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)
These best practices for wells, ponds and other water systems can help you secure a safe, reliable water supply and help to ensure that we protect our streams, lakes and groundwater.
A codling moth goes through several stages in its life cycle. If you're trying to prevent damage to apples and other fruit, it helps to know when adults and larvae are active.
You may have encountered white, segmented “worms” or grubs when chopping firewood and wondered what they were. Common questions include, did they kill my tree? And are they a danger to other trees? The quick answers are no, and no.
Candace Stoughton, Low Impact Development Specialist, gives a tour of the East Multnomah Soil & Water Conservation District building and the many demonstration projects on the grounds that soak up stormwater