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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

Checklist for putting your garden to bed for winter

The glistening cold of the Willamette Valley's first frost has ushered in the right time to clean up the garden.

Nov 8, 2013 | News Story

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

Trees and Shrubs for Erosion Control

A list of recommended trees and shrubs in Oregon, good for controlling erosion.

Jul 2018 | Collection

Managing Manganese Deficiency in Nursery Production of Red Maple

Discusses the processes of manganese (Mn) reaction in the soil, Mn movement in plants, Mn function in plants, results of studies of Mn in Oregon nursery fields, and management practices to prevent Mn deficiency in field-grown ...

Mar 2006 | OSU Extension Catalog

Fertilizing Shade and Ornamental Trees

Describes how to identify signs of nutrient deficiency in shade and ornamental trees. Discusses the most common soil nutrient deficiencies, types of fertilizer, and fertilization techniques. Offers a simple method, based on tree trunk diameter, for determining how much fertilizer to use.

Aug 2000 | OSU Extension Catalog

Eat from the garden all year

Cloches allow you to eat fresh out of the garden all year.

Mar 31, 2011 | News Story

Drought hits Douglas-fir trees hard

Diseases and pests take advantage of trees' weakened condition

Mary Stewart | May 29, 2015 | News Story

I am furloughed, too early for gardening?

Q: I'm a furloughed federal employee and suddenly find myself with free time that could end tomorrow, next week, next month, who knows. On top of that, it's sunny! What are things I could do now that will be a good ...

A: View answer | View all featured questions

These cold-hardy vegetables may stick it out through winter

The fearless gardener still has a chance to plant some cold-hardy vegetables to harvest next spring, said Jim Myers, plant breeder and researcher at Oregon State University. But don't dawdle.

Sep 13, 2013 | News Story