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)
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.
Here are steps to successful commercial watermelon production in the Columbia Basin and other warm-climate regions of the Pacific Northwest. You’ll learn best practices for cultivar selection, site preparation, ...
Scott Lukas, Logan Clark, Kenneth Frost, Linda Brewer |
Jun 2020 |
Extension Catalog publicationPeer reviewed (Orange level)