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United States Department of Agriculture

Agricultural Research Service

Stewart B. Wuest

Soil Scientist


Stewart Wuest

Educational Background

 

BS degree in Agrarian Studies from the University of California in 1980, where I later earned an MS in Agronomy, and in 1991 a PhD in Soil Science.

Research Program - Soil Ecology


See the Soil Ecology page for more information about current research projects.

 

Peer Reviewed Journal Articles

Fertilizer-nitrogen use efficiency of irrigated wheat: I. Uptake efficiency of pre-plant versus late season application. Agronomy Journal. 84:682-688. 1992. Wuest, S.B. and K.G. Cassman.

Fertilizer-nitrogen use efficiency of irrigated wheat: II. Partitioning efficiency of preplant versus late season application. Agronomy Journal, 84:689-694. 1992. Wuest, S.B. and K.G. Cassman.

Effects of variations in soil water potential, depth of N placement, and cultivar on postanthesis N uptake by wheat. Plant and Soil, 143:45-53. 1992. Wuest, S.B. and K.G. Cassman.

Increasing plot length reduces experimental error of on-farm tests. Journal of Production Agriculture, 7:211-215. 1994. Wuest, S.B., B.C. Miller, J.R. Alldredge, S.O. Guy, R.S. Karow, R.J. Veseth and D.J. Wysocki.

On-farm tests as a tool for extension programming. Journal of Extension,33(4). http://www.joe.org/joe/1995august/a3.html. 1995. Wuest, S.B., S.O. Guy, L.J. Smith and B.C. Miller.

Development of more effective conservation farming systems through participatory on-farm research. American Journal of Alternative Agriculture, 14(3):98-102. 1999. Wuest, S.B., D.K. McCool, B.C. Miller and R.J. Veseth.

Vapor transport vs. seed-soil contact in wheat germination. Agronomy Journal, 91:783-787. 1999. Wuest, S.B., S.L. Albrecht and K.W. Skirvin.

Crop residue position and interference with wheat seedling development. Soil and Tillage Research,55:175-182. 2000. Wuest, S.B., S.L. Albrecht and K.W. Skirvin.

Soil biopore estimation: effects of tillage, nitrogen, and photographic resolution. Soil and Tillage Research, 62:111-116. 2001. Wuest, S.B.

Earthworm, infiltration, and tillage relationships in a dryland pea-wheat rotation. Applied Soil Ecology, 18:187-192. 2001. Wuest, S.B.

Water transfer from soil to seed: The role of vapor transport. Soil Science Society of America Journal, 66:1760-1763. 2002. Wuest, S.B.

Carbon dioxide flux measurement during simulated tillage. Agronomy Journal, 95:715-718. 2003. Wuest, S.B., D. Durr and S.L. Albrecht.

Organic matter addition, N, and residue burning effects on infiltration, biological, and physical properties of an intensively tilled silt-loam soil. Soil and Tillage Research, 84, 154-167 2005. Wuest, S.B., T.C. Caesar-TonThat, S.F. Wright and J.D. Williams.

Bias in ponded infiltration estimates due to sample volume and shape. Vadose Zone Journal,4:1183-1190. 2005. Wuest, S.B.

Rotary subsoiling newly planted winter wheat fields to improve infiltration in frozen soil. Soil and Tillage Research, 86:141-151. 2006. Williams, J.D., S.B. Wuest, W.F. Schillinger, and H.T. Gollany.

Tillage and perennial grass effects on ponded infiltration for seven semi-arid loess soils. Journal of Soil and Water Conservation, 61:218-223. 2006. Wuest, S.B., J.D. Williams and H.T. Gollany.

Vapour is the principal source of water imbibed by seeds in unsaturated soils. Seed Science Research, 17:3-9. 2007. Wuest, S.

Surface versus incorporated residue effects on water-stable aggregates. Soil and Tillage Research, 96:124-130. 2007. Wuest, S.B.

Small-increment electric soil sampler. Soil Science Society of America Journal, 72:1554-1556. 2008. Wuest, S.B. and W.F. Schillinger.

Correction of bulk density and sampling method biases using soil mass per unit area. Soil Science Society of America Journal,73:312-316. 2009. Wuest, S.B.

Comparison of runoff, soil erosion, and winter wheat yields from no-till and inversion tillage production systems in northeastern Oregon. Journal Soil and Water Conservation,64(1):42-53. 2009. Williams, J.D., H.T. Gollany, M.C. Siemens, S.B. Wuest and D.S. Long.

Comparison of preferential flow paths to bulk soil in a weakly aggregated silt loam soil. Vadose Zone Journal, 8:623-627. 2009. Wuest, S.B.

Phosphorus fertilization of late-planted winter wheat into no-till fallow. Agronomy Journal, 102:868-874. 2010. Lutcher, L.K., W.F. Schillinger, S.B. Wuest, N.W. Christensen and D.J. Wysocki.

Tillage depth and timing effects on soil water profiles in two semi-arid soils. Soil Science Society of America Journal.(Accepted March 25, 2010). Wuest, S.B.

Additional Publications

Comparison of uptake efficiency and partitioning of N in wheat before and after anthesis: Evaluation of N management strategies. In Proceedings, 1988 California Plant and Soil Conference, California Chapter of the American Society of Agronomy. February 1-2, 1989. Sacramento, CA (1989). Wuest, S.B., K.G. Cassman and B.A. Linquist.

Nitrogen Fertilizer Management. California Wheat Commission. 1991. Wuest, S.B.

How to do an on-farm test. STEEP Extension Conservation Farming Update, Winter 1992. Wuest, S.B.

Farmer driven on-farm research to develop site-specific conservation farming practices in the Pacific Northwest. p. 187-8. 1992. In Proceedings of a Conference on Participatory On-Farm Research and Education for Agricultural Sustainability, Champaign, IL, July 30 - August 1, 1992. Miller, B., S. Wuest, R. Veseth, S. Guy, R. Karow and D. Wysocki.

1992 Pacific Northwest on-farm test results. Department of Crop and Soil Sciences Technical Report 92-4, Washington State University, Pullman WA. 1992. Wuest, S.B., B.C. Miller, R.J. Veseth, S.O. Guy, D.J. Wysocki and R.S. Karow.

On-farm testing: A powerful new tool for growers. pp. 60-63. In 1993 Field Day Proceedings: Highlights of Research Progress. WSU Department of Crop and Soil Sciences Technical Report 93-4. 1993. Wuest, S., R. Veseth, B. Miller and S. Guy.

On-farm testing: A powerful new tool for growers. pp. 48-50. In 1993 Field Day Research and Extension Report. University of Idaho, Department of Plant, Soil, and Entomological Sciences. 1993. Wuest, S., R. Veseth, S. Guy and B. Miller.

1993 Pacific Northwest on-farm test results. Department of Crop and Soil Sciences Technical Report 94-1, Washington State University, Pullman WA. 1993. Wuest, S.B., B.C. Miller, R.J. Veseth, S.O. Guy, D.J. Wysocki and R.S. Karow.

Why on-farm testing can make a difference. Sustainable Farming Quarterly Vol. No. 4, February 1993. Wuest, S.B.

1994 Pacific Northwest on-farm test results. Department of Crop and Soil Sciences Technical Report 95-1, Washington State University, Pullman WA. 1994. Wuest, S.B., B.C. Miller, R.J. Veseth, S.O. Guy, D.J. Wysocki and R.S. Karow.

Use of On-Farm Research by Farmers for Technology Development and Transfer. p.7-12. In Alternative Approaches to On-Farm Research and Technology Exchange. Wuest, Stewart, Baird Miller, Stephen Guy, Russ Karow, Roger Veseth and Donald Wysocki. Charles Francis, Rhonda Janke, Victoria Mundy, James King, editors. University of Nebraska - Lincoln. 1995.

Using an On-Farm Test for Variety Selection. Pacific Northwest Extension Bulletin PNW 486. 1995. Wuest, S.B., B.C. Miller, R.J. Veseth, S.O. Guy, D.J. Wysocki and R.S. Karow.

On-Farm Test Record Form. Pacific Northwest Extension Bulletin PNW 487. 1995. Wuest, S.B., B.C. Miller, R.J. Veseth, S.O. Guy, D.J. Wysocki and R.S. Karow.

Producer managed on-farm testing -- a scientific approach to grower evaluation of new technologies. 1998. In Proceedings of the Agri FUTURE Farm Technology Expo, Red Deer, Alberta, Feb. 4-6, 1998. Veseth, R., S. Wuest, B. Miller, R. Karow, S. Guy, D. Wysocki and T. Feiz.

Seeding peas and barley into heavy cereal residue. 1998 Columbia Basin Agricultural Research Report. Special Report 989. Agric. Exp. Stn., Oregon State University and USDA-ARS, Pendleton, OR. 1998. Wilkins, D. and S. Wuest. p 47-49. In J.D. Williams (ed.)

Documenting Soil Quality Changes in the Transition to No-Till: 16 Years No-Till Versus First Year No-Till and Conventional Tillage Near Pendleton, OR. p. 74-76. In R.J. Veseth (ed.) Proceedings of the Northwest Direct Seed Cropping Systems Conference and Trade Show. Spokane WA. Jan. 5-7, 1999.Wuest, S.B., P.E. Rasmussen, C.L. Douglas, Jr., R.W. Rickman, S.L. Albrecht, D.E. Wilkins and R.W. Smiley.

Crop residue and plant health - research overview and implications for no-till. p 81-83. In L. Patterson (ed.) 1999 Columbia Basin Agricultural Research Report. Special Report 999. Agric. Exp. Stn., Oregon State University and USDA-ARS, Pendleton, OR. 1999. Wuest, S., and K. Skirvin.

Direct seeding influence on hydrology and stream morphology in dryland crop areas. In Proceedings of the American Water Resource Association Annual Water Resources Conference, Nov. 6-9, 2000. Williams, J.D., and S.B. Wuest.

How tillage and cropping systems change soil organic matter. Inland Pacific Northwest Research. p 36-43. In Northwest Direct Seed Cropping Systems Conference. Jan. 5-7, 2001. Spokane, WA. WSU Press, Pullman, WA. 2001. Wuest, S., S. Albrecht, J.L. Smith, and D. Bezdicek.

No-till influence on hydrology and stream morphology in dryland crop areas. 2001 Columbia Basin Agricultural Research Annual Report. Special Report 1026, Agric. Exp. Sta., Oregon State University, Corvallis, OR. 84-95. 2001. Williams, J.D., and S.B. Wuest.

Seed-soil contact and the role of vapor in germination. 2003 Columbia Basin Agricultural Research Center Annual Report. Special Report 1047. Agric. Exp. Sta., Oregon State University, Corvallis, OR. 69-72. 2003. Wuest, S.

Rotary subsoiling effectiveness on runoff and erosion in dryland wheat in Washington State. In Proceedings of American Water Resources Association Conference, Nov. 2-6, 2003. San Diego, CA. CD-ROM. 2003. Williams, J.D., S.B. Wuest, W.F. Schillinger, H.T. Gollany, and D.K. McCool.

Rotary subsoiling to reduce erosion and improve infiltration in newly planted winter wheat after summer fallow. Columbia Basin Agricultural Research Center Annual Report. Special Report 1054. Agric. Exp. Sta., Oregon State University, Corvallis, OR. 103-109. 2004. Williams, J.D., S.B. Wuest, W.F. Schillinger and H.T. Gollany.

Long-term experiments at CBARC-Pendleton, 2004. Columbia Basin Agricultural Research Center Annual Report. Special Report 1061. Agric. Exp. Sta., Oregon State University, Corvallis, OR. 73-86. 2005. Machado, S., K. Rhinhart, S. Petrie, S. Wuest, R. Correa and T. Johlke.

Effects of tillage and residue management on seed-zone temperature and moisture: field investigation and SHAW modeling. In American Society of Agri Engineers Special Meetings and Conferences Papers. 2005. (Proceedings) Qiu, H., J.D. Williams, J. Wu, G.N. Flerchinger, H.S. Oviatt, S.B. Wuest, and D.K. McCool.

Effects of tillage on water infiltration. Columbia Basin Agricultural Research Center Annual Report. Special Report 1068. Agric. Exp. Sta., Oregon State University, Corvallis, OR. 86-92. 2006. Wuest, S.B., J.D. Williams and T.R. Johlke.

Comparison of runoff and soil erosion from no-till and inversion tillage production systems. Columbia Basin Agricultural Research Center Annual Report. Special Report 1083. Agric. Exp. Sta., Oregon State University, Corvallis, OR. 74-85. 2008. Wuest, S.B., J.D. Williams, H.T. Gollany, M.C. Siemens, D.S. Long.

Long-term Experiments at CBARC-Moro and Center of Sustainability-Heppner, 2006-2007. Columbia Basin Agricultural Research Center Annual Report. Special Report 1083. Agric. Exp. Sta., Oregon State University, Corvallis, OR. 2008. Machado, S., L. Pritchett, E. Jacobsen, S. Petrie, R. Smiley, D. Ball, D. Wysocki, S. Wuest, H. Gollany, and W. Jepsen.

How Tillage affects Water Infiltration. Oregon Soil Quality Technical Note No. 3, USDA Natural Resources Conservation Service, Portland OR., October 2009. Wuest, S.B.

Do High Velocity Water Flow Paths Develop Over Time Under No-till? Columbia Basin Agricultural Research Center Annual Report, Special Report 1091. Agric. Exp. Sta., Oregon State University, Corvallis, OR, 2009. Wuest, S.B., T.R. Johlke, W. Matlock.


Last Modified: 11/12/2013