Publications

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.

Estimating climate change effects on grazing management and beef cattle production in the Pacific Northwest

JS Neibergs, TD Hudson, CE Kruger, K Hamel-Rieken. 2018. Climatic Change, 5-17.  

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

Comparison of Greenhouse Gas Offset Quantification Protocols for Nitrogen Management in Dryland Wheat Cropping Systems of the Pacific Northwest

TT Brown, CM Lee, CE Kruger, JP Reganold, DR Huggins. 2017. Frontiers in Environmental Science 5, 72.

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.

Building Soils for Better Crops – 2016 Conference

Design and Use of Representative Agricultural Pathways for Integrated Assessment of Climate Change in US Pacific Northwest Cereal-Based Systems

John M Antle, Jianhong E Mu, Hongliang Zhang, Susan M Capalbo, Penelope L Diebel, Sanford D Eigenbrode, Chad E Kruger, Claudio O Stöckle, JD Wulfhorst, and John T Abatzoglou. 2017. Frontiers in Ecology and Evolution 5, 99.

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

Current status of certified organic agriculture in Washington State: 2016

Kirby E. and D. Granatstein. A summary of the Washington organic sector in 2016, including certified and transition crop acres, dairy numbers, and organic farm gate sales. Additional data on national and global trends are included as well as a summary of key findings for Washington from the 2015 USDA Organic Producer Survey. Includes multi-year graphs of selected crops, dairy, and sales.  Powerpoint format.

Recent Trends in Certified Organic Tree Fruit: Washington State 2016

Kirby, E. and D. Granatstein.  Current statistics on organic tree fruit acreage trends, varieties, shipments, prices, exports, and markets. Includes some global area data and national area and production data. Annotated Powerpoint format.

Certified organic acreage and sales in Washington State: 2008-2016

Kirby, E. and D. Granatstein. Detailed tables showing specific crop acreages from 2008-2016, farm numbers and organic acres by county, and organic farm gate sales by county. Numbers of organic dairies and dairy cows are also included.

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.

Precision Agriculture

Weddell, B., T. Brown, K. Borrelli. 2017. Chapter 8 In Yorgey, G. and C. Kruger, eds. Advances in Dryland Production Systems in the Pacific Northwest. Washington State University Extension, Pullman, WA.

Disease Management for Wheat and Barley

Kirby, E., T. Paulitz, T. Murray, K. Schroeder, X. Chen. 2017. Chapter 10 In Yorgey, G. and C. Kruger, eds. Advances in Dryland Production Systems in the Pacific Northwest. Washington State University Extension, Pullman, WA.

Climate Considerations

Allen, Kruger, C.E., Abatzoglou, J., K. Rajagopalan and E.M. Kirby. 2017. Chapter 1 In Yorgey, G. and C. Kruger, eds. Advances in Dryland Production Systems in the Pacific Northwest. Washington State University Extension, Pullman, WA.

Farm Policies and the Role for Decision Support Tools

Houston, L., C. Seavert, S. Capalbo, J. Antle. 2017. Chapter 12 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.

Insect Management Strategies

Eigenbrode, S., E. Bechinski, N. Bosque-Pérez, D. Crowder, A. Rashed, S. Rondon, B. Stokes. 2017. Chapter 11 In Yorgey, G. and C. Kruger, eds. Advances in Dryland Production Systems in the Pacific Northwest. Washington State University Extension, Pullman, WA.

Integrated Weed Management

Burke, I., K. Kahl, N. Tautges, F. L. Young. 2017. Chapter 9 In Yorgey, G. and C. Kruger, eds. Advances in Dryland Production Systems in the Pacific Northwest. Washington State University Extension, Pullman, WA.

Soil Fertility Management

Borrelli, K., T. Maaz, W. Pan, P. Carter, H. Tao. 2017. Chapter 6 In Yorgey, G. and C. Kruger, eds. Advances in Dryland Production Systems in the Pacific Northwest. Washington State University Extension, Pullman, WA.

Soil Health

Awale, R., S. Machado, R. Ghimire, P. Bista.  Soil Health. Chapter 2 In Yorgey, G. and C. Kruger, eds. Advances in Dryland Production Systems in the Pacific Northwest. Washington State University Extension, Pullman, WA.

Rotational Diversification and Intensification

Kirby, E., W. Pan, D. Huggins, K. Painter, P. Bista. 2017. Chapter 5 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.

Approaches for adding value to anaerobically digested dairy fiber

Manuel Raul Pelaez-Samaniego, Rita L Hummel, Wei Liao, Jingwei Ma, Jim Jensen, Chad Kruger, and Craig Frear. 2017. Renewable and Sustainable Energy Reviews 72, 254-268.

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.

BioEarth Agricultural Adaptation Scenarios Stakeholder Workshop Summary Report

Allen, E., C.E. Kruger, K. Rajagopalan, M. Brady, K. Malek, S. Richey & J.C. Adam. (2017).  Washington State University.

Snapshot of organic farming 2016

D. Granatstein and E. Kirby. This article provides a review of key data on the Washington organic sector in 2015 and some preliminary data for 2016.  From Tilth Producers Quarterly, January 2017.

Certified organic acreage and sales in Washington State: 2007-2015

Kirby, E. and D. Granatstein. WSU Extension TB43E. July 2017. 15 pp.  Detailed tables showing specific crop acreages from 2007-2015, farm numbers and organic acres by county, and organic farm gate sales by county. Numbers of organic dairies and dairy cows are also included.

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.

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.

Birds of Prey and Dairy Farms

This video explains a variety of attempts to encourage natural predators as biocontrol for pest birds and rodents in agriculture, particularly dairies. 3 minutes. This material is based upon work that is supported by the National Institute of Food and Agriculture, USDA under award number FW14-012 Western Sustainable Agriculture Research and Education (WSARE). Opinions expressed are those of the researchers.

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.

Cellulosic Ethanol in the Pacific Northwest

Research and outreach website. This project was directed by Gregmar I. Galinato, with co-directors Suzette P. Galinato, C. Richard Shumway, and Jonathan K. Yoder.  In an era of increased concern about the influence of carbon on the environment, the U.S. government has intervened, requiring the use of biofuels in an attempt to reduce dependence on fossil fuels. This project focuses on one of those biofuels, cellulosic ethanol, and the countervailing forces influencing its development, especially in the Pacific Northwest.

Profits from pollutants: Economic feasibility of integrated anaerobic digester and nutrient management systems

Astill, G.M. and C.R. Shumway.  Journal of Environmental Management. 2016. In Press.

Phosphorus Uptake by Potato from Fertilizers Recovered from Anaerobic Digestion

Collins, H. P., E. Kimura, C. S. Frear, and C. E. Kruger. 2016. Agron. J. 108:2036-2049. doi:10.2134/agronj2015.0302

Washington State Farmers Market Management Toolkit

Kinney, K. & C. Donovan. 2016. The “Washington State Farmers Market Management Toolkit” is designed to provide timely information, tips, and templates to farmers market managers, board members, volunteers and other organizers as they negotiate the ever-increasing demands of running a farmers market.  All chapters are available for download.

Economic Feasibility of Anaerobic Digester Systems with Nutrient Recovery Technologies

Galinato, S. P., C. E. Kruger, and C. Frear. Sept. 2016. WSU Fact Sheet TB27E. This publication analyzes the economic feasibility of three nutrient recovery technologies that work in tandem with anaerobic digester systems. This fact sheet is part of the AD Systems Series.

Current status of certified organic agriculture in Washington State: 2015

Kirby E. and D. Granatstein. A summary of the Washington organic sector in 2015, including certified and transition crop acres, dairy numbers, and organic farm gate sales. Additional data on national and global trends are included as well as a summary of key findings for Washington from the 2014 USDA Organic Producer Survey. Includes multi-year graphs of selected crops, dairy, and sales.  Powerpoint format.

Recent Trends in Certified Organic Tree Fruit: Washington State 2015

Kirby, E. and D. Granatstein.  Current statistics on organic tree fruit acreage trends, varieties, shipments, prices, and exports. Includes some global area data and national area and production data. Annotated Powerpoint format.

Assessing the effect of different treatments on decomposition rate of dairy manure

Khalil, Tariq M. , Stewart S. Higgins, Pius M. Ndegwa, Craig S. Frear, Claudio O. Stöckle.  Journal of Environmental Management, Volume 182, 1 November 2016, Pages 230-237, ISSN 0301-479.

Global situation for organic tree fruits

David Granatstein, Elizabeth Kirby, Harold OstensonHelga Willer. 2016. Scientia Hort. 208:3-12. Review of area, yields, and economics.

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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