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Perspectives on Sustainability - CSANR Blog

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

    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.

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

    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.

  • Farm Incubator Programs in Higher Education

    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!

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