Yorgey Publications

51 Publications

Approaches to Nutrient Recovery from Dairy Manure

Frear, C., J. Ma, G. Yorgey. 2018. WSU Fact Sheet EM112E. This fact sheet is part of the AD Systems Series.

Advancing Organics Management in Washington State: The Waste to Fuels Technology Partnership 2015-2017 Biennium

Chen, S., Frear, C., Garcia-Pérez, M., Kruger, C., Ewing, T., Jensen, J., Yorgey, G., Gang, D.R., Amonette, J., Ayiania, M., Berim, A., Botella, L., Carbajal Gamarra, F.M., Cleary, J., Dunsmoor, A., Finch, R.W., Fuchs, M., Haghighi Mood, S., Hall, S.A., Han, Y., Jobson, B.T., Long, R., Ma, J., Mainali, K., Moller, D., Neuenschwander, L., Seker, A., Sjoding, D., Stankovikj, F., Suliman, W., Tanzil, A., Terrell, E., Tran, C-C., Xiong, X., Yu, L. 2018. Compiled and edited by Hills, K., Hall, S.A., Saari, B., Zimmerman, T. Waste 2 Resources, Washington State Department of Ecology Publication No. 18-07-010. Olympia, Washington. 424 pp. June 2018.

Impacts of near-term climate change on irrigation demands and drop yields in the Columbia River Basin

Rajagopalan, K., K.J. Chinnayakanahalli, C.O. Stockle, R.L. Nelson, C.E. Kruger, M.P. Brady, K. Malek, S. Dinesh, M.E. Barber, A.F. Hamlet, G.G. Yorgey, and J.C. Adam. 2018. Water Resources Research.

Completing a Successful Feasibility Study for an Anaerobic Digestion Project

Jensen, J., C. Frear, C. Kruger, G. Yorgey. Jan. 2018. WSU Fact Sheet FS292E. This fact sheet is part of the AD Systems Series.

Technology Research and Extension Related to Anaerobic Digestion of Dairy Manure, 2015-2017 Biennium

Garcia-Pérez, M., Chen, S., Kruger, C., Yorgey, G., Ai, P., Ayania, M., Dunsmoor, A., Englund, K., Ewing, T., Frear, C., Gao, A., Ghoghare, R., Hall, S.A., Jensen, J., Ma, J., Manoharan, G., Martinez, J., Nasir, A., Parlina, I., Pelaez-Samaniego, M.R., Pereira-Ferraz, G., Rajagopalan, K., Smith, M., Suliman, W., Wang, D., Yao, Y., Yu, L. 2017. Compiled and edited by Hills, K., Hall, S.A., Saari, B., Zimmerman, T. A Project Report for the Washington State University Agricultural Research Center and the Washington State Department of Agriculture. 173 pp.

Integrating historic agronomic and policy lessons with new technologies to drive farmer decisions for farm and climate: The case of Inland Pacific Northwestern U.S.

Pan, W., W. Schillinger, F. Young, E. Kirby, G. Yorgey, K. Borrelli, E. Brooks, V. McCracken, T. Maaz, S. Machado, I. Madsen, J. Johnson-Maynard, L. Port, K. Painter, D. Huggins, A. Esser, H. Collins, C. Stockle, and S. Eigenbrode. 2017. Frontiers in Environmental Science. 5:76. doi: 10.3389/fenvs.2017.00076

Video: Recovering Nutrients from Manure – New Tools for Maintaining Air and Water Quality

Hall, S., and G.G. Yorgey. 2017.  Produced by CAHNRS Communications. Washington State University, Pullman, WA.  This video profiles two Washington State dairies – Edaleen Dairy and Royal Dairy – who have implemented new technologies that partition, and in some cases recover, some of the nitrogen and phosphorus in manure. The video discusses both the potential that these new tools have to improve manure management for dairies, and some of the challenges that remain.

Northwest U.S. Agriculture in a Changing Climate: Collaboratively Defined Research and Extension Priorities

Georgine Yorgey, Sonia A. Hall, Elizabeth Allen, Elizabeth Whitefield, Nichole Embertson, Vincent P. Jones, Kirti Rajagopalan, Brooke R Saari, Gabrielle Roesch-McNally, Bea Van Horne, John Abatzoglou, Harold P. Collins, Laurie Houston, Timothy W Ewing, and Chad E. Kruger,  Front. Environ. Sci., 31 August 2017

Biofumigant Cover Cropping in Potatoes: Dale Gies (Farmer to Farmer Case Study Series)

Yorgey, G.G., S.I. Kantor, C.E. Kruger, K.M. Painter, H. Davis, and L.A. Bernacchi. 2017. Pacific Northwest Extension Publication 693, Pullman, WA.

Crop Residue Management

Tao H., G. Yorgey, D. Huggins, D. Wysocki. 2017. Chapter 4 In Yorgey, G. and C. Kruger, eds. Advances in Dryland Production Systems in the Pacific Northwest. Washington State University Extension, Pullman, WA.

Soil Amendments

Yorgey, G., W. Pan, R. Awale, S. Machado, A. Bary. 2017. Chapter 7 In Yorgey, G. and C. Kruger, eds. Advances in Dryland Production Systems in the Pacific Northwest. Washington State University Extension, Pullman, WA.

Advances in Dryland Farming in the Inland Pacific Northwest

Georgine Yorgey and Chad Kruger, Eds. 2017. Washington State University Extension. Pullman, WA.

Conservation Tillage Systems

Bista P., S. Machado, R. Ghimire, G. Yorgey, D. Wysocki. 2017. Chapter 3 In Yorgey, G. and C. Kruger, eds. Advances in Dryland Production Systems in the Pacific Northwest. Washington State University Extension, Pullman, WA.

Agriculture in a Changing Climate: Research and Extension Priorities in the Northwest

Yorgey, Georgine; Kruger, Chad; Saari, Brooke; Hall, Sonia A.; Whitefield, Elizabeth; Embertson, Nichole;  Jones, Vincent P. Rajagopalan, Kirti; Allen, Elizabeth; Roesch-McNally, Gabrielle; Van Horne, Beatrice; Abatzoglou, John; Collins, Hal; Houston, Laurie; Seavert, Clarke; Ewing Timothy. (2017). Technical Publication from the Agriculture in a Changing Climate Workshop, held in Kennewick, WA, March 9-11, 2016. Published February 28, 2017.

Grazed cover cropping: Drew Leitch (Farmer to Farmer Case Study Videos)

Yorgey, G.G., K. Borrelli, and K. Painter. 2017. Produced by Darrell Kilgore and WSU CAHNRS Communications. Pullman, WA.

Farmer to Farmer Case Study Video: Grazed Cover Cropping

Yorgey, G.G., K. Borrelli, and K. Painter. 2017. Produced by Darrell Kilgore and CAHNRS Communications. Pullman, WA. Drew Leitch is experimenting with cover cropping to provide supplemental feed for his cow-calf operation, while improving soil health for his dryland crop operation.

Stripper Header and Direct Seeding: Ron and Andy Juris (Farmer to Farmer Case Study Series)

Yorgey, G.G., K. Borrelli, K.M. Painter, and H. Davis. 2017. Pacific Northwest Extension Publication 694, Pullman, WA.

Technical Supplement for the Columbia River Basin Long-Term Water Supply and Demand Forecast

Adam, J.C., M. Barik, J. Yoder, M.P. Brady, D. Haller, M.E. Barber, Hall, S.A., C.E. Kruger, G.G. Yorgey, M. Downes, C.O. Stockle, B. Aryal, T. Carlson, G. Damiano, S. Dhungel, C. Einberger, K. Hamel-Reiken, M. Liu, K. Malek, S. McClure, R. Nelson, M. O’Brien, J. Padowski, K. Rajagopalan, Z. Rakib, B. Rushi, W. Valdez. 2017. Publication No. 16-12-008. Washington Department of Ecology, Olympia, WA. 216 pp.

Strip tillage of vegetables with livestock integration: Eric Williamson (Farmer to Farmer Case Study Videos).

Yorgey, G.G., K. Borrelli, A. McGuire, and K. Painter. 2017. Produced by Darrell Kilgore and CAHNRS Communications. Pullman, WA.

Climate science information needs among natural resource decision-makers in the Northwestern U.S.

Allen, E., J. Stephens. G.G. Yorgey, C.E. Kruger, S.M. Ahamed, and J.C. Adam. 2017. Climate Services, 5, 11-22.

Digested Fiber Solids: Methods for Adding Value

Jim Jensen , Dr. Craig Frear , Dr. Jingwei Ma , Chad Kruger , Rita L. Hummel , Georgine Yorgey , WSU Fact Sheet FS235E. November 2016.  This publication describes the composition and separation process for fibrous solids that result from the digestion of dairy manures. It also reviews both current and future potential uses of fiber. This fact sheet is part of the AD Systems Series.

Considerations for Incorporating Co-Digestion on Dairy Farms

Kennedy, N., G. Yorgey, C. Frear, and C.E. Kruger. July 2016. WSU Fact Sheet EM088E. This publication discusses the impacts of incorporating co-digestion at dairy-based anaerobic digesters. That is, mixing manure with non-manure waste in anaerobic digesters. This information is based on stakeholder perspectives and a literature review of infrastructure, operational upgrades, and related costs and revenues when non-manure wastes are added to dairy digesters. This fact sheet is part of the AD Systems Series.

Anaerobic digestion effluents and processes: the basics

S. M. Mitchell, N. Kennedy, J. Ma, G. Yorgey, C. Kruger,  J. L. Ullman, C. Frear.  Sept 2015. WSU Fact Sheet FS171E. This fact sheet reviews the basic elements of anaerobic digestion and the process used by digesters, including the types of digesters, biochemistry of influents and effluents, laboratory evaluations and optimizing anaerobic digesting through modeling. This fact sheet is part of the AD Systems Series.

On-Farm Co-Digestion of Dairy Manure with High-Energy Organics

N. Kennedy, G. Yorgey, C. Frear, C. Kruger 2015. WSU Fact Sheet FS172E. This publication focuses on pre-consumer food wastes that can sustainably be used as substrates for co-digestion with dairy manure and increase the value of co-products. Topics covered include complementary and problematic substrates, the substrate procurement process, regulations, and solutions for co-digestion processing issues. This fact sheet is part of the AD Systems Series.

Biogas Upgrading on Dairy Digesters

N. Kennedy, G. Yorgey, C. Frear, D. Evans, J. Jensen, C. Kruger. 2015. WSU Fact Sheet FS180E.  This fact discusses the chemical composition of renewable natural gas, the most appropriate end-use options for dairy digesters, and some of the more common techniques used to clean biogas to RNG quality at dairy digesters. This fact sheet is part of the AD Systems Series.

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