Colusa County
University of California
Colusa County


Rice is one of the major crops grown in the Sacramento Valley of California. Aproximately 500,000 acres are planted yearly.

General objectives of the Rice Farming Systems program are:

  • To develop and implement educational and applied research programs appropriate for the rice industries in Colusa, Glenn and Yolo Counties.
  • To collect and disseminate relevant and current information that will improve rice production and maximize net farm income, while conserving natural resources and safeguarding the environment.

Luis Espino conducts the Cooperative Extension Rice Farming Systems program in Colusa, Glenn and Yolo Counties. Luis has a Ph.D. in Entomology (2007), and M.Ag. (1999) and a B.S. (1996) in Agronomy . Luis can be contacted at the Colusa office at 530-458-0578 or 530-635-6234, or at

Rice field Glenn county


Photo of Luis Espino Luis Espino
Title: Rice Farm Advisor
Specialty: Entomology, Agronomy
Cooperative Extension Colusa County
PO Box 180, 100 Sunrise Boulevard
Suite E
Colusa, CA 95932
Phone: (530) 458-0578


UC Rice Blog

  • Butte® Registration Approved for 2017 Rice Season

    Added April 25, 2017
    Early BUTTE® trials at the Rice Experiment Station, 2012

      BUTTE®, a rice herbicide, has received federal registration in the USA as well as state registration in California. It will be available to California rice growers for the upcoming 2017 season. Gowan Company, along with...

  • Larry Godfrey: 1956-2017, Friend to the Rice Industry

    Added April 24, 2017
    Extension entomologist Larry Godfrey, 1956-2017 (Photo by Kathy Keatley Garvey)

    UC Cooperative Extension entomologist Larry Godfrey, a 26-year member of the UC Davis Department of Entomology and Nematology faculty and widely known for his research on applied insect ecology and integrated pest management (IPM) strategies, died...

  • How Does Herbicide Resistance Evolve? An Illustrated Guide

    Added April 7, 2017
    Year1 1

    Whitney Brim-DeForest, UCCE Rice Advisor We talk about herbicide resistance all of the time in California rice. But how does it evolve in a field? Understanding how herbicide management selects for resistant populations is an important part of...

  • Insect Pest Management in Rice Mills and Rice Storage Facilities Workshop

    Added March 6, 2017

    Optimizing Insect Control and Grain Quality Wednesday, April 5, 2017 9:00AM - 3:00PM Lundberg Family Farms 5311 Midway Richvale, CA 95974 We would like to invite you to attend an exciting and informative workshop on insect pest management at rice...

  • Tadpole shrimp clicker survey results

    Added February 22, 2017

    During our Jan 2017 winter meetings, I conducted a short clicker survey about how bad tadpole shrimp (TPS) has become in the past few years. There were a couple of technical difficulties, and attendees to the Richvale meeting didn't get to see the answer...

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