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

UC Cooperative Extension

ACP (Asian citrus psyllid) found in San Joaquin county

AsianCitrusPsyllid1
The ACP (Asian citrus psyllid) was found in Lodi and Manteca.  Click here to find out how you can help prevent the spread of this unwanted pest and what to do if you think you have it.

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

Behind the Bee Veil: Charley Nye

Charley Nye (center) teaching a beekeeping course at the Harry H. Laidlaw Jr. Honey Bee Research Facility, UC Davis. (Photo by Kathy Keatley Garvey)

Have you ever wondered who's behind the veil?  The bee veil, that is. If you enroll in a beekeepers' course at the Harry H. Laidlaw Jr. Honey Bee Research Facility at the University of California, Davis, one of the instructors you're likely to meet...

Confessions of a Backyard Beekeeper

Beekeeper Ann M. Evans admires her first swarm (2013).

Confessions of a Backyard Beekeeper. That's the title of a piece by former-Davis-mayor-turned-beekeeper Ann M. Evans in the newly published Ipinion Syndicate book, Cats, Dogs and Other Things that Poop in the Yard. "Here's what I know about...

Posted on Thursday, December 8, 2016 at 2:46 PM

UC Davis Researchers: Woolly Bear Caterpillars Pick Winner of U.S. Presidential Campaign

UC Davis researchers Rick Karban (left) and his graduate student Eric LoPresti with their chart linking  woolly bear caterpillars  to U.S. Presidential elections. (Photo by Kathy Keatley Garvey)

Score another win for those woolly bear caterpillars. For the past three decades, woolly bear caterpillars have accurately predicted a Republican or Democrat win in the U.S. Presidential elections. This year, despite the pollsters, pundits and...

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Director:
Brent A Holtz Ph.D.

1040

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

Ag Center May 2008

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UC Blogs

This NEXRAD map shows where migrating waterfowl are gathered in rice fields, herbaceous wetlands and other agricultural land. Weather radar helps researchers track bird flu
Posted 12/7/2016 - The same weather radar technology used to predict rain is now giving UC researchers the ability to track wild birds that could carry the avian influenza virus. Avian influenza, which kills chickens, turkeys and other birds, can take a significant...

Wild horses are beautiful, but present land management challenges. Wild horse over-population is causing environmental damage
Posted 12/6/2016 - Most Americans envision healthy mustangs galloping free on the range when they think about the country's wild horse population. But UC Cooperative Extension rangeland advisor Laura Snell sees another image. In conducting research on the over-populated...

South American palm weevil. Is 'palmageddon' coming to California?
Posted 12/6/2016 - Representatives from the date and ornamental palm industries, arborists and pest managers, parks and recreation officials, and home owners are uniting behind a University of California, Riverside initiative to slow the spread of the South American...

Addition to catching insects in flight, pallid bats also hunt on the ground for prey, such as crickets, grasshoppers and scorpions. Migrating bats may be resting, not sick, says UC bat expert
Posted 11/10/2016 - California is in the middle of the Pacific Flyway, a major north-south flyway for migratory birds, and also bats, that extends from Alaska to South America. “Every autumn, migratory bats, such as the Mexican free-tailed bats, travel to their...

Jesse Sanchez, manager of Sano Farms in Firebaugh. (Photo: USDA NRCS) With conservation agriculture, Firebaugh farmers use half the nitrogen and a third less water
Posted 11/3/2016 - How do you cut your water use by a third, cut your nitrogen use in half, maintain your tomato yield and improve your fruit quality? “With patience, perseverance and by treating your soil like a living ecosystem — which it is,”...

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