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Could predatory flies provide early season control of spotted wing drosophila in red raspberry?

Posted by Beverly Gerdeman | May 22, 2017

Featured BIOAg research: Potential for early season control of spotted wing drosophila by predatory flies (Scathophagidae) as a secondary benefit of manure amendments in red raspberry

Spotted wing drosophila on raspberry [male in focus (L), female out of focus (R)]. Photo: B. Gerdeman

Spotted wing drosophila (SWD), Drosophila suzukii, is considered the most important pest of soft fruit in Washington State. Current control methods require weekly insecticide applications, which are unsustainable. So far however, no effective biological controls have been identified. Large numbers of yellow dung flies were observed in a Whatcom County red raspberry field following an early spring manure application. This prompted an investigation into the potential of yellow dung flies to impact SWD populations by feeding on overwintering females returning to berry fields early spring.

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Using the BioEarth Modeling Framework to Understand the Sources, Transport and Fate of Atmospheric Nitrogen in the Pacific Northwest

Posted by Liz Allen | May 18, 2017

Researchers: Serena Chung, John Harrison, Brian Lamb, and Tsengel Nergui

Widespread use of synthetic nitrogen fertilizers and fossil fuel combustion have led to significant increases in reactive nitrogen emissions and deposition globally. Emissions are any transfer of nitrogen compounds from the Earth’s surface to the atmosphere, while deposition describes transfer from the atmosphere back to the surface. Excess nitrogen is a serious environmental concern for many reasons including causing eutrophication of terrestrial and aquatic systems and contributing to global climate change. Within the Northwest, there are pressing questions about the degree to which agricultural practices contribute to excess nitrogen and its associated environmental consequences. Read more »

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Farm Incubator Programs in Higher Education

Posted by Alex Shih | May 11, 2017

This year CSANR sponsored registration for several WSU students to attend the Tilth Conference.  We have posted reflections written by the students over the past several months. Please feel free to comment and give these students your feedback.

2016 was an historic year for the annual Tilth Conference; for the first time this region-wide event was organized by two well-known and respected organizations in Washington State – Seattle Tilth and Tilth Producers of Washington. The recent merger of these two organizations under the new name, Tilth Alliance, is a large step toward building greater awareness and adoption of sustainable agriculture practices in the future. Congratulations! Read more »

Social & Soil Networks

Posted by Tyler Sabin | May 8, 2017

This year CSANR sponsored registration for several WSU students to attend the Tilth Conference.  We will be posting reflections written by the students over the next several weeks. Please feel free to comment and give these students your feedback.

The Tilth Conference was a highly informative and welcoming experience to attend. As an organic agriculture undergraduate citing articles and extension publications, I find it rewarding to have the opportunity to meet the men and women doing the research. As an intern researching cover crops out of Pullman, I enjoyed the chance to discuss methods and results with the researchers doing similar work full time on a large scale. I found the information shared during the presentations by Nick Andrews and Doug Collins, both renowned for their work with cover crops, to be helpful in framing what I had seen firsthand. Their presentations also helped put my mind at ease knowing that even at the professional level, researchers are facing similar struggles to those that I encountered during my internship. Read more »

With heirloom varieties, Grant Gibbs takes a unique slice of the apple market pie

Posted by Sajal Sthapit | May 4, 2017

This year CSANR sponsored registration for several WSU students to attend the Tilth Conference.  We will be posting reflections written by the students over the next several weeks. Please feel free to comment and give these students your feedback.

Photo: E. Palikhey/LI-BIRD

Washington grown apples are among the best in the world. The state produces more apples than any other state in the USA. The apple is also Washington’s number one agricultural commodity valued at USD 2.18 billion in 2013. Read more »

Functionality of microbiome in the soil system

Posted by Likun Wang | May 1, 2017

This year CSANR sponsored registration for several WSU students to attend the Tilth Conference.  We will be posting reflections written by the students over the next several weeks. Please feel free to comment and give these students your feedback.

As a PhD student in the Department of Plant Pathology, I recently attended the Tilth Conference in Wenatchee, which provided me the opportunity to hear great presentations and spark my thinking on the topic of microbiomes. I am currently working on Brassica seed meal amendments for suppressing apple replant disease under the supervision of Dr. Mark Mazzola.  Several presentations, including one by Dr. Mazzola, were inspiring to me at the conference. Read more »

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Exploring Climate Change Adaptation Strategies for Agriculture in the Northwest

Posted by Liz Allen | April 27, 2017

One of the best things about my work is that it connects me with researchers from a wide range of disciplinary backgrounds who are committed to conducting science that informs natural resource management decisions.  I’ve been fortunate to work with WSU researchers studying regional climate change impacts for nearly 6 years now, and over that time many of my academic colleagues have developed new skills related to communicating their research to diverse audiences. I’ve also witnessed scientists’ growing interest in learning from stakeholders who make decisions about managing agricultural and natural resources “out there in the real world”. Read more »

My First Tilth: educational, informative and full of surprises

Posted by Tuong Vu | April 19, 2017

This year CSANR sponsored registration for several WSU students to attend the Tilth Conference.  We will be posting reflections written by the students over the next several weeks. Please feel free to comment and give these students your feedback.

My name is Tuong Vu, an undergraduate of the Organic Agriculture Systems major at Washington State University. About five years ago, I was very involved with my family’s restaurant but was never content with the food inventories we purchased from our main distributors (big, national suppliers). I wanted to look our customers in the eye and be proud to tell them that they are getting local, seasonal, fresh, healthy, and tasty foods. As a result, I motivated myself to go back to school to produce or contribute to the production of high quality food. The College of Agricultural, Human, and Natural Resource Sciences at WSU has excited me even more by introducing the theme of agricultural sustainability that touches on so many, if not all, aspects of society. Attending the Tilth Conference was a part of the great learning experience I am receiving at WSU; it was educational, informative, and full of surprises. I’d like to share some of my personal experiences through this CSANR Perspectives on Sustainability blog. Read more »

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Let the worms do the work – Critters help dairies manage manure

Posted by Sonia A. Hall | April 18, 2017

Got milk? Dairies are in the milk business, but must also manage manure produced along the way, and the potentially useful nutrients it holds. Photo: NRCS in Oregon under CC BY-ND 2.0.

Managing manure is a big part of what goes on at the “back end” of a dairy. Doing it well is important to avoid impacts on surrounding neighbors due to odors, impacts on air and water quality, or the release of unnecessary amounts of greenhouse gases such as methane or nitrous oxides (which, by the way, are respectively 28 and 265 times more powerful as global warming “blankets” than carbon dioxide). There are multiple technologies being developed, tested, and used to improve manure management in dairies. These include anaerobic digestion, which produces bioenergy and helps reduce odors (we provided an overview about a year ago in this article). Nutrient recovery technologies are another aspect being studied. These are an array of different technologies that allow us to collect the potentially useful nitrogen and phosphorus found in manure, so it can be used productively rather than contributing to climate change or other issues. Read more »

Tilth Producers Annual Conference: The art of storytelling and its place in science

Posted by Zack Frederick | April 6, 2017

This year CSANR sponsored registration for several WSU students to attend the Tilth Conference.  We will be posting reflections written by the students over the next several weeks. Please feel free to comment and give these students your feedback.

The Tilth Producers annual conference represents a mix of growers, industry stakeholders, educators, and students, each with their own perspective on a variety of sustainable and organic farming practices. As is the case in any heterogeneous audience, the challenge for a presenter is to find a way to engage individuals with different learning styles and interests and spur thoughtful discussion, while relaying the nitty gritty detail in the data. This is not easy. Read more »

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