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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 concern in eastern...

Dan Sullivan, Andy Hulting, Nicole Anderson | Jul 2013 | OSU Extension Catalog

Acidifying Soil for Crop Production: Inland Pacific Northwest

Explains the relationship between high soil pH and nutrient deficiencies in crop plants. Color photos illustrate symptoms of pH-induced nutrient deficiency. Explains the causes of high soil pH and presents step-by-step instructions for lowering pH.

Don Wysocki | Sep 2007 | OSU Extension Catalog

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).

Dan Sullivan, Gene Pirelli, Nicole Anderson | May 2013 | OSU Extension Catalog

Acidifying Soil for Crop Production West of the Cascade Mountains (Western Oregon and Washington)

Explains the relationship between high soil pH and nutrient deficiencies in blueberries, rhododendrons, azaleas, and other ornamental crops. Color photos illustrate symptoms of pH-induced nutrient deficiency. Presents step-by-step instructions...

Feb 2004 | OSU Extension Catalog

Forages - hay and pasture collection

This collection has information on soil testing and ferilizing, renovation. forage management , hay, irrigation, feeding values, forage types, forage anti-quality factors, leasing pastures and more.

Shelby Filley | Aug 2019 | Collection

Hey, how much hay?

Q: How many bales of grass hay per acre from the average pasture?

A: View answer | View all featured questions

Fertilizing For Hay Production

Forages and all green plants require moisture, nutrients, heat, and light for growth. To make hay, you need good nutrition to maximize on productivity and quality of the final product. You might want to treat hay fields and ...

Sam Angima | Mar 2007 | Article

Use Caution When Irrigating Oaks and Madrones

Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.

Jun 2018 | Article

Western Oregon Hay

Because of our typically wet springs in western Oregon, the average hay crop usually ends up being of low quality. However, when forage in the field is young and tender it is of high quality. As the forage matures, it ...

Shelby Filley | May 2013 | Article