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Crook County

Credit: Gordon Jones (Cropped from original)
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Agronomy & Crop Production

OSU Extension supports crop production and agronomy education and research in Crook, Deschutes, and Jefferson County and the Confederated Tribes of the Warm Springs. Watch this page for resources on hay, pasture, and small grain production and irrigation, soil, and pest management. Contact us if we might be of assistance in helping you solve a crop production problem.

Upcoming Events

Aug 28

QPR Suicide Prevention Training for the Agricultural Industry (in English)

10:00 am - 11:30 am PDT Online

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Efficient Irrigation of Perennial Forages with Wheel Lines in the Pacific Northwest

Check out this Extension Publication to learn about the efficient use of wheel lines for irrigating pastures and hayfields.

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Hay Testing and Quality

Understanding Sugar and Nonstructural Carbohydrates in Equine Pasture and Hay

High concentrations of nonstructural carbohydrates in forages can cause health problems for some horses and other domesticated equines like ponies, donkeys, and mules. Learn about the role, levels and management options of NSC in forage plants for limiting NSC intake in horses.

Gordon B. Jones, Shayan Motazedi Ghajar, Scott Duggan, Melissa Fery | Nov 2023 | Extension Catalog publication Peer reviewed (Orange level)

Horse Owner's Guide to Buying Hay

Horse owners must know how to evaluate and buy good-quality hay. Learn about the horse's digestive system, nutrient requirements and hay evaluation methods.

Gordon B. Jones, Scott Duggan, Melissa Fery, David Hannaway | Mar 2024 | Extension Catalog publication Peer reviewed (Orange level)

Understanding Your Forage Test Results

Assists livestock producers in using forage analysis as a management tool to improve livestock nutrition. Explains the information commonly found in most laboratory forage reports: feed, protein, carbohydrates, fat, energy, ash, minerals, pH, nitrates, RFV, and RFQ.

Sergio Arispe, Shelby Filley | Oct 2020 | Extension Catalog publication Peer reviewed (Orange level)

Watch recordings of the 2024 Central Oregon Forage Seminar presentations

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Agrimet weather station in green grass field with blue sky
Credit: Gordon Jones

Want to know how much to irrigate?

Check out the real-time crop water use estimates provided by the AgriMet Network of weather stations to guide you in deciding how much irrigation water to apply:

Bend - BEWO

Hampton - HMPO

Madras - MSRO

Powell Butte - POBO

Prineville - PRNO

Tumalo - TMLO

Warm Springs - MWSO

Learn more about the AgriMet Network

Soil Testing and Fertilizer Resources

Soil Testing Lab Selection and Recommended Analytical Methods for Oregon

Not all soil tests are the same. Here's how to choose a soil testing lab in Oregon.

Gordon B. Jones, Amber Moore, Eliza Smith | May 2024 | Extension Catalog publication Peer reviewed (Orange level)

Soil Test Interpretation Guide

This publication provides an overview of soil testing and general guidelines for interpreting soil test results for nitrogen, phosphorus, sulfur, potassium, calcium, magnesium, boron, zinc, copper, manganese, iron, ...

Donald A. Horneck, Dan M. Sullivan, Jim Owen, John M. Hart | Jul 2019 | Extension Catalog publication Peer reviewed (Orange level)

A Guide to Collecting Soil Samples for Farms and Gardens

Laboratory soil tests help you develop your soil and increase crop production by providing information on available nutrient content. Soil testing helps you select the correct kind and amount of fertilizer and ...

Melissa Fery, Jeff Choate, Elizabeth Murphy | Nov 2022 | Extension Catalog publication Peer reviewed (Orange level)

Subscribe to the Central Oregon Ag. Newsletter

The Central Oregon Ag Newsletter is published bi-weekly by OSU Extension. The newsletter gathers information from OSU faculty and staff and other community partners to provide accurate, relevant, and timely information that farmers and ranchers in Central Oregon need to know.

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Meet our expert

Gordon Jones
Gordon B. Jones
Extension Agronomist

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