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John P. Reganold

John Reganold

Regents Professor of Soil Science & Agroecology

Clark 337
PO Box 646420
Pullman WA 99164-6420 USA
Phone 509-335-8856
FAX 509-335-3674


Curriculum Vitae December 2019 (pdf)


B.A., German, 1971, University of California at Berkeley
M.S. Soil Science,1974, University of California at Berkeley
Ph.D. Soil Science, 1980, University of California at Davis


Current Courses

SoilS 101: Organic Gardening Farming [3 credits]
SoilS/CropS 412: Undergraduate Seminar [1 credit]
SoilS 495: Research Experience [1-3 credits]
SoilS 498: Professional Internship [3 credits]
SoilS 499: Special Problems (Independent Study) [1-3 credits]
SoilS 501/CropS 510: Graduate Seminar [1 credit]
SoilS 503: Advanced Soil Analysis [1-3 credits]

Past Courses

SoilS 201: Soil: A Living System (Introductory Soils) [3 credits]
SoilS 301: Land Use and Soil Management [3 credits]
SoilS 505: Teaching Practicum [1 credit]

Teaching Directorships

Director of Organic and Sustainable Agriculture Major (advise ~ 25 undergraduate majors)
Director of Online Certificate in Organic Agriculture
Director of 30-acre Eggert Family Organic Farm


Soil Quality and Sustainable Agriculture:  Measure the effects of alternative and conventional farming systems on agricultural sustainability indicators, such as soil health, crop yield and quality, financial performance, environmental quality, and social responsibility. Learn more about Dr. Reganold’s research.

Selected Publications

Smith, O.M., A.L. Cohen, J.P. Reganold, M.S. Jones, R.J. Orpet, J.M. Taylor, J.H. Thurman, K.A. Cornell, R.L. Olsson, Y. Ge, C.M. Kennedy, and D.M. Crowder. 2020. Landscape context affects the sustainability of organic farming systems. Proceedings of the National Academy of Sciences USA. 117: 2870-2878.

Wachter, J.M., K.M. Painter, L. Carpenter-Boggs, D.R. Huggins, and J.P. Reganold. 2019. Productivity, economic performance, and soil quality of conventional, mixed, and organic dryland farming systems. Agriculture, Ecosystems and Environment.

Eyhorn, F., A. Muller, J.P. Reganold, E. Frison, H.R. Herren, L. Luttikholt, A. Mueller, N. Scialabba, V. Seufert, and P. Smith. 2019. Organic farming drives sustainability in global agriculture. Nature Sustainability 2:253–255.

Morrow, J.G., D.R. Huggins, and J.P. Reganold. 2017. Climate change predicted to negatively influence surface soil organic matter of dryland cropping systems in the inland Pacific Northwest, USA. Frontiers in Ecology and Evolution doi.10.3389/fevo.2017.00010

Reganold, J.P. and J.D. Glover. 2016. A cure for Africa’s soil. Scientific American. 314(May):66-69.

Reganold, J.P. and J.M. Wachter. 2016. Organic agriculture in the 21st century. Nature Plants. 2:e15221. doi: 10.1038/NPLANTS.2015.221.

Crowder, D.W. and J.P. Reganold. 2015. Financial competitiveness of organic agriculture on a global scale. Proceedings of the National Academy of Sciences USA 112:7611-7616.

Sandhu, H., S. Wratten, R. Constanza, J. Pretty, J.R. Porter, and J. Reganold. 2015. Significance and value of non-traded ecosystem services on farmland. PeerJ 3:e762

Reganold, J.P. 2013. Comparing organic and conventional farming systems: metrics and research approaches. Crop Management doi:10.1094/CM-2012-0XXX-01-RS.

Glover, J.D., J.P. Reganold, and C.M. Cox. 2012. Plant perennials to save Africa’s soils. Nature 489:359-361.

Reganold, J.P., D. Jackson-Smith, S.S. Batie, R.R. Harwood, J.L. Kornegay, D. Bucks, C.B. Flora, J.C. Hanson, W.A. Jury, D. Meyer, A. Schumacher, Jr., H. Sehmsdorf, C. Shennan, L.A. Thrupp, and P. Willis. 2011. Transforming U.S. agriculture. Science 332:670-671.

Chiras, D.D. and J.P. Reganold. 2010. Natural Resource Conservation: Management for a Sustainable Future (10th edition). Prentice Hall, Upper Saddle River, New Jersey. 659 pp.

Reeve, J.R., C.W. Schadt, L. Carpenter-Boggs, S. Kang, J. Zhou, and J.P. Reganold. 2010. Effects of soil type and farm management on soil ecological functional genes and microbial activities. ISME Journal 4:1099-1107.

Glover, J.D., J.P. Reganold, L.W. Bell, J. Borevitz, E.C. Brummer, E.S. Buckler, C.M. Cox, T.S. Cox, T.E. Crews, S.W. Culman, L.R. DeHaan, D. Eriksson, B.S. Gill, J. Holland, F. Hu, B.S. Hulke, A.M.H. Ibrahim, W. Jackson, S.S. Jones, S.C. Murray, A.H. Paterson, E. Ploschuk, E.J. Sacks, S. Snapp, D. Tao, D.L. Van Tassel, L.J. Wade, D.L. Wyse, and Y. Xu. 2010. Increased food and ecosystem security via perennial grains. Science 328:1638-1639.

Reganold, J.P., P.K. Andrews, J.R. Reeve, L. Carpenter-Boggs, C.W. Schadt, J.R. Alldredge, C.F. Ross, N.M. Davies, and J. Zhou. 2010. Fruit and soil quality of organic and conventional strawberry agroecosystems. PloS ONE 5(9): e12346.  doi:10.1371/journal.pone.0012346.

Huggins, D.R. and J.P. Reganold. 2008. No-till: The quiet revolution. Scientific American 299 (July):70-77.

Glover, J.D., C.M. Cox, and J.P. Reganold. 2007. Future farming: A return to roots? Scientific American 297(August):82-89.

Kristiansen, P., A. Taji, and J. Reganold (eds.). 2006. Organic Agriculture: A Global Perspective. CSIRO Publishing, Collingwood, Victoria, Australia. 480 pp.

Kramer, S.B., J.P. Reganold, J.D. Glover, B.J.M. Bohannan, and H.A. Mooney. 2006. Reduced nitrate leaching and enhanced denitrifier activity and efficiency in organically fertilized soils. Proceedings of the National Academy of Sciences USA 103:4522-4527.

Reganold, J.P., J.D. Glover, P.K. Andrews, and H.R. Hinman. 2001. Sustainability of three apple production systems. Nature 410:926-930.

Reganold, J.P., A.S. Palmer, J.C. Lockhart, and A.N. Macgregor. 1993. Soil quality and financial performance of biodynamic and conventional farms in New Zealand. Science 260:344-349.

Reganold, J.P., R.I. Papendick and J.F. Parr. 1990. Sustainable agriculture. Scientific American 262(June):112-120.

Reganold, J.P., L.F. Elliott and Y.L. Unger. 1987. Long-term effects of organic and conventional farming on soil erosion. Nature 330:370-372.

News Articles

Reganold at TEDx

Changes in markets, policies and science needed for more sustainable farming

Dr. Reganold shares with a TEDx audience how a blend of innovative farming approaches is needed for future global food and ecosystem security.

WSU Soil Scientist Leads Expert Panel’s Call for ‘Transforming U.S. Agriculture’

Changes in markets, policies and science needed for more sustainable farming

A group of leading scientists, economists and farmers is calling for a broad shift in federal policies to speed the development of farm practices that are more economically, socially, and environmentally   sustainable.

Scientific American: Adoption of No-till Farming Practices

Regents Professor of soil science John Reganold and USDA-ARS soil scientist David Huggins have co-authored an article  appearing in the July 2008 issue of Scientific American on the adoption of no-till farming practices.

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