North Willamette Research and Extension Center

Extension research leads to change in the management of clover seed weevil

Clover seed weevil is a serious insect pest that impacts Willamette Valley's white clover seed production. Historically, clover seed growers have relied heavily on broad-spectrum pyrethroid insecticides, including bifenthrin, as a ...

Jul 2025 | Impact Story

OSU develops first-of-its-kind water stress index for hazelnut trees

Heat and drought stress are having several significant impacts on hazelnut growers in during the dry summer in Western Oregon. Increasingly hot and dry conditions are making water management more challenging. Hazelnut trees are ...

Apr 2025 | Impact Story

Oregon's hazelnut success rooted in OSU research, Extension

Oregon is renowned for producing some of the highest quality hazelnuts in the world, thanks to its ideal climate and rich volcanic soils. The state ranks No. 1 in the United States in hazelnuts, producing 99% of the ...

Mar 2025 | Impact Story

OSU research keeps Oregon Christmas tree industry No. 1 in the nation

Oregon is the nation’s top Christmas tree producer, supplying more than 33% of the U.S. market. In 2023, Oregon growers produced about 3.4 million trees, generating an estimated $117.6 million in sales. The industry provides ...

Mar 2025 | Impact Story

OSU Extension Small Farms Program among nation’s best

Small-acreage farms in Oregon play a crucial role in the state's agricultural landscape. According to the 2022 Census of Agriculture, a majority of the 35,547 farms in Oregon are small acreage, meaning they are 50 acres or ...

Feb 2025 | Impact Story

OSU research vital for Oregon's nursery industry success

The nursery and greenhouse industry is the most valuable agricultural commodity in Oregon. A national leader, Oregon is the third largest nursery producing state in the United States. This prominent position is due to the state's...

Jan 2025 | Impact Story

Olea project supports development of Oregon’s olive industry

Interest in growing olives — a high-value specialty crop — is increasing in Oregon. However, research-based information on cultivar selection and production practices for the state is limited. Primary challenges include damage from...

Jan 2025 | Impact Story

Innovative harvest system reduces labor costs and boosts competitiveness for Oregon’s blueberry industry

Oregon and Washington produce more blueberries than any other region in the world. In Oregon alone, growers harvest approximately 150 million pounds annually, with a farmgate value exceeding $120 million. A large share of this ...

Jan 2025 | Impact Story

OSU Extension trials expand drought-tolerant plant options for Oregon’s nursery industry

As climate change transforms the weather in Western Oregon, more nursery owners, landscapers and home gardeners are looking for plants that are fully drought tolerant and cold hardy. Development of genuinely low-input landscapes will...

Jan 2025 | Impact Story

Oregon State research guides fertilizer use in berry crops

Over the past two decades, the Oregon State University Extension Service and the Oregon Agricultural Experiment Station have focused research on fertilizer practices for blueberries, raspberries, blackberries, strawberries and kiwiberries. ...

Dec 2024 | Impact Story