2014 Publications

The Rationale for Recovery of Phosphorus and Nitrogen from Dairy Manure

Yorgey, G., C. Frear, C. Kruger, T. Zimmerman. 2014. WSU Extension Fact Sheet FS136E.

Perspective on Dietary Risk Assessment of Pesticide Residues in Organic Food

Benbrook, C. and B. Baker. May 2014. Sustainability.

Productivity, economics, and fruit and soil quality of weed management systems in commercial organic orchards in Washington State, USA

Granatstein, D., P. Andrews, and A. Groff. May 2014. Organic Agriculture. DOI 10.1007/s13165-014-0068-0

Certified organic acreage and sales in Washington State: 2013

Detailed tables showing specific crop acreages from 2006-2013, farm numbers and organic acres by county, and organic farm gate sales by county (through 2012).

Current status of certified organic agriculture in Washington State: 2013

A summary of the 2013 organic crop acres, livestock numbers and organic farm gate sales in the state.  Includes multi-year graphs of selected crops. Powerpoint format.

Site-Specific Trade-offs of Harvesting Cereal Residues as Biofuel Feedstocks in Dryland Annual Cropping Systems of the Pacific Northwest, USA

Huggins, D.R., C.E. Kruger, K.M. Painter, D.P. Uberuaga. BioEnergy Research. June 2014, Volume 7, Issue 2, pp 598-608.

BioEarth: Envisioning and developing a new regional earth system model to inform natural and agricultural resource management

Adam, J. C., J. C. Stephens, S. H. Chung, M. P. Brady, R. D. Evans, C. E. Kruger, B. K. Lamb, M. Liu, C. O. Stöckle, J. K. Vaughan, K. Rajagopalan, J. A. Harrison, C. L. Tague, A. Kalyanaraman, Y. Chen, A. Guenther, F. Leung, L. R. Leung, A. B. Perleberg, J. Yoder, E. Allen, S. Anderson, B. Chandrasekharan, K. Malek, T. Mullis, C. Miller, T. Nergui, J. Poinsatte, J. Reyes, J. Zhu, J. S. Choate, X. Jiang, R. Nelson, J. Yoon, G. G. Yorgey, K. Johnson, K. J. Chinnayakanahalli, A. F. Hamlet, B. Nijssen, and V. Walden. Climatic Change, 2014. (DOI) 10.1007/s10584-014-1115-2

Nitrogen Management and Climate Change Mitigation in Pacific Northwest Cropping Systems

Yorgey, G. 2014. Recorded webinar. Part of Pacific Northwest Agriculture and Climate Change Webinar Series available here: http://csanr.wsu.edu/webinars/pnw-ag-and-climate-change/ .

Nitrous Oxide Emissions in Inland Pacific Northwest Cropping Systems

Yorgey, G. 2014. Recorded webinar. Part of Pacific Northwest Agriculture and Climate Change Webinar Series available here: http://csanr.wsu.edu/webinars/pnw-ag-and-climate-change/ .   Flux Tower 3-minute video referenced in presentation.

Nitrogen Cycling and Losses in Agricultural Systems

Borrelli, K. 2014. Recorded webinar. Part of Pacific Northwest Agriculture and Climate Change Webinar Series available here: http://csanr.wsu.edu/webinars/pnw-ag-and-climate-change/ .

Management to Reduce N2O Emissions in Organic Vegetable Production Systems

Cogger, C., A. Fortuna, D. Collins. Feb 27, 2014. The second of a two-part webinar series on Greenhouse Gas Emissions and Soil Quality in Long-term Integrated and Transitional Reduced Tillage Organic Systems.

This is the focus of our current research. How do different organic vegetable production systems affect N2O emissions, and how do other outcomes of those systems affect their potential for adoption?

  • Systems include full tillage with high-carbon amendment (compost), full tillage with low carbon amendment (broiler litter), pasture-vegetable rotation, and reduced tillage cover crop mulch.
  • Measurements include N2O and CO2 emissions, soil N, microbial ecology focused on denitrification organisms, crop yield, and soil quality. Measurements are focused on key times during the season, including amendment application and tillage, irrigation, and freeze-thaw.

Intended audience is other researchers, and interested extension faculty and farmers.

Why the Concern about Nitrous Oxide Emissions?

Cogger, C., A. Fortuna, D. Collins. Feb 25, 2014. The first of a two-part webinar series on Greenhouse Gas Emissions and Soil Quality in Long-term Integrated and Transitional Reduced Tillage Organic Systems.

Topics for this webinar include:

  • Source and properties of N2O as a greenhouse gas, its relative contribution to global
  • warming, and the role of agriculture in N2O emissions
  • Review of the nitrogen cycle and the production of N2O
  • The relationship between organic practices and N2O production
  • How we measure N2O emissions

Intended audience is extension faculty and farmers who want a big picture perspective on why we’re interested in nitrous oxide emissions.

Organic Apple Market Update

Miles, Matt. Current situation as of Jan. 1, 2014 and comparison of trends for this year’s crop versus last year.  Powerpoint format.

Organic Tree Fruit Trends 2013

Granatstein, D. and E. Kirby.  Current statistics on acreage trends, varieties, shipments, prices, and exports. Powerpoint format.