This publication describes the use of postharvest soil nitrate testing as a tool for assessment of nitrogen (N) management in manured cropping systems west of the Cascade Mountains in Oregon, Washington, and south coastal British Columbia.
Dan M. Sullivan, Craig G. Cogger, Andy I. Bary, Shabtai Bittman, Linda Brewer |
Mar 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Photo: Linda Tucker Serniak, PhD candidate at Oregon State University and Joanne Schneidermann Dole, Master Gardener (Cropped from original)
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.
There are lots of gardening tasks to complete in April, including fertilizing your lawn and preparing soil and raised garden beds. Learn more in this guide.
For Oregon gardeners, May is a busy month. It's time to check soil temperatures, establish irrigation systems, and to start planting flowers and vegetables. Learn more in this guide.
Apr 2021 |
Article
Credit Wyatt Williams, Oregon Department of Forestry (Cropped from original)
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 U.S. Department of Agriculture (Cropped from original)
OSU Extension Master Gardeners have planted two small silverspot butterfly beds at the Master Gardener demonstration gardens in Lincoln City and Yachats to draw the silverspot to a friendly place for food and shelter.
Kym Pokorny |
Mar 15, 2023 |
News story
Credit mandamasprime, some rights reserved (CC-BY-NC). / CC BY-NC
(Cropped from original)
Four Extension faculty and one research assistant gave presentations at the Farwest Show, which annually draws an estimated 5,000 attendees to the Oregon Convention Center and nursery tours.