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Vegetable degree-day models: An introduction for farmers and gardeners

Degree-days help predict plant development based on heat accumulation. Learn how Croptime, an online tool, uses models to improve vegetable farming and weed management.

Nick Andrews, Leonard Coop, Heather Stoven, Heidi Noordijk, Aaron Heinrich | Feb 2025 | OSU Extension Catalog

Sweet cherry cultivars for the fresh market

Explore sweet cherry cultivars for the Pacific Northwest, including harvest timing, firmness, size, yield and pollinizers. This publication describes dark red and blush types with color photos.

Ashley Thompson, Matthew Whiting, Lynn Long | May 2025 | OSU Extension Catalog

Hazelnut Cultivar: Lewis (OSU 243.002)

Describes characteristics of hazelnut cultivar 'Lewis'.

Anita N. Azarenko, Shawn Mehlenbacher, David Smith, Rebecca L. McCluskey | Jun 2023 | OSU Extension Catalog

Combatting Take-All of Winter Wheat in Western Oregon

Identifies factors that influence take-all and offers management practices to minimize yield losses.

Neil W. Christensen, John M. Hart | Jun 2023 | OSU Extension Catalog

Living on the Land - Understanding and Measuring Soil pH (in English)

The acidity or alkalinity of the soil in which crops grow can influence how well they grow. We measure this characteristic with a pH scale. Each crop has its own ideal pH range. If you want to grow healthy plants, it's...

Garrett Duyck, Elli Korthuis, Susan Kerr, Hannah Brause, Shilah Olson, Ellen Hammond | Mar 2023 | Podcast episode

Living on the Land - Correcting and Managing Soil pH (in English)

The acidity or alkalinity of the soil in which crops grow can influence how well they grow. We measure this characteristic with a pH scale. Each crop has its own ideal pH range. If you want to grow healthy plants, it's...

Garrett Duyck, Elli Korthuis, Susan Kerr, Hannah Brause, Shilah Olson, Ellen Hammond | Mar 2023 | Podcast episode

Monthly Garden Calendars

Produced by OSU Extension, each month provides reminders of key garden chores, such as fertilizing, pest control, planting, and maintenance.

Jan 2021 | Collection

Extension volunteers support drive-through COVID-19 testing clinics in Columbia County

Extension volunteers are helping with traffic flow and registration, and supporting the medical team with quality control checks.

Chris Branam | Dec 23, 2020 | News story

Economic value of sheep footrot vaccination

Vaccinating your flock against footrot can yield benefits due to increased lamb weight gain. Learn how to assess the financial benefit of footrot control.

Shelby Filley | Feb 2025 | OSU Extension Catalog

Are home-preserved gifts safe to eat?

P: I received a home preserved gift for the holidays. How do I know it's safe to eat?

R: View answer | View all featured questions