Invasive annual grasses are a threat to the Great Basin desert ecosystem. They compromise habitat diversity for important wildlife species such as the greater sage-grouse. They shorten the grazing season for ...
Fara Brummer, Peter Schreder, Grace Haskins, Jason Jaeger |
Feb 2018 |
Extension Catalog publicationPeer reviewed (Orange level)
Russian olive trees are fast-growing plants that since the 1950s have become invasive throughout many areas of the Inland Pacific Northwest, particularly in riparian ecosystems. They form impenetrable masses, create ...
Covers the history of yellow starthistle (Centaurea solstitialis L.) invasion of the Pacific Northwest and describes current infestation levels in Oregon and Washington. Provides basic information regarding yellow ...
Larry L. Larson, Roger Sheley, Michael McInnis, Gary Kiemnec |
Jan 2008 |
Extension Catalog publicationPeer reviewed (Orange level)
Learn how to identify some common insects that prey on garden pests. See what they look like at various life stages, and learn how to encourage beneficial insects in your garden or nursery. Print this pocket guide on letter-size paper and cut pages as indicated to make a booklet.
Melissa Scherr, Robin Rosetta, Lloyd Nackley |
Mar 2021 |
Extension Catalog publicationPeer reviewed (Orange level)
Nitrogen, phosphorus and potassium aren't just an alphabet soup of chemicals. They are essential plant nutrients that, when used correctly, help to grow a healthy garden. Learn what fertilizers to apply when in this handy guide.
Many of the invasive plant species introduced to the United States originated as garden plants. Learn what you need to know to prevent future invasions.
Linda R. McMahan, Joy Jones, Robert Emanuel |
Jul 2011 |
Extension Catalog publicationPeer reviewed (Orange level)
Outlines the basic principles and and safety issues of cutting down (felling) and cutting up (bucking ) trees. Covers clothing and equipment, timber-felling plans, evaluating tree-felling conditions and the target tree...
Invasive plants disrupt ecosystems and have no place in streamside gardens. But these plants can be tempting because of their showy flowers and cheap prices.
Tansy ragwort, an invasive weed that can harm certain types of livestock, is making a comeback in western Oregon. Find out how to control it and protect your animals.
Shelby Filley, Andy Hulting, Gene Pirelli, Eric Coombs |
Aug 2011 |
Article
Photo by Judith Ann Kowalski (Cropped from original)
Introducing beneficial insects to Christmas tree farms as part of an integrated pest management program may seem overwhelming. Where to begin? First step: Create habitat that attracts and sustains the beneficial insects.