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Best Management Practices for Maintaining Soil Productivity in the Douglas-fir Region

Learn about characteristics that affect productivity, managing mass wasting risk and maintaining adequate nutrient supply in Douglas-fir forest soils.

Alex Dobkowski, Steve Campbell, Jeffrey D. Grizzel, Robert B. Harrison, Ronald L. Heninger, Douglas A. Maguire, Richard E. Miller, Deborah Page-Dumroese, William Scott, Darlene Zabowski | Apr 2011 | Extension Catalog publication Peer reviewed (Orange level)

USDA National Resources Conservation Service - Soil

A tool for finding what kind of soil is in a particular region.

Jul 2018 | Online resource

How do I collect a soil sample for testing?

Collecting a soil sample for testing is easy. In this video, Dennis Brown, OSU Extension Master Gardener volunteer, Portland Metro Area, demonstrates how to take a soil sample in the garden. Video courtesy of Dennis Brown and Dave Meeker.

Dennis Brown, Dave Meeker | Apr 2021 | Video Peer reviewed (Gray level)

Soil Nutrient Management Resources for Small Farms

Nutrient Management, Managing nutrients, whether it is synthetic fertilizer or manure and other organic fertilizers requires planning. Determining which type of fertilizer to apply, the application rate and timing are key factors in ...

Apr 2018 | Collection

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 ...

Donald A. Horneck, John M. Hart, Robert G. Stevens, Steven Petrie, James Altland | Feb 2004 | 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)

Now’s the time to plant winter cover crops to prepare soil for next year’s vegetable garden

These hardworking plants can add organic matter and aerate the soil, protect it from compaction caused by rain, suppress weeds and reduce erosion.

Kym Pokorny | Sep 9, 2022 | News story

Red worms eat their way through kitchen waste to produce rich soil amendment

Keeping a worm farm is an easy project

Kym Pokorny | Aug 12, 2016 | News story

Irrigation Monitoring Using Soil Water Tension

This publication discusses the use of granular matrix sensors (GMS) for monitoring soil moisture content. It explains how to install GMS and use the recorded data for irrigation scheduling.

Clinton Shock, Feng-Xin Wang, Rebecca Flock, Erik Feibert, Cedric A. Shock, Andre Pereira | Jul 2021 | Extension Catalog publication Peer reviewed (Orange level)