The jumping worm, an invasive species new to Oregon, harms the soil by reducing it to granules, making it more porous and less able to retain water. Here's how to identify jumping worms and help stop their spread.
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.
Japanese beetle is a destructive insect moving its way west across the U.S. — including to sites in Oregon. Take part in early detection to prevent its spread. Learn to identify and scout for Japanese ...
Heather Stoven, Jessica Rendon, Gail Langellotto, Silvia I. Rondon |
Jun 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.
Collection of forage resources, mostly for Coastal Oregon regions. Includes studies on fiber digestibility, phosphoric soil, rations, and cost/benefit of growing and buying locally grown forages.
Aug 2018 |
Collection
Photo courtesy of Oregon Department of Agriculture (Cropped from original)
The Japanese beetle is an invasive pest that has established itself in parts of the US. In 2016, a breeding population was found in Oregon, which triggered an eradication effort and a call to report sightings.
Invasive nonnative plants are a serious subject for gardeners, farmers, the general public, and land managers. Understanding invasive species and how to control them is becoming increasingly important for gardeners.
Robert Emanuel, Linda R. McMahan, Lynette Black |
Aug 2011 |
Extension Catalog publicationPeer reviewed (Orange level)