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New ‘droughty’ soils model for Pacific Northwest could aid forest health in changing climate

Scientists have developed a new approach to modeling potentially drought-prone soils in Pacific Northwest forests, which could aid natural resource managers to prepare forested landscapes for a changing climate.

Chris Branam | Aug 16, 2018 | News Story

Drought hits Douglas-fir trees hard

Diseases and pests take advantage of trees' weakened condition

Mary Stewart | May 29, 2015 | News Story

Why Does Your Tree Look Sick?

Most “sick tree” problems can be traced back to underlying stresses that have reduced the tree's vigor, making it more vulnerable to diseases or insect pests.

Jun 2018 | Article

What is the best driveway grass?

Q: I am installing a permeable driveway (Unilock Turfstone) at my house in Portland. I read your article on best types of grass mixes in Oregon. But what about driveway grass? Ideally I would like a grass with low maintenance, less mowing, and for daily parking with car traffic. The driveway is in southeast corner of house and gets full sun, except when parked on in evenings.

A: View answer | View all featured questions

Living with Droughty Pastures

At times we see many of our cool-season perennial and annual forages looking stressed and growing very slow as they struggle with heat and no rain. The hot, dry conditions we sometimes experience in western Oregon have many pasture and hayground managers thinking about forages that can be productive under these circumstances. Fortunately, there are some strategies to consider ...

Shelby Filley | Aug 2019 | Article

Stressed trees show dieback

Browning or dieback is usually caused by weather-related stress, sometimes in combination with pests and diseases.

Mar 2018 | Article

Drought Advisory: Managing Pastures and Haylands

Drought, an environmental stress with periods of limited or no water during the growing season, reduces forage production for grazing and haymaking. Prolonged drought forces livestock and hay producers to better manage their fields to maximize recovery after the drought ends. Forage produced during a drought may be stressed enough that livestock risk death by simply eating it. The...

Steve Fransen, Justen Smith, and Sarah Smith | Sep 2019 | Article

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