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.
The "best-kept secret" is no more. Well, it's not so much as a "best-kept secret" but a "UC Davis treasure." Thousands attended the seventh annual UC Davis Biodiversity Museum Day, which showcased 13 museums or collections. Billed as "a...
So here's this male longhorned bee (Svastra) sipping a little nectar from a Mexican sunflower (Tithonia). As the late Mr. Rogers (1928-2003), star of the TV show, "Mister Rogers' Neighborhood," so often proclaimed: "It's a beautiful day in the...
Are you ready to celebrate Moth Night at the Bohart Museum of Entomology at the University of California, Davis? Mark your calendar for 8 p.m. to 11 p.m. on Saturday, July 21. That's when the Bohart Museum will join forces with National Moth Week,...
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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
USDA awards UC and Karuk Tribe $1.2 million for collaborative research and education to increase tribal ecosystem resilience in a changing climate
Posted 7/18/2018 - As California and the nation grapple with the implications of persistent drought, devastating wildfires and other harbingers of climate change, researchers at UC Berkeley's College of Natural Resources and the Karuk Tribe are building on a decade-long...
Grow cover crops to attract beneficial insects, add nutrients, suppress weeds and build soil
Posted 7/17/2018 - George Washington, the father of our country, said it well when he proclaimed he grew “crops to eat and sell” and “crops to replenish the soil.” Generations of farmers follow his footsteps. Cover crops (also known as green...
UCCE helps farmers see the potential in agricultural use of drones
Posted 6/29/2018 - In the late 1800s, when automobiles started replacing horses in the United States, farmers were likely pondering how the new technology could be adapted for agricultural production. Before long, tractors revolutionized the industry. A similar scenario...
Reduce food waste to combat world hunger and slow global climate change
Posted 6/13/2018 - One-third of the world's food is spoiled or tossed rather than eaten, a fact that is tragic when nearly one billion people go hungry. The injustice of food waste is worsened by the fact that food decomposing in landfills emits greenhouse gases that...
National Pollinator Week: Open house at UC Davis Bee Garden
Posted 6/12/2018 - June 18-24 is National Pollinator Week. Do you know where your pollinators are? Think bees, birds, butterflies, bats and beetles. And think flies. Especially syrphid flies, also known as "flower flies" and "hover flies." The UC Davis Department...