MyBerea
News
Events
The Berea Model
Fully Funded Degree
Impartial Love
Work to Learn
Serving Appalachia
Berea College - A college like no other.
Life at Berea
Academics
Admissions & Aid
Giving
Berea.edu/Academics/Departments & Programs/Sustainability and Environmental Studies/Faculty & Staff

Dr. Mary Parr

Associate Professor of Agriculture & Natural Resources; Chair of the Sustainability & Environmental Studies Department/Sustainability and Environmental Studies

Picture of Dr. Mary Parr

Contact

  • Ext. 3866
  • parrm@berea.edu

Additional Department

  • Agriculture and Natural Resources

Office Location

  • Goldthwait Agriculture Building, 211

Office Hours

  • Mon/Wed/Fri: 9 a.m. – noon

Degrees

  • PhD Soil Science, North Carolina State University, Raleigh NC; 2014
  • M.S. Soil Science, North Carolina State University, Raleigh NC; 2010
  • Post-Baccalaureate coursework in natural sciences, South Dakota State University, Brookings, SD; 2008
  • B.A. in Modern Languages: French, Fairfield University, Fairfield CT; 2004

Publications & Works

  • Publications and Presentations

    • Parr, M., Grossman, J, Reberg-Horton, C, Crozier, C, Brinton, C. 2011 Nitrogen cycling under roller-crimper-terminated legume cover crops in North Carolina organic corn production. Accepted November 2012. Communications in Soil Science and Plant Analysis. Ecological Society of America, Annual Meeting, Minneapolis MN.
    • Parr, M.  No inoculum in sight: Rhizobia diversity and the challenges of working in Africa. NCSU Soil Science Department Seminar, November 14, 2012.
    • Parr, M. and Grossman, J. Drivers of soybean-rhizobia diversity in uninoculated soils of smallholder farms in Malawi. Soil Science Society of America Annual Meeting. October 22-24th 2012, Cincinnati, OH.
    • Parr, M., Grossman, J. and Snapp, S. Sustainable nutrient management and agrobiodiversity in Africa.  August 7-12, 2011, Austin, TX.
    • Parr, M. Grossman, J. Snapp, S., Bezner Kerr, R., Shumba, L. Environmental drivers of  soybean-nodulating-rhizobia diversity in un-inoculated smallholder farms in Malawi. August 7, 2012.
    • Parr, M. Fox, A. Cruz, A. Global Perspectives:  Integrating international experiences into graduate studies. Sustainable Agriculture Education Association Annual Meeting, September 9 – 11 2012, Corvallis OR.
    • Parr, M. Shumba, L. and Grossman, J.  Beyond the naked eye:  What we can learn from teaching soil biology to smallholder farmers in Malawi. Sustainable Agriculture Education Association Annual Meeting, September 9 – 11 2012, Corvallis OR.
    • Grossman, J., Mothapo, N. and Parr, M. Effect of cover crop planting history on Rhizobium leguminosarum ecology in organic farming systems. International Congress on Nitrogen Fixation, Nov 27-Dec 1, 2011, Fremantle, Australia.
    • Parr M. and Grossman, J. Nitrogen Fixation in Legume Cover Crops; Soil Science Society of NC Annual Meeting. January 18, 2011.
    • Parr, M., Grossman, J, Reberg-Horton, S.C., Crozier, C, Brinton, C. 2011 Nitrogen delivery to legume cover crops in no-till organic corn production. Agron. J. 103(6):1578-1590.
    • Parr, M, Reberg-Horton, S.C., Brinton, C., Crozier, C. and Grossman, J.M., Impact  of Roll-Killed Legume Cover Crops on N Dynamics and Yield of Reduced-till Organic Corn C. North Carolina Soil Science Society Annual Meeting, January 19 – 20 2010, Raleigh NC. 3rd place.
    • Parr, M. Reberg Horton, C. and Grossman, J. Harnessing the nitrogen cycle:  Fixation, decomposition and rhizobia diversity in winter annual legume cover crops. NCSU Soil Science Department. October 28, 2009.
    • Parr, M. Soils: The World Below.  HS: Introduction to Permaculture.  September 29, 2009. NCSU Raleigh, NC. Guest Lecturer.
    • Parr M., Reberg-Horton, C., Crozier, C., and Grossman, J. Fixation and Release of Nitrogen from Novel Cover Crops for use in Reduced Tillage Organic Corn Production in North Carolina, ASA-CSSA-SSSA International Annual Meetings, November 1-4, 2009 Pittsburg, PA.
    • Parr, M., Kenefick D., Sutton, F., Base Treatment of Seeds, A possible method to prolong dormancy. South Dakota Academy of Sciences, April 4-6, 2008, Chamberlain, SD.

Free to Dream.Driven to Do.

Berea College

101 Chestnut St.
Berea,KY40404
859-985-3000
Berea College

Invest in Lives of Great Promise

Give To Berea
The Great Commitments
Leadership
Campus Maps
News
Events
Careers
Facebook
YouTube
Twitter
Instagram
TikTok
Consumer Information and Student Right-to-Know
Nondiscrimination
Accessibility
Privacy Policy
Incident Report Form
© 2026 Berea College | All rights reserved.