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Faculty - Norton|Department of Ecosystem Science & Management
Jay B. Norton

Jay B. Norton

Associate Professor and Soils Extension Specialist

Department of Ecosystem Science & Management

University of Wyoming
1000 E. University Avenue
Laramie, WY 82071-3354

Office: 307-766-5082
FAX: 307-766-6403
Cell: 307-760-5781
Email: jnorton4@uwyo.edu

Google Citations Page

Soil Resource Lab

Interests & Expertise

My research focuses on nutrient cycling in natural, disturbed, and agricultural settings from the perspective of landscape and soil organic matter dynamics. I am interested in learning how interactions among landscapes, plant communities, and land use affect resiliency and degradation-recovery processes as applied to on-the-ground ecological restoration and sustainable management.

I am most interested in using applied research as an extension tool. Engaging land owners, agency managers, conservationists, students, and others in planning and implementing problem-solving research provides the most effective learning situations for both researchers and managers. It also ensures relevant and practical results that address real production and management issues.

Education

Ph.D. Resource Conservation/Soil Science: The University of Montana (2000)
Dissertation: Agroecology, hydrology, and conservation of ephemeral streams and alluvial fans, Zuni Pueblo. (Advisors Stephen Siebert & Thomas DeLuca)
M.S.

Agronomy/Soil Science: Iowa State University (1996)
Thesis: Soil, geomorphic, and ecological factors in Zuni runoff agriculture. (Advisor: Jonathan Sandor)

B.A. Geology: The University of Montana (1985)

History

2012-present Associate Professor & UW Extension Specialist, Department of Ecosystem Science & Management, University of Wyoming.
2006-2012 Assistant Professor & UW Extension Specialist, Department of Ecosystem Science & Management, University of Wyoming.
2002-2006 Cooperative Extension Director & Farm Advisor, University of California, Tuolumne County, California.
2001-2002 NRI Postdoctoral Research Associate, Utah State University Plants, Soils, & Biometeorology Department and USDA-ARS Forage & Range Research Laboratory.
1996-2000 NSF Research Associate & Project Manager, Department of Agronomy, Iowa State University.
1993-1995 Teaching and research assistant, Department of Agronomy, Iowa State University.
1991-1992 Soil Scientist, Wetland Specialist, Earth Tech, Inc., Waterloo, Iowa.
1984-1990 Soil Conservationist, Missoula and Mineral County Conservation Districts and Natural Resource Conservation Service.

 Teaching

Soil Fertility (SOIL4160/5160).

Soil Genesis, Morphology, & Classification, University of Wyoming, 2014.

Agroecology Field Studies, UW. Co-taught in 2008.

Agroecology Capstone Seminar, UW. Co-taught in 2007.

Publications

Extension Bulletins

Hergert, G.W., J.G. Davis, T.M. Shaver, and J.B. Norton. 2015. Nutrient management. P. 29-33 In: Dry bean pest management and production, H.F. Schwartz and M.A. Brick, eds, 3rd edition. University of Nebraska Extension.

Norton, J.B., and C. Strom. 2013. Successful restoration of severely disturbed lands: Reclamation considerations for oil and gas lease contracts on private lands. University of Wyoming Extension Bulletin B-1242.

Strom, C., and J.B. Norton. 2012. Successful restoration of severely disturbed lands: Reclamation on salt-affected soils. University of Wyoming Extension Bulletin B-1231.

Norton, J.B., and C. Strom. 2011. Successful restoration of severely disturbed lands: Identifying suitable soil for salvage prior to disturbance. University of Wyoming Cooperative Extension Bulletin B-1222.

Bass, T., D. Colburn, J. Davis, J. Deering, M. Fisher, R. Flynn, S. Lupis, J.B. Norton, and N. Schauermann. 2011. Livestock mortality composting for large and small operations in the semi-arid west. Montana State University: Bozeman. 28pp.

Strom, C., J.B. Norton, and T. Loubsky. 2010. Successful restoration of severely disturbed lands: Seeding essentials for reclaiming disturbed lands. University of Wyoming Cooperative Extension Bulletin B-1204.

Norton, J.B., A. Krzyszowska-Waitkus, C. Strom. 2010. Successful restoration of severely disturbed lands: Predisturbance baseline inventory. University of Wyoming Cooperative Extension Bulletin B-1212.

Norton, J.B., A. Krzyszowska-Waitkus, and T. Loubsky. 2009. Successful restoration of severely disturbed lands: Overview of critical components. University of Wyoming Cooperative Extension Bulletin B-1202.

Research Journal Articles

Lamb, J.N., K.M. Moore, J.B. Norton, E.C. Omondi, R. Laker-Ojok, D.N. Sikuku, D.S. Ashilenje, and J. Odera. 2015. A social networks approach for strengthening participation in technology innovation: lessons learnt from the Mount Elgon region of Kenya and Uganda. International Journal of Agricultural Sustainability DOI: 10.1080/14735903.2015.1025479.

Odhiambo, J., U. Norton, D. Ashilende, E. Omondi, J.B. Norton. 2015. Weed dynamics during transition from conventionally tilled maize/bean intercropping to conservation agriculture practices in western Kenya. PLOS ONE DOI:10.1371/journal.pone.0133976.

Hurisso, T.T., J.B. Norton, E.J. Mukhwana, and U. Norton. 2015. Soil organic carbon and nitrogen fractions and sugarbeet sucrose yield in furrow-irrigated agroecosystems. Soil Science Society of America Journal: doi:10.2136/sssaj2015.02.0073.

Bista, P., U. Norton, R. Ghimire, and J.B. Norton. 2015. Greenhouse gas fluxes and soil carbon and nitrogen following single summer tillage event. International Journal of Plant and Soil Science 6:183-193, DOI: 10.9734/IJPSS/2015/16234.

Day, S.J., J.B. Norton, T. Kelleners, and C.F. Strom. 2015. Drastic disturbance of salt-affected soils in a semi-arid cool desert shrubland. Arid Land Res Manag 29:306-320, DOI: 10.1080/15324982.2014.962666. 

Odhiambo, J., U. Norton, E.C. Omondi, D.S. Ashilende, D.N. Sikuku, and J.B. Norton. 2014. Soil carbon and nitrogen mineralization and crop parameters in typical maize-bean intercropping in western Kenya. International Journal of Plant and Soil Science 5:127-142, DOI : 10.9734/IJPSS/2015/14476.

Ghimire, R., J.B. Norton, P.D. Stahl, and U. Norton. 2014. Soil microbial substrate properties and microbial community responses under irrigated organic and reduced-tillage crop and forage production system. PLoS ONE 9(8): e103901.

Hurisso, T.T., J.B. Norton, and U. Norton. 2014. Labile soil organic carbon and nitrogen within a gradient of dryland agricultural land-use intensity in Wyoming. Geoderma 226: 1-7.

Moore, K.M., J.N. Lamb, D.N. Sikuku, D.S. Ashilenje, R. Laker-Ojok, J.B. Norton. 2014. Multiple knowledges for agricultural production: Implications for the development of conservation agriculture in Kenya and Uganda. J Ag Ed Extension 20:291-307.

Omondi, E.C., J.B. Norton, D.S. Ashilenje. 2014. Performance of a local open pollinated maize variety and a common hybrid variety under intensive small-scale farming practices. African Journal of Agricultural Research 9:950-955.

Norton, J.B., H.R. Olsen, L.J. Jungst, D. Legg, and W.R. Horwath. 2014. Soil carbon and nitrogen storage in alluvial wet meadows of the Southern Sierra Nevada Mountains. J Soils Sediments 14:34-43.

Ghimire, R., J.B. Norton, and E. Pendall. 2014. Alfalfa-grass biomass, soil organic carbon, and total nitrogen under different management approaches in an irrigated agroecosystem. Plant Soil 374:173-184.

Hurisso, T.T., J.B. Norton, and U. Norton. 2013. Soil profile carbon and nitrogen in prairie, perennial grass–legume mixture and wheat-fallow production in the central High Plains, USA. Agriculture, Ecosystems and Environment 181:179-187.

Ghimire, R., J.B. Norton, U.  Norton, J.P. Ritten, P.D. Stahl, and J.M. Krall. 2013. Long-term farming systems research in the Central High Plains. Renewable Agriculture and Food Systems 28:183-193.

Norton, J.B., E.J. Mukhwana, and U. Norton. 2012. Loss and recovery of soil organic carbon and nitrogen in a semiarid agroecosystem. Soil Science Society of America Journal 76:505-514.

Kelleners, T.J., and J.B. Norton. 2012. Determining water retention in seasonally frozen soils using Hydra impedance sensors. Soil Science Society of America Journal 76:36-50.

Norton, J.B., L.J. Jungst, U. Norton, H.R. Olsen, K.W. Tate, and W.R. Horwath. 2011. Soil carbon and nitrogen storage in upper montane riparian meadows.  Ecosystems 14:1217-1231.

Norton, J.B. 2011. Nitrogen source, timing, and rate alternatives for furrow-irrigated sugarbeet. Online.  Crop Management:10.1094/CM-2011-0829-1001-RS.

Ritten, J.P., B. C.T., B.S. Rashford, J.B. Norton, U. Norton, S.I. Paisley, and P.A. Burgener. 2010. Can Carbon Find a Home on the Range? Western Economics Forum 8:14-20.

Norton, J.B., T.A. Monaco, and U. Norton. 2007. Mediterranean annual grasses in western North America: Kids in a candy store (invited commentary). Plant and Soil 298:1-5

Norton, J.B., J.A. Sandor, C.S. White, and V. Laahty. 2007. Organic matter transformations through arroyos and alluvial fan soils within a Native American agroecosystem. Soil Sci. Soc. Am. J. 71: 829-835.

Norton, J.B., J.A. Sandor, and C.S. White. 2007. Runoff and sediments from hillslope soils within a Native American agroecosystem. Soil Sci. Soc. Am. J. 71:476-483.

Sandor, J.A., J.B. Norton, J.A. Homburg, D.A. Muenchrath, C.S. White, S.E. Williams, C.L. Havener, and P.D. Stahl. 2007. Biogeochemical studies of a Native American Runoff Agroecosystem. Geoarchaeology 22: 359-386.

Homburg, J.A., J.A. Sandor, and J.B. Norton. 2005. Anthropogenic influences on Zuni agricultural soils. Geoarchaeology 20: 661-693.

Norton, J.B., T.A. Monaco, J.M. Norton, D.A. Johnson, and T.A. Jones. 2004. Soil morphology and organic matter dynamics under cheatgrass and sagebrush-steppe plant communities. J. Arid Environments 57:445-466.

Monaco, T.A., D.A. Johnson, J.M. Norton, T.A. Jones, K.J. Connors, J.B. Norton, and M.B. Redinbaugh. 2003. Contrasting responses of Intermountain West grasses to soil nitrogen. J. Range Manage. 56: 282-290.

Monaco, T.A., C.T. MacKown, D.A. Johnson, T.A. Jones, J.M. Norton, J.B. Norton, and M.B. Redinbaugh. 2003. Nitrogen effects on seed germination and seedling growth. J. Range Manage. 56: 646-653.

Norton, J.B., J.A. Sandor, and C.S. White. 2003. Hillslope soils and organic matter dynamics within a Native American agroecosystem on the Colorado Plateau. Soil Sci. Soc. Am. J. 67:225-234.

Norton, J.B., F. Bowannie, Jr., P. Peynetsa, W. Quandelacy, and S.F. Siebert. 2002. Native American methods for conservation and restoration of semiarid ephemeral streams. J. Soil and Water Conserv. 57:250-258. (SWCS Best Research Award, Honorable Mention, 2002)

Norton, J.B., R.R. Pawluk, and J.A. Sandor. 2001. Farmer-Scientist collaboration for research and agricultural development. p. 107-120 In W.A. Payne and D. Keeney (eds.) Sustainability of Agricultural Systems in Transition. ASA Special Publication no. 64, Madison, WI.

Norton, J.B. 2000. Agroecology, hydrology, and conservation of ephemeral streams and alluvial fans, Zuni Pueblo, NM. Ph.D. Dissertation. University of Montana, Missoula, MT Pub. No. AAT 9993970.

Norton, J.B., R.R. Pawluk, and J.A. Sandor. 1998. Observation and experience linking science and indigenous knowledge. J. Arid Environments 39:331-340.

Norton, J.B., and J.A. Sandor. 1997. Combating desertification with indigenous agricultural technology at Zuni Pueblo, New Mexico. Arid Lands Newsletter 41.

Norton, J.B. 1996. Soil, geomorphic, and ecological factors in Zuni runoff agriculture. MS Thesis. Iowa State University, Ames, IA.

Conference Proceedings

Norton, J.B. 2014. Grazing and soil health: Growing soil and livestock go together. In: Proceedings, 14th Annual Nebraska Grazing Conference. August 12-13, 2014, Kearney, NE.

Gebault-King*, R. and J.B. Norton. 2014 Amendment application rates for enhanced phosphorus availability in organic production on calcareous soils. Vol. 15: Great Plains Soil Fertility Conference. Denver, CO, March 4-5.

Norton, J.B., and R. Ghimire*. 2014. Soil microbiology, organic matter, and economics four years after conversion from continuous irrigated corn to crop and forage rotations under typical, reduced tillage, and organic management. Vol. 15: Great Plains Soil Fertility Conference. Denver, CO, March 4-5.

Ghimire*, R., and J.B. Norton. 2013. Nitrogen dynamics in conventional, reduced tillage, and organic irrigated systems: Results of a four-year experiment in Wyoming. Western Nutrient Management Conference. Reno, NV, March 6-8.

Norton, J.B., and M.J. Killen. 2012. Fertilizing flood-irrigated spring wheat for high protein content. Vol. 14: Great Plains Soil Fertility Conference. Denver, CO, March 6-7.

Ghimire, R.*, J.B. Norton, and P.D. Stahl. 2012. Alternative soil fertility strategies affect seasonal dynamics of soil microbial communities in crop-livestock farming systems. Proceedings Vol. 14: Great Plains Soil Fertility Conference. Denver, CO, March 6-7.

Gebault-King, R.* and J.B. Norton. 2012. Alternative amendments and soil phosphorus in organic farming systems. Vol. 14: Great Plains Soil Fertility Conf. Denver, CO, March 6-7.

Driessen, C.A.*, A.M. Mason*, J.B. Norton, and C.F. Strom. 2011. Immediate effects of controlled livestock teatment on reclaimed natural gas well pads. Proceedings of the 16th Wildland Shrub Symposium, Logan, Utah. May 18-20.

Driessen, C.A.*, A.M. Mason*, J.B. Norton, and C. Strom. 2011. Immediate effects of controlled livestock teatment on reclaimed natural gas well pads. Proceedings of the 16th Wildland Shrub Symposium, Logan, Utah. May 18-20, 2010.

Mason, A.M.*, C.A. Driessen*, J.B. Norton. 2011. First-year impacts of well-pad development and reclamation on sagebrush grasslands in Wyoming. Proceedings of the 16th Wildland Shrub Symposium, Logan, Utah. May 18-20, 2010.

Mukhwana*, E.J., D.E., Peck, and J.B. Norton. 2010. Economics of dryland winter wheat cropping systems in Wyoming. Proceedings: Great Plains Soil Fertility Conference. Denver, CO, March 2-3, 2010.

Norton, J.B., and E.J. Mukhwana. 2010. Soil organic matter dynamics under dryland winter-wheat-based cropping systems in two Wyoming production areas. Proceedings: Great Plains Soil Fertility Conference. Denver, CO, March 2-3, 2010.

Mukhwana, E.J.*, and J.B. Norton. 2009. Transforming soils, lives, and landscapes: Soil quality and economics of dryland winter wheat crop-fallow systems in Wyoming. In: Proceedings: Farming Systems Design 2009, Monterey, CA, August 24-26, 2009.

Norton, J.B., A.M. Mason*, and C.A. Hudlow*. 2009. Effects of natural gas well development, reclamation activities, and controlled livestock impact on topsoil properties. In: Revitalizing the environment: Proven solutions and innovative approaches: Proceedings of the 26th  National Conference of the American Society of Mining and Reclamation, May 30-June 5, 2009, Billings Montana.

Norton, J.B. 2007. No-till grain production in Wyoming: Status and potential. In: Proceedings Vol. 7: Western Nutrient Management Conference. Salt Lake City, UT, March 8-9, 2007.

Norton, J.B. 2007. Sustainable crop and livestock production systems in the Western High Plains. Pp. 47-48 In: Proceedings Vol. II: Farming Systems Design 2007: An international symposium on methodologies for integrated analysis of farm production systems, Catania, Sicily, Italy, September 10-12, 2007.

Monaco, T.A., J.B. Norton, D.A. Johnson, and T.A. Jones, J.M. Norton. 2004. Soil nitrogen controls on grass seedling tiller recruitment. In: Hild, A.L., et al., eds. Seed and soil dynamics in shrubland ecosystems: proceedings; 12th Wildland Shrub Symposium, August 12-16, 2002, Laramie, WY. RMRS-P-31, USFS:Ogden, UT.

Norton, J.B., T.A. Monaco, J.M. Norton, D.A. Johnson, and T.A. Jones. 2004. Cheatgrass invasion alters soil morphology and organic matter dynamics in big sagebrush-steppe rangelands. In: Hild, A.L., et al., eds. Seed and soil dynamics in shrubland ecosystems: proc. 12th Wildland Shrub Symp., Aug. 12-16, 2002, Laramie, WY. RMRS-P-31, USFS:Ogden, UT.

Sandor, J.A., J.B. Norton, R.R. Pawluk, J.A. Homburg, D.A. Muenchrath, C.S. White, S.E. Williams, C.L. Havener, and P.D. Stahl. 2002. Soil knowledge embodied in a Native American runoff agroecosystem. Proc., 17th World Cong. Soil Sci., 2002, Bangkok, Thailand.

Magazine and Newspaper Articles

Norton, J.B. 2015. Don’t volatilize your bank account: Volitization of fertilizer nitrogen and how to minimize it. Wyoming Livestock Roundup Vol. 26, No. 49, April 11, 2015.

Norton, J.B. 2015. Crop rotations impact soil quality. Wyoming Livestock Roundup Vol. 26, No. 40, February 7, 2015.

Norton, J.B. 2014. Conservation in furrow-irrigated cropping systems. Wyoming Livestock Roundup Vol 26, No. 34, December 27, 2014.

Norton, J.B. 2014. Planning leads to reclamation success. Wyoming Livestock Roundup, Vol. 26, No. 27, November 8, 2014.

Norton, J.B. 2014. Soil organic matter: what you don’t know. Wyoming Livestock Roundup, September 27, 2014.

Norton, J.B. 2014. Growing Soil and Livestock Go Together. Wyoming Livestock Roundup, June 28, 2014.

Norton, U., P. Bista*, R. Ghimire, J.B. Norton. 2014. One-time summer tillage does not negate long-term benefits of no-till. Crops and Soils: May-June: 24-25 doi: 10.2134/cs2014-47-3-6.

Norton, J.B. 2014. Conservation in furrow-irrigation cropping systems. Nutrient Digest 6 (1) http://www.extension.uidaho.edu/nutrient/newsletter.html. Guest editor for this issue.

Meeks, J., and J.B. Norton. 2013. The longer the data harvest, the more valuable the crop: The value of long-term agricultural research. Reflections Magazine.

Strom, C.F., and J.B. Norton. 2012. Controlled livestock impact for reclamation of disturbed rangelands. Reflections Magazine.

Meeks, J., P. Bista*, R. Ghimire*, R. Gebault-King*, U. Norton, and J.B. Norton. 2012. The Sustainable Agriculture Systems Project at SAREC. Reflections Magazine.

Ghimire*, R., and J.B. Norton. 2011. Alternative production approaches in Wyoming crop-range-livestock farming. Reflections Magazine 2011.

Mason*, A.M., and J.B. Norton. 2010. Researchers determining best methods to reclaim areas disturbed by energy development. Reflections Magazine 2010: 52-55.

Norton, J.B. 2010. Unharvested sugarbeets could impact 2010 crop in BHB. Northern Wyoming Daily News: March 3, 2010.

Mukhwana*, E.J., and J.B. Norton. 2009. Feeding and protecting the soil secures our future. Reflections Magazine 2009:40-43.

Norton, J.B., and C. Strom. 2009. Do livestock have a role in rangeland reclamation? Wyoming Livestock Roundup, August 2009.

Norton, J.B. 2009. Producing forage on desert soils. Wyoming Livestock Roundup 20(33):2. January 10, 2009

Norton, J.B. 2008. Alternative sources of nitrogen for Pastures & Hayland. Barnyard & Backyards, March 2008 newspaper insert.

Selected Poster Presentations

Norton, J.B. 2007. No-till grain production in Wyoming: Status and potential. In: Proceedings Vol. 7: Western Nutrient Management Conference. Salt Lake City, UT, March 8-9, 2007.

Norton, J.B., W.R. Horwath, U. Norton. 2005. Fire frequency effects on soil organic matter, vegetation, and runoff in chaparral shrublands of the Sierra Nevada Foothills. Agronomy Abstracts 2005. (Best Paper Award, 2005, SSSA Forest, Range, and Wildland Soils Meetings, Salt Lake City).

Norton, U., W.R. Horwath, J.B. Norton, T.A. Doane. 2005. Assessing seasonal greenhouse gas emissions and belowground C and N processes under different fire frequencies in soils of Sierra Nevada chaparral shrublands. Agronomy Abstracts 2005.

Norton, J.B., W.R. Horwath, U. Norton. 2004. Soil carbon and nitrogen dynamics in fire-suppressed, wildfire-burned, and prescribe-burned chaparral in the Sierra Nevada foothills. Eos, 23 November 2004 (suppl.):F371.

Grants and Contracts

2015-2017 Best Cover Crop and Tillage Management Strategies for Dryland Winter-Wheat Cropping Systems in Northern High Plains. Co-PI on Wyoming Department of Agricutlure Ag Producer Priority grant program and UWAES, $40,000. PI: U.Norton.

2015-2016 Co-PI: Mechanisms linking ecosystem N processing and hydrological transport following bark beetle-caused forest mortality. EPSCoR Seed Grant, $33,200. PI: U.Norton.

2014-18 Co-PI: Compost carryover and cover crop effects on soil quality, profitability, and cultivar selection in organic dryland wheat. USDA-OREI in collaboration with Utah State, $1,555,000 total; $305,000 UW subaward (UW PI).

2014-16  PI: Soil Organic Matter, Water Use, and Crop Response to N and P in Sugarbeet-Bean-Barley Rotations under Conservation Tillage, Cover Crops, and Limited Irrigation. UW Ag Exp. Station Competitive Grant Program, $75,000.

2014-16  PI: Soil Health, Water Use, and Fertilizer Recommendations for Sugarbeet-Dry Bean- Barley Rotations under Conservation Tillage and Limited Irrigation, Wyoming Dept of Agriculture Ag Producer Priority Grant Program, and UW AES, $40,000.

2014-15 PI: Ecosystem Science Research, Education, and Capacity Building for Students and Scholars from Kenya and Wyoming. UW Global Perspectives Grant Program, $4000.

2013-15 PI: Soil Microcapillary Barriers for Improved Reclamation. Wyoming Reclamation & Restoration Center Graduate Assistantship Award and USDI-BLM, $40,000.

2012-14 PI: Amending Soils for Successful Reclamation: Effects of Gypsum, Compost, Cover Crops, and Other Amendments on Soil Physical and Biological Properties, UW School of Energy Resources and WRRC Graduate Assistantship programs, $60,000.

2011-13 Co-PI: Using Cover Crop Mixtures to Improve Soil Health in Low Rainfall Areas of the Northern Plains, USDA-SARE, $354,405 total; $1000 UW subaward (PI).

2011-12 PI: Carbon-rich soil amendments for ecological restoration of drastically disturbed rangeland sites. UW Ag Exp Station Competitive Grant, $52,729.

2010 PI: Purchase of Shimadzu Total Organic Carbon/Nitrogen Analyzer. Special grant from UW Research Office with cost sharing from the Colleges of Agriculture and Natural Resources and Arts & Sciences, $31,000.

2010-14 Co-PI: Soil carbon and nitrogen dynamics in organic crop and forage production of the Northern High Plains Ecoregion, Wyoming and Nebraska. USDA-NIFA Organic Transitions Program, $700,000.

2010-11 Co-PI: Legume adoption practices in western central United States: economic and environmental benefits in face of increased climatic variability: Planning grant for Coordinated Agricultural Project (CAP) proposal, $56,000.

2010-14 Co-PI: Marketing opportunities and constraints confronting organic farming operations in the semiarid Northern High Plains and Intermountain region in Wyoming and Western Nebraska. USDA Organic Research and Extension Initiative, $574,642.

2010-11 PI: Norman E. Borlaug International Agricultural Science and Technology Fellows Program, Leadership Enhancement in Agriculture Program (LEAP) submitted with PhD student Jeremiah Okeyo, $20,000.

Development and transfer of conservation agriculture production systems for small-holder farms in eastern Uganda and western Kenya (PD), USAID Sustainable Agriculture and Natural Resource Management Collaborative Research Support Program, $1,385,000, 2009-2014.

Economic and environmental sustainability of conventional, reduced-input, and organic approaches on western crop-range-livestock farms (PD), USDA-NRI Agricultural Prosperity for Small and Medium Sized Farms Program, $500,000, 2009-2012.

Effects of Natural Gas Well Development and Reclamation Activities on Topsoil Properties (PD), UW School of Energy Resources Matching Grant Fund ($60,000), Questar Exploration & Production ($20,000), Encana Energy ($20,000), BP Rockies ($20,000), 2008-2011.

Watershed restoration activities for increased infiltration and water yield on the Hopi Indian Reservation, Keller-Bliesner Engineering, Logan, Utah, $8000, 2007.

Effects of cropping-system, irrigation method, and soil properties on soil nitrogen and organic matter dynamics in the Big Horn Basin, University of Wyoming Agricultural Experiment Station Competitive Grants Program, $60,000, 2008-2010.

Effects of cropping-system-related soil moisture and nutrient dynamics on the sustainability of semiarid dryland agriculture (PD), USDA-NRI Soil Processes Program, $100,000, 2008-2009.

Nitrogen fertilizer alternatives for furrow-irrigated sugar beet 2007 field Trials, Powell Research & Extension Center Advisory Board, Cooperative Extension Program, and Agricultural Experiment Station, $11,000, 2007

Soil organic matter and land use in upper montane and subalpine mountain meadows, Kearney Foundation of Soil Science, $40,000, 2005-2007;

Poplars grown with treated municipal wastewater: Production & nutrient cycling, Kearney Foundation of Soil Science, $40,000, 2006-2007

Growing crops with municipal wastewater: Workshop for wastewater officials and irrigators, Renewable Resources Extension Act, $5000, 2005-2006.

Fire management, erosion, & nutrient cycling in wildland interface shrublands, US Forest Service & Kearney Foundation of Soil Science, $230,000, 2003-2006.

Impacts of ecological restoration strategies of cheatgrass-infested rangelands on Great Basin soils, USDA-IFAFS, $27,000, 2003-2007

GIS development of Tuolumne County soil-veg inventory, USDA-NRCS, $18,000, 2004-2006;

Conservation easements: An option for land owners and land use planners (workshop series and printed manual), Renewable Resources Extension Act, $5500, 2003-2004;

Cheatgrass impacts on nutrient cycling in sagebrush-steppe soils, USDA-NRI, Utah State, $65,000, 2000-2002;

ASA Symposium: Agroecology and soil/crop management among indigenous cultures, NSF, $5,000, 1999;

Hopi watershed protection and restoration guidelines, Consulting contract with the Hopi Tribe, Kykotsmovi, Arizona, $10,000, 1999.

Soil fertility renewal in long-term Native American agriculture, NSF Ecosystem Studies, $450,000, 1995-2000;

NSF research grants for undergraduates (REU) and Zuni high school students (RAMHSS), $50,000, 1998;

Revitalization of sustainable Zuni agriculture, Ford and Lannan Foundations, $250,000, 1995-1998;

Wetland Resources of the Mesquakie Settlement, Tama, Iowa, Consulting contract with the Sac & Fox Tribes of the Mississippi in Iowa, $10,000, 1995;

Tallgrass Prairie Restoration and management: Integrated roadside vegetation management video series, Iowa Dept. of Transportation, $10,000, 1992;

Water-in-your-hands teachers guide. Soil and Water Conservation Society conservation education comic series, Soil & Water Conservation Society, $8000, 1991;

Project LS: Land stewardship & lifestyle decisions Iowa ecosystem curriculum and teacher workshops, Iowa Dept. of Education, $15,000, 1990;

These few acres: Land management on small acreages video and landowner workshops, Montana Association of Conservation Districts, $10,000, 1989.

The Montana weed project middle school curriculum and teacher workshops, Montana Dept. of Agriculture, $8000, 1989.

The Clark Fork watershed education project high school curriculum and teacher workshops, Montana Water Quality Bureau, $10,000, 1990.

Current Graduate Student Advisees in Soil Science

Erin Rooney (MS, 2018)

Onesmus Ng’etich (PhD, 2017)

 

Past Graduate Students: University of Wyoming Theses & Dissertations Chaired

Cude, Seth M. 2015. Sand capillary barriers improve grass establishment on drastically disturbed semiarid shrublands, MS.

Bast, Erin B. 2015. Effects of beavers on soil carbon and nitrogen storage and stream carbon spiraling in the pole mountain unit of Medicine Bow National Forest. MS.

Day, Samantha J. 2014. Effects of disturbance on soil properties resulting from natural gas production in Wamsutter, WY, and sodic soil reclamation with gypsum, elemental S, langbeinite, and compost. MS.

Okeyo, Jeremiah M. 2014. The effect of conservation agriculture practices on soil quality and crop productivity under contrasting smallholder farming systems in western Kenya and eastern Uganda. PhD.

Gebault King, Renée A. 2014. Phosphorus dynamics in calcareous soils of the high plains under organic management. PhD.

Ghimire, Rajan. 2013. Soil organic matter and soil microbial communities in long-term and transitional crop and forage production systems in eastern Wyoming. PhD.

Faulkner, Jennifer. 2012. Comparison of carbon rich soil amendments for reclamation of southwest Wyoming natural gas well-pads. MS.

Driessen, Cally A. 2012. Properties of reclaimed soils and their response to a controlled livestock treatment. M.S.

Mukhwana, Eusebius J. 2010. Soil organic matter, microbial community dynamics and the economics of diversified dryland winter wheat and irrigated sugar beet cropping systems in Wyoming. PhD.

Olsen, Hayley R. 2009. Soil and vegetation characteristics of montane and subalpine wet meadows, Sierra Nevada, California. MS.

Jungst, Laura J. 2008. Soil quality and stream channel characteristics of montane and subalpine riparian meadows, Sierra Nevada, California. MS. 

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