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Thinning in Mature Douglas-fir Stands in Southwest Oregon: A Case Study

Dive into a case study on thinning in mature Douglas-fir stands. Nearly all the trees in the study responded with increased growth and improved stress resistance.

Max Bennett, Marty Main | May 2018 | Extension Catalog publication Peer reviewed (Orange level)

Common Insect Pests and Diseases of Sitka Spruce on the Oregon Coast

Sitka spruce is among the world's fast-growing trees and the largest of the world's spruces. It's a valuable commercial timber. Its range extends from Alaska to northern California, but it faces unique problems ...

Jim Reeb, David C. Shaw | Jan 2015 | Extension Catalog publication Peer reviewed (Orange level)

June 2021 heat impacts on trees explained

The June 2021 heat wave caused significant damage to trees in Oregon. Learn some key findings on causes, types of damage, physiological "thermotolerance" of trees, and possible forest management implications.

Glenn Ahrens | Jan 2022 | Article

Medicinal Herb Production in the Pacific Northwest

Medicinal herb crops are a diverse group consisting of both annual and perennial species. Some herbs are harvested for their flower or leaf tissue; others are harvested for root tissue or fruit. Within the herb...

Kristine Buckland, Ben Marx, Peg Schafer, Alexandra Stone, Nick Andrews, Ann Rasmussen | Apr 2022 | Extension Catalog publication Peer reviewed (Orange level)

An overview of riparian systems and potential problems

Riparian zones — those transition areas between bodies of water and land — are rich ecosystems that benefit man and nature. They make up a small percentage of the landscape but their importance far exceeds their geographic...

Julia Wentzel, Chloe Hull | Aug 2021 | Article Peer reviewed (Gray level)

Wheat Head Armyworm True or False: A Tale from the Pacific Northwest

Armyworm caterpillars can be a troublesome pest in cereal grains grown in the Pacific Northwest states. This publication presents information about the pest and its control.

Silvia I. Rondon, Mary Corp, Diana Roberts, Keith S. Pike, Peter J. Landolt, Dustin Keys | May 2011 | Extension Catalog publication Peer reviewed (Orange level)

Common Insect Pests and Diseases of Shore Pine on the Oregon Coast

Shore pine is a subspecies of lodgepole pine that inhabits the coastal strip in Oregon. Insect pests, diseases, and nonbiological (abiotic) factors may have an impact on growth, visual appearance, and productivity ...

James E. Reeb, David C. Shaw | Sep 2010 | Extension Catalog publication Peer reviewed (Orange level)

Using Whole Sugar Beets in Rations for Ruminant Livestock

Producers faced with an oversupply of sugar beets may consider using them as livestock feed. This practice could save livestock producers money while helping to meet the nutritional needs of their animals. Learn ...

Ian McGregor | Jun 2021 | Extension Catalog publication Peer reviewed (Orange level)

The Economic Impact of Onion Pests in the Treasure Valley

A look at pest data for onions grown in the Treasure Valley demonstrates the yield and economic impacts of specific pests and management practices. This data can help researchers, crop consultants and those ...

Katie Murray, Isaac Sandlin, Peter Ellsworth, Paul Jepson, Al Fournier, Hang-Kwang Luh, Stuart Reitz | Mar 2022 | Extension Catalog publication Peer reviewed (Orange level)