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UC Cooperative Extension
ACP (Asian citrus psyllid) found in San Joaquin county
Who We Are
Across California, the University of California’s 64 Cooperative Extension offices are local problem-solving centers. We are the bridge between local issues and the power of UC research. Our county-based staff is part of the community – we live and work in the areas we serve.
More than 300 campus-based specialists and county-based farm, home and youth advisors work as teams to bring practical, unbiased, science-based answers to problems across California.
As part of the agricultural community, we help farmers develop more-efficient growing methods, solve pest management problems and develop crops and irrigation methods that use less water.
As stewards of the land, we help develop smart water-use strategies, develop wildfire education and help preserve natural areas and farmland.
As advocates for healthy communities, we promote healthy diets and exercise for better health, help Californians learn to choose the most nutritious foods and help shape the citizens of tomorrow through the 4-H Youth Development Program.
And thousands of volunteers extend the reach of our work through the Master Gardener Program and the California 4-H Youth Development Program.
We work in full partnership with federal, state, county and private resources.
We are stewards, problem-solvers, catalysts, collaborators and educators.
We are UC Cooperative Extension.
UC Blogs
Pardon Me, Is This My Best Side?
She's easy to find. A European praying mantis, Mantis religiosa, hangs out in our passionflower vine, Passiflora, the host plant of the Gulf Fritillary butterfly. Mantis religiosa is an introduced species, that is, non-native. We introduce...
Bee-ing All You Can Be and See and Do
What a weekend for bee and gardening enthusiasts! It's a shame we all can't clone ourselves and be in two places at the same time! The 40th annual Western Apicultural Society conference at the University of California, Davis, just concluded and now...
Bohart Museum Open House: How to Pin a Butterfly
When the UC Davis Bohart Museum of Entomology hosts an open house, "Insects and U" on Sunday afternoon, Sept. 24, for the public to get acquainted with insects, it will also be a time to get acquainted with entomologist Jeff Smith, curator of the...
Make a Gift Online
Director:
Brent A Holtz Ph.D.
San Joaquin County Cooperative Extension
Robert J. Cabral Ag Center
2101 E. Earhart Avenue, Ste 200, Stockton, CA 95206
Phone: (209) 953-6100
Fax: (209) 953-6128
e-mail: cesanjoaquin@ucdavis.edu
Click here for a map
Calendar
UC Blogs
Keeping cows cool with less water and energy
Posted 9/19/2017 - Innovative cooling technologies tested on dairy cows at UC Davis are addressing the long-standing challenge of keeping dairy cows cool in heat-stressed California.
Standard livestock cooling methods, such as fans and sprinkling cows with water,...
Scientists-in-training learn to tell a CLEAR story
Posted 9/11/2017 - On the second Saturday of every month, Tuesday Simmons heads to the downtown Berkeley farmers market. Among the produce stalls and coffee stands, she sits behind a table with a sign that reads “Talk to a scientist!” She and other students...
UC Master Gardeners' 5 tips to boost beneficial bees
Posted 8/28/2017 - With a little care and planning, anyone can make their little corner of the earth safe and friendly for bees.
UC Master Gardener volunteer Clare Bhakta of San Joaquin County shared bee-friendly strategies during a community workshop in August,...
Powers of microbes: UC Davis graduate students get creative to teach farmers about soil microbiology
Posted 8/23/2017 - If you grew up in the 1980s or 1990s (or were a child at heart during that era), the famous Powers of Ten film likely left an indelible mark in your mind.
The film starts with a couple lounging on a picnic blanket and zooms out to the outer reaches of...
August 19th is National Honey Bee Day: Dr. Elina Niño reminds us to help honey bees cope with pests
Posted 8/17/2017 - National Honey Bee Day is celebrated on the third Saturday of every August. This year it falls on Saturday the 19th. If you use integrated pest management, or IPM, you are probably aware that it can solve pest problems and reduce the use of pesticides...