Intermountain Research and Extension Center
Intermountain Research and Extension Center
Intermountain Research and Extension Center
University of California
Intermountain Research and Extension Center


Four miles from the Oregon border, in Tulelake, California, the Intermountain Research and Extension Center (IREC) is one of nine centers under the University of California Division of Agriculture and Natural Resources. IREC supports and facilitates University of California research in field and vegetable crops grown in northeast California, and supports conservation of natural resources in the Klamath Basin.

Please explore our website. Specific contents include announcements, calendar reminders, local weather, biological data, and past & current research reports.

Opportunities for Research and Extension at IREC

Center Highlights 2014

Did You Know?

Strategic Plan
Strategic Plan

Intermountain REC Blog

  • Financial Incentives Available to California Farms from Healthy Soils Program

    Added August 23, 2017

    Over $3.75 Million in Incentives Available. Grants and incentives are available through the Healthy Soils Program for implementation of several management practices including cover crops, compost application, reduced tillage, vegetative barriers,...

  • Weather Forecast is Favorable for Many Plant Diseases

    Added August 7, 2017
    Purple Blotch Lesion on Onion Leaf

    A chance of thunderstorms most of the week and moderating air temperatures will promote prolonged leaf wetness and high humidity in the crop canopy both of which are favorable for development of several plant diseases. The smoky air also moderates solar...

  • IREC Field Day 2017 a Success!

    Added August 4, 2017
    2017 IREC Tour

    Thank you for making our 2017 Field Day at IREC a success! Over 100 visitors came to Tulelake on Wednesday, July 26, to tour the facility and learn about the ongoing research. We were honored to have Glenda Humiston, Vice President of UC ANR attend the...

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