraulic conductivity of soils blended with waste foundry sands.  Soil Science 172(10):751-758.

de Koff, J.P., R.C. Graham, K.R. Hubbert, and P.M. Wohlgemuth.  2006.  Pre- and post- fire erosion of soil nutrients within a chaparral watershed.  Soil Science 171(12):915-928.


Grants:


PI, USDA-NIFA Capacity Building Grant, Building Extension Capacity Using a Mobile Biodiesel Production Platform.  Award number 2012-38821-20283, $249,744, Project duration 2012-2015.

Co-PI, USDA-NIFA Capacity Building Grant, Identification and modulation of functional protein association networks for drought tolerance in switchgrass.  Award number 2012-38821-19989, $499,995, Project duration 2012-2015.

Co-PI, USDA-NIFA Capacity Building Grant, Biofuel Education and Training Program with Infusion of Foundation Concepts and Outreach.  Award number 2013-38820-21450, $150,000, Project duration 2013-2015.

Co-PI, USDA 2501 Outreach Assistance to Socially Disadvantaged Farmers and Ranchers (OASDFR) Competitive Grants Program, Award number 59-2501-11-022, $400,000, Project duration 2011-2013.


Teaching:

AGSC 5110 – Research Methods
SWSC 100 – Introduction to Soil Science Laboratory
ENSC 2204 – Soil Science


Extension:

Assist producers in biofuel crop production
Lead seminars and workshops for Extension agents and producers related to biofuel crops


Extension Publications:

de Koff. J.P.   2014.  Maximizing the biodiesel process.  Tennessee State University  Cooperative Extension Service, ANR-B8.  Available at:  http://www.tnstate.edu/extension/documents/Maximizing%20the%20Biodiesel%20Process.pdf

Link, R., J.P. de Koff.  2014.  Cool-season pasture weeds.  Tennessee State University Cooperative Extension Service, ANR-B7.  Available at: http://www.tnstate.edu/extension/documents/Fact%20Sheet%20-%20Cool-season%20weeds.pdf

Link, R., J.P. de Koff.  2014.  Warm-season pasture weeds.  Tennessee State University Cooperative Extension Service, ANR-B6.  Available at:  http://www.tnstate.edu/extension/documents/Fact%20Sheet%20-%20Warm-season%20weeds.pdf

de Koff, J.P.  2013.  Using audience response devices for Extension programming. Journal of Extension 51(3):3TOT4  Available at: http://www.joe.org/joe/2013june/tt4.php

de Koff, J.P.  2013.  Small-scale biodiesel production.  Tennessee State University Cooperative Extension Service, ANR-B5.  Available at:  http://www.tnstate.edu/extension/documents/Small%20Scale%20Biodiesel%20Production.pdf

de Koff, J.P.  2013.  Native warm-season perennial grasses for drought management in forage production.  Tennessee State University Cooperative Extension Service, ANR-B4.  Available at: http://www.tnstate.edu/extension/documents/Native%20warm%20season%20grasses%20for%20drought%20management.pdf

de Koff, J.P.  2012.  Bioenergy from agriculture.  Tennessee State University Cooperative
Extension Service, ANR-B3.  Available at:  http://www.tnstate.edu/extension/documents/Bioenergy.pdf

de Koff, J.P., D.S. Pitchay, and J.O. Joshua.  2012.  Leveraging university diversity to reach potential immigrant farmers.  Journal of Extension 50(4) Article IW1.

de Koff, J.P., and C. Robbins.  2012.  Calibrating seed drill seeding rates for native warm-season grasses.  Tennessee State University Cooperative Extension Service, ANR-B2.  Available at: http://www.tnstate.edu/extension/documents/Calibrating%20Seed%20Drill.pdf

de Koff, J.P., and D.D. Tyler.  2011.  Improving switchgrass yields for bioenergy production.  Tennessee State University Cooperative Extension Service, ANR-B1; University of Tennessee Cooperative Extension Service, W271. http://www.tnstate.edu/agriculture/documents/W271.pdf

de Koff, J.P., B.D. Lee, and M.V. Mickelbart.  2008.  Household composting:
composting with worms.  Purdue University Cooperative Extension Service.  HENV-104-W.

de Koff, J.P., B.D. Lee, and A.P. Schwab.  2007.  Avoiding arsenic exposure from treated lumber around the home.  Purdue University Cooperative Extension Service.  HENV-100-W.

de Koff, J.P., B.D. Lee, and A.P. Schwab.  2007.  Protecting your family from lead in the home.  Purdue University Cooperative Extension Service.  HENV-101-W.

de Koff, J.P., B.D. Lee, and P.L. Ziemer.  2007.  Radon: how to assess the risks and protect your home.  Purdue University Cooperative Extension Service.  HENV-102-W.

de Koff, J.P., B.D. Lee, and M.V. Mickelbart.  2007.  Household composting: methods and uses for compost.  Purdue University Cooperative Extension Service.  HENV-103-W.


Honors and Awards:


TSU College of Agriculture Growing Service Award, 2012
Purdue University Agronomy Extension Assistantship, 2007
Gamma Sigma Delta Agricultural Honor Society, Purdue University, 2006
George D. Scarseth Scholarship, 2005
Dean's Graduate Fellowship at University of California, Riverside, 2001
Presidential Merit Scholarship, 1996
National Honors Society, 1996


Education:

B.Sc (Chemistry) – Ithaca College
M.Sc (Soil and Water Science) – UC Riverside
Ph.D. (Agronomy) – Purdue University

Date joined staff:  2010

Complete resume available for download

 

 






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