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Managing Salt-affected Soils for Crop Production

Salt accumulation in soil can reduce crop yields and affect soil structure. Learn how to evaluate the salts present in soils and to select appropriate management practices to maintain soil health and crop productivity.

María Isabel Zamora Re, Abigail Tomasek, Bryan G. Hopkins, Dan M. Sullivan, Linda Brewer | Apr 2022 | Extension Catalog publication Peer reviewed (Orange level)

Monitoring Soil Nutrients Using a Management Unit Approach

Focuses on how to design a soil nutrient monitoring strategy using management units or zones for soil testing and nutrient application. This approach is designed to provide better information to make nutrient ...

Mary Halbleib, Jason W. Ellsworth, Dan M. Sullivan, Donald A. Horneck, Bradford D. Brown, Robert G. Stevens | Oct 2003 | Extension Catalog publication Peer reviewed (Orange level)

Soil Acidity in Oregon: Understanding and Using Concepts for Crop Production

Soil acidity, expressed by low soil pH, causes reduced crop growth and significant economic loss. It is the most commonly overlooked and poorly understood yield-limiting factor in western Oregon and a developing ...

John M. Hart, Dan M. Sullivan, Nicole Anderson, Andy Hulting, Donald A. Horneck, Neil W. Christensen | Jul 2013 | Extension Catalog publication Peer reviewed (Orange level)

Applying Lime to Raise Soil pH for Crop Production (Western Oregon)

This publication describes how to estimate lime application rate and lists criteria for choosing liming materials (source), lime application method (placement), and how often to apply lime (frequency).

Nicole Anderson, John M. Hart, Dan M. Sullivan, Neil W. Christensen, Donald A. Horneck, Gene Pirelli | May 2013 | Extension Catalog publication Peer reviewed (Orange level)

Soil Fertility in Organic Systems: A Guide for Gardeners and Small Acreage Farmers

This publication discusses the many types of fertilizers and soil amendments available for organic plant production. Fertilizer formulations, nutrient availability, and application practices for common organic products are ...

Doug Collins, Carol A. Miles, Craig G. Cogger, Richard T. Koenig | Jul 2013 | Extension Catalog publication Peer reviewed (Orange level)

Evaluating Soil Nutrients and pH by Depth in Situations of Limited or No Tillage in Western Oregon

Many nutrients and lime are not mobile in the soil. When applied to the soil surface without tillage, these materials remain in the top 2 inches, especially in production systems that lack tillage. If a soil ...

Nicole Anderson, John M. Hart, Donald A. Horneck, Dan M. Sullivan, Neil W. Christensen, Gene Pirelli | Oct 2010 | Extension Catalog publication Peer reviewed (Orange level)

Postharvest Soil Nitrate Testing for Manured Grass and Silage Corn (West of the Cascades)

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 publication Peer reviewed (Orange level)

11 Laura Taylor – Pollinator Restoration in Soil and Water Conservation Districts

Laura Taylor works for the West Multnomah Soil and Water Conservation District. In this episode, find what happens when a local government wants to do something to help pollinator health. As a conservation technician and an ...

Andony Melathopoulos | Jun 2017 | Podcast episode

Using the Nitrogen Mineralization Soil Test to Predict Spring Fertilizer N Rate for Soft White Winter Wheat Grown in Western Oregon

Soft white winter wheat is grown in western Oregon and requires a spring application of nitrogen (N) fertilizer for optimum production. Determining the amount of N to apply has been a challenge for growers. ...

Nicole Anderson, John M. Hart, Neil W. Christensen, Mark E. Mellbye, Michael D. Flowers | Nov 2010 | Extension Catalog publication Peer reviewed (Orange level)

Joy of Gardening conference draws enthusiastic crowd to OSU

Sponsored by the Oregon Master Gardener Association, which supports the Oregon State University Extension Master Gardener program, the two-day conference drew 150 to the CH2M Hill Alumni Center on the Oregon State campus in Corvallis.

Kym Pokorny | Jul 24, 2023 | News story