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Predicting Nitrogen Availability from Organic Amendments: laboratory, Field, and Computer Stimulation

A study to improve the ability to predict nitrogen availability from organic soil amendments, including improved accuracy of Nitrogen availability estimates, to target amendment application rates to meet crop N needs.

Dan Sullivan, E.S. Gale, Delbert Hemphill, Craig Crogger, Andy Bary, E.A. Myhre | Apr 2018 | Publication

Foxtail Control in Pastures and Hayground

Foxtail is a problematic grass in pastures and hayground, and infestations need immediate attention. Small infestations of foxtail should be spot treated, while larger infestations require whole pasture renovation. This informational ...

Shelby Filley | Mar 2015 | Article

The Columbia Root-Knot Nematode Problem

The Columbia root-knot nematode attacks potatoes and causes injury to tubers in the Columbia Basin of Oregon and Washington as well as other areas of the Pacific Northwest.

Jim Green | Apr 1981 | Article

Your garden, our shared watershed

Learn how to make a difference for your watershed.

Jul 2018 | Article

OSU helps watershed councils make plans that hold water

In a growing number of places throughout Oregon, watershed councils provide a forum for neighbors to plan a shared future for a shared place defined by the water that runs past their homes.

Peg Herring | Mar 28, 2003 | News Story