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)
Q: I realize ivy is considered an invasive plant, however, we like it and are using it for erosion control. We recently planted cuttings with the help of root hormone powder. My question: is this an okay time to have planted this so that it can thrive?
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.
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.
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.
Presentation by Silvia Rondon on Insect Ecology. Topics covered include types of metamorphosis, effects of temperature on development, how temperature affects SWD and potato tuberworm.
Q: I have what I believe is a Kirk Walnut in my yard. It has a large hollow that is gathering water. I'm worried that this watery situation will rot the heart of the tree. I'd love to preserve this historic beauty. It ...