Currently, the emerald ash borer has been found in trees only in Washington County, where a quarantine prohibits moving ash (Fraxinus) or fringe tree (Chionanthus) wood in or out of the area.
Kym Pokorny |
Jul 28, 2023 |
News story
Credit: Cade Martin, Centers for Disease Control (Cropped from original)
Nitrate can contaminate well water, leading to serious health conditions. Learn how to prevent nitrate from getting in your well and how to remove nitrate from your drinking water.
Veronica Irvin, Molly Kile, Chrissy Lucas, Laura Neilson, Lilly Anderson |
Jun 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
An ecological approach to landscape design incorporates natural systems as an integral part of urban landscapes. It differs from conventional landscaping in that buildings, hardscape, and landscape are planned as a ...
While relatively healthy, forests in western Oregon face threats from climate stress, insects and disease. Here's a look at forest management strategies to cope with those threats and keep the state's forests healthy.
This is a bilingual publication (English and Spanish) for landscape workers and the public to help them protect Oregon birch trees from this damaging pest. Includes insect identification, host plants, signs and ...
This publication summarizes the learner-centered education methods and community outcomes of three Extension partnerships. These projects increased the use of integrated pest management and pesticide risk reduction practices...
Mary Halbleib, Cassie Bouska, Gordon B. Jones, Darrin Walenta |
Jul 2021 |
Extension Catalog publicationPeer reviewed (Orange level)
Assesses economic potential of growing six oilseeds--canola, flax, camelina, yellow mustard, sunflower, and safflower--in Oregon's Willamette Valley for biodiesel production. Evaluates costs and returns from feedstock ...
In recent years, cherry growers in the Pacific Northwest and elsewhere have embraced high-density systems that put twice as many trees in the same amount of space. Here's a look at how their efforts are working out.
Lynn Long, Tim Facteau, Roberto Nuñez-Elisea, Helen Cahn |
Jun 2018 |
Article