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Cooperative Extension San Joaquin County
University of California
Cooperative Extension San Joaquin County

UC Cooperative Extension

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

Enlightenment 'After Dark'

A walking stick is expected to be one of the Bohart Museum of Entomology attractions at Exploratorium Pier 15 on Oct. 2. (Photo by Kathy Keatley Garvey)

"After Dark: When Tricks Are Treats." That's the theme of San Francisco's Exploratorium Pier 15 event on Thursday night, Oct. 2. Graduate student Ralph Washington of the UC Davis Department of Entomology and Nematology, will be staffing the Bohart...

Posted on Monday, September 29, 2014 at 6:04 PM

The Good Life

A garden spider wraps its prey, a honey bee, in The Good Life Garden. (Photo by Kathy Keatley Garvey)

Okra. You either love it or hate. If you hate it, it's probably because of its characteristic "slime" that it produces. It's a mucilaginous plant. If you love it-- absolutely love it--you may be from the Deep South, where okra is king. They bread the...

Posted on Friday, September 26, 2014 at 9:35 PM

A True Success Story

UC Davis graduate student Cindy Preto is studying vineyard leafhoppers. (Photo by Liam Swords)

Meet Cindy Preto. The new UC Davis Department of Entomology and Nematology's graduate student is an incredible success story who hurdled the obstacles heaved in her path and lets nothing—absolutely nothing--block her education, enthusiasm,...

Posted on Thursday, September 25, 2014 at 5:48 PM

Make a Gift Online

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
Click here for a map

Ag Center May 2008


Event Name

UC Blogs

Jeff Thompson, California Trout's executive director, does a little fly fishing on the McCloud River. He played a crucial role in establishing the organization's partnership with UC Davis to ensure that research, teaching, and outreach on wild trout, salmon, and steelhead will continue for many years. Conservation organization California Trout helps establish endowed chair at UC Davis
Posted 9/30/2014 - California once teemed with millions of native salmon, trout and steelhead. The state has 31 distinct types of these iconic, majestic fish. But decades of degradation to aquatic habitat has depleted their numbers in many areas of the state. According...

Researchers, farmers, and agricultural professionals learn from one another in discussion at a recent field day. Outreach lessons for the information age
Posted 9/24/2014 - In the information age, helpful information can be amazingly hard to find. Certainly for agriculture, the landscape is rife with expertise, experience, and knowhow. But connecting to the knowledge and linking knowledge-seekers with knowledge-holders can...

Comanagement  conference participants  discuss farming and conservation efforts at a diversified organic operation. Balancing food safety and water quality not cheap or easy, but it can be done
Posted 9/19/2014 - Fresh produce growers are challenged to protect soil and water quality on their farms as well as support wildlife populations by preserving their habitat. At the same time, growers must protect their crops from contamination by pathogens that can cause...

Desert tortoises are well camouflaged in the California desert. Saving the Mojave desert tortoise
Posted 9/16/2014 - Saving the declining populations of Mojave desert tortoise is a big challenge. But scientists think that raising newborn “hatchling” tortoises in a controlled environment in the Mojave National Preserve for a year, then releasing the...

Visitors tour a farm in the Sacramento Delta region during pear harvest season. Farmers invite visitors with new farm trail maps
Posted 9/8/2014 - The Sacramento River Delta Grown Agritourism Association map brochure invites, “Drive along winding rivers and sloughs in the heart of the California Delta; Visit quaint historic towns, shop at rustic farm stands or pick your own fresh fruit and...

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