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Showing 1 - 10 of 33 results.

Post-Harvest Soil Nitrate Testing for Manured Cropping Systems West of the Cascades

Describes the use of postharvest soil nitrate testing as a tool for assessing nitrogen management in manured cropping systems west of the Cascades. The first section gives general information on the test and is designed for use...

Dan Sullivan | May 2003 | OSU Extension Catalog

Soil pH and pasture productivity

A look at the cost effectiveness of liming coastal ryegrass pastures.

Troy Downing | May 2009 | Article

Nutrient Management Guide for Dryland and Irrigated Alfalfa in the Inland Northwest

This full-color illustrated guide for optimizing alfalfa production according to the growing conditions common throughout Idaho and east of the Cascades in Oregon and Washington provides specific recommendations for all critical nutrients.

Apr 2009 | OSU Extension Catalog

Manure Application Rates for Forage Production

Explains step-by-step how to estimate the amount of manure to apply for forage production, using application rates based on soil tests and growing conditions in western Oregon. Provides examples of estimating manure amounts for ...

Dan Sullivan, Troy Downing | Jul 2007 | OSU Extension Catalog

Orchardgrass Seed: Western Oregon—West of Cascades Fertilizer Guide

Based on soil test results, recommends amounts of fertilizer and lime needed for orchardgrass seed in western Oregon.

Jan 2000 | OSU Extension Catalog

Crimson Clover, Vetch, Field Peas: Western Oregon—West of Cascades Fertilizer Guide

Based on soil test results, recommends amounts of fertilizer and lime needed for crimson clover, vetch, and field peas in western Oregon.

David Hannaway | Jan 2000 | OSU Extension Catalog

Nutrient Management for Pastures: Western Oregon and Western Washington

Describes nutrient management practices for pastures to produce forage as a main feed source for western Oregon and Washington livestock.

Dan Sullivan, Gene Pirelli, Amber Moore, Shelby Filley, Melissa Fery | Jan 2019 | OSU Extension Catalog

Fruit tree site considerations

Climate, soil, water and chilling all effect which fruit trees will do best on your property. Here's what to consider.

Steve Renquist | May 2015 | Article

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

Nitrogen-fixing trees “eat” rocks, play pivotal role in forest health

By tapping nutrients from bedrock, red alder trees play a key role in healthy forest ecosystems.

Chris Branam | Feb 25, 2019 | News Story