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)
Silage corn is an excellent feed for dairy cattle because of its high dry-matter yield, energy content and palatability. This guide provides nutrient and lime recommendations for silage corn established after ...
Dan M. Sullivan, Troy Downing, Linda Brewer, John M. Hart |
Mar 2023 |
Extension Catalog publicationPeer reviewed (Orange level)
Phytophthora species are water molds that can kill plants. They can spread undetected in container plants and equipment. Once they are introduced to an ecosystem, it's difficult or impossible to eradicate them. ...
Norma Kline, Marianne Elliott, Jennifer Parke, Dan Stark, David C. Shaw, Alicia Christiansen |
Jan 2022 |
Extension Catalog publicationPeer reviewed (Orange level)
A guide for homeowners, small woodland owners, resource managers, and conservation groups to recognize, prevent, and manage Sudden Oak Death. This publication can be downloaded in two different formats. The "PDF" ...
Norma Kline, Sarah Navarro, David C. Shaw |
Oct 2018 |
Extension Catalog publicationPeer reviewed (Orange level)
Credit: Oregon Department of Forestry (Cropped from original)
A heat wave can turn a hydrangea's lush green leaves and beautiful blooms brown and brittle in no time. But it doesn't have to be that way. Here's what gardeners can do to protect hydrangeas from the heat.