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 from Flickr by Stephen Mills, CC BU-NC 2.0. (Cropped from original)
Land-grant soil scientists in the Pacific Northwest have written this publication to share information and to relate in-depth the wheat and N management issues related to grain protein enhancement. The focus is on ...
Bradford D. Brown, Mal Westcott, Neil W. Christensen, Bill Pan, Jeff Stark |
Mar 2005 |
Extension Catalog publicationPeer reviewed (Orange level)
Most Christmas tree growers fertilize with nitrogen (N) intending to improve tree color, growth, and ultimately value. Where does the fertilizer go after application? How much is actually taken up by the trees, stored in the ...
Chal Landgren, Michael Bondi, Steve Webster, Rick Fletcher |
Jul 1994 |
Article
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.
Mature cattle grazing in pastures with rapidly growing grass are sometimes afflicted with a disease called grass tetany. The cause is a lack of magnesium in the grass. Here's what to look for and how to treat it.
Tansy ragwort, an invasive weed that can harm certain types of livestock, is making a comeback in western Oregon. Find out how to control it and protect your animals.
Shelby Filley, Andy Hulting, Gene Pirelli, Eric Coombs |
Aug 2011 |
Article