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)
The study showed that the crop performed equally well with and without gypsum and nutritional samples of the hemp flowers did not indicate any problems by discontinuing applications.
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)
Photo Credit: evgenyb - Adobe Stock (Cropped from original)
There are lots of gardening tasks to complete in April, including fertilizing your lawn and preparing soil and raised garden beds. Learn more in this guide.
Mar 2021 |
Article
Photo Credit: Danita Delimont - Adobe Stock (Cropped from original)
For Oregon gardeners, May is a busy month. It's time to check soil temperatures, establish irrigation systems, and to start planting flowers and vegetables. Learn more in this guide.
Since 2020, a statewide research team has been investigating alternatives to chlorpyrifos, which is being phased out at the end of 2023 and targets persistent insects affecting more than 40 specialty crops that help drive Oregon’s economy.
The Military Veterans Farmer Network is a program of Oregon State University Extension Service meant to connect military veterans engaged in or interested in farming.
On-farm trials help growers test if promising experiment station research results can be replicated on their farms. However, these on-farm trials must be carefully planned to ensure the results are valid.
Christy Tanner, Gordon B. Jones, Betsy Verhoeven |
May 2023 |
Extension Catalog publicationPeer reviewed (Orange level)