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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

Poor soil? Build up with raised beds

Framed or mounded, raised beds give plant roots the space they need

Kym Pokorny | Nov 8, 2016 | News Story

Raised Bed Gardening

Gardening in raised beds has been a common practice for centuries. "Raised" means the soil level in the bed is higher than its surrounding, and "bed" implies it is small enough to work from the walkways.

May 2018 | Fact Sheet

Raised bed lumber, pressure treated safe?

Q: I am considering using some 2x6 inch material for a small raised bed for strawberries. My first thought was to consider pressure treated lumber, but I have read conflicting articles on the the safety of this product, with ...

A: View answer | View all featured questions

Why are my trees dying?

Trees all over Oregon are displaying signs of poor health. People are quick to blame insects, but insects are rarely the underlying cause of the problem. Drought and other stressors can make trees vulnerable to pests and disease.

John Punches | Sep 2019 | Article

Pacific NW Native Plants by Plant Community

Useful information about Western Hemlock-Douglas Fir Forest, Prairie, Scrub-Shrub Wetlands, and Mixed Deciduous Forest/Steep Dry Slope.

Lisa Albert | Jun 2014 | Article

Wireworm

Information about the wireworm, or click beetle larva.

Jul 2018 | Article