PAM is a synthetic water-soluble polymer composed of molecules of acrylamide. PAM binds soil particles together, causing them to settle out and not be carried away in runoff water. This prevents soil loss and ...
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.
Oregon ash thrives in many areas of western Oregon, from floodplains to foothills. But this key tree is threatened by the spread of an invasive beetle known as the emerald ash borer, which kills ash. This ...
This collection has information on soil testing and ferilizing, renovation. forage management , hay, irrigation, feeding values, forage types, forage anti-quality factors, leasing pastures and more.
Shelby Filley |
Aug 2019 |
Collection
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 ...
Pacific Northwest blueberry growers must identify and control a number of bacterial and fungal diseases in order to ensure the highest yields. Fortunately, only a few of the diseases that occur on highbush blueberry in this region cause significant losses when left unchecked.
Jay W. Pscheidt, Jerry Weiland |
Mar 2015 |
Article
Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.