Division of Agriculture and Natural Resources
Division of Agriculture and Natural Resources
Division of Agriculture and Natural Resources
University of California
Division of Agriculture and Natural Resources

Posts Tagged: CDFA

Avocado growers to get irrigation tools, strategies from UC ANR’s Montazar

University of California Cooperative Extension irrigation and water management advisor Ali Montazar visits an avocado orchard in San Diego County to assist a grower with irrigation and salinity management issues. Photo courtesy of Ali Montazar

CDFA grant supports research to optimize water use for iconic California crop

California growers, who account for more than 90% of avocado production in the U.S., will soon be getting some help in weathering the extreme fluctuations of climate change.

Ali Montazar, a University of California Cooperative Extension irrigation and water management advisor, recently received a grant to develop tools and strategies that optimize growers' irrigation practices across Southern California – the state's avocado belt. California avocados are valued at more than $411 million, according to the National Agricultural Statistics Service.

“This region faces uncertain water supplies, mandatory reductions of water use, and the rising cost of water – while efficient use of irrigation water is one of the highest conservation priorities,” Montazar said. “Water is the most critically important input to avocado production.”

New tools for avocado growers will take into account the slope of their orchards' rugged terrain. Photo by Ali Montazar
Montazar will be conducting field experiments in six commercial fields of Hass avocados, located in San Diego, Riverside and Orange counties, in collaboration with the California Avocado Commission and supported by a California Department of Food and Agriculture Specialty Crop Block Grant.

At the California Avocado Commission's suggestion, Orange County was added to the study to better capture the range of climates and cropping systems across the region, Montazar said.

He hopes to develop “crop coefficients” that avocado growers can use to determine the optimal irrigation for their crop based on a host of factors: soil type and salinity, canopy features, row orientation, slopes, soil and water management practices, and more.

“Growers are unclear on how much water the crop actually needs under those conditions,” Montazar said.

He will incorporate data from the actual water use in the experimental orchards – including information from the newest soil moisture and canopy temperature sensors – to help ensure growers do not under- or overwater their crops. Overirrigating contributes to a devastating disease, avocado root rot, caused by the plant pathogen Phytophthora cinnamomi.

Another component of the grant supports outreach in disseminating these resources and best practices to the broader agricultural community.

“Developing and adopting these tools and information may have a significant impact on water quality and quantity issues and bolster the economic sustainability of avocado production not only in the well-established production region of Southern California, but also in Kern and Tulare counties where new avocado plantings are growing,” Montazar said.

Preliminary findings and recommendations are expected at the end of 2022.

Posted on Tuesday, February 15, 2022 at 8:51 AM
Focus Area Tags: Agriculture, Food

CDFA honors UC Cooperative Extension centennial

The annual Ag Day at the Capitol event, held Wednesday (March 19) in Sacramento, honored the University of California Cooperative Extension for its centennial. California Department of Food and Agriculture Secretary Karen Ross presented a proclamation to Barbara Allen-Diaz, UC vice president for Agriculture and Natural Resources, who oversees UC Cooperative Extension.

“I want to commend my good friend Barbara Allen-Diaz and Cooperative Extension,” said Ross. “You help us take all that great knowledge from the UC System and extend it directly to farmers and ranchers. It is a circle of innovation that sets us apart. It is absolutely crucial to our future and I'm really happy to be here to celebrate 100 years with you.”

UC Cooperative Extension, which has offices in counties throughout California, will be holding local celebrations throughout 2014. For more information about the UCCE centennial, visit http://ucanr.edu/100.

Karen Ross, third from left, and Barbara Allen-Diaz with 4-H members during Ag Day at the Capitol.
Posted on Thursday, March 20, 2014 at 12:44 AM
Tags: Barbara Allen-Diaz (28), CDFA (5), Karen Ross (9)

Collaboration will help feed a hungry world

CDFA secretary Karen Ross and public relations executive Kerry Tucker suggested in an op-ed published yesterday in AgAlert that the best way to meet future international opportunities and challenges in agriculture is with a collaborative and harmonious industry.

The article included information about anticipated global demographic changes from the UC Agricultural Issues Center. According to the AIC, China will more than triple its per capita income by 2030, from $2,802 to $10,718. This kind of wealth tends to result in first-step dietary adjustments that include more consumption of meat, dairy products, fruits, vegetables and nuts.

India's numbers start smaller, from $965 per capita last year to $3,309 in 2030, but its population will continue to grow by 1 percent per year long after China's population peaks in about 2030, according to Daniel Sumner, director of the AIC. As a result, India's population will stay young and energetic for years to come, with a growth rate that could soon overtake China.

Because California farmers and ranchers are located in one of only five regions on earth capable of large-scale production of Mediterranean specialty crops, they are well positioned to prosper in the changing international marketplace.

However, say Ross and Tucker, tension between proponents of large- and small-scale production can get in the way of the cooperation required to meet the food demands of the future.

"Regardless of size or farming practices, we need a continuum of farms and ranches operating as productively as possible while protecting our precious natural resources and the environment. There is truly a place for all in California agriculture," they said.

Dan Sumner said India's population will continue to grow long after China's population peaks.
Dan Sumner said India's population will continue to grow long after China's population peaks.

Posted on Thursday, October 6, 2011 at 9:20 AM

New California ag secretary has many UC ties

Gov. Brown's newly appointed secretary of agriculture, Karen Ross, brings numerous University of California connections to her new office.

An article published yesterday in California Farmer magazine says Ross is a member of:

Ross was designated ANR's delegate to the national Council for Agricultural Research, Extension, and Teaching in 2008, and served as a member of the UC President’s Advisory Commission on Agriculture and Natural Resources.

In 2007, Ross received an "Award of Distinction" from the UC Davis CAES.

"Karen is an excellent sounding board for what issues are on the minds of growers and the kinds of research and education needs that would most impact their efforts to stay competitive in what has become a global wine business,” the award announcement quoted Jim Wolpert, former chair of the Department of Viticulture and Enology. “The department wanted to recognize her for her leadership both in California and nationally."

Most recently Ross, the former president of the California Association of Winegrape Growers, has served as U.S. Agriculture Secretary Tom Vilsack's chief of staff. Some lament the fact that Ross's California connection will be lost at the federal level and believe the fallout could be aggravated by other California power losses, according to an article in the Fresno Bee.

But state ag leaders support the appointment, said the California Farmer article.

"Karen Ross is well-suited for the role of food and agriculture secretary. She has firsthand knowledge about the many challenges farmers and ranchers face each day, not just in California but throughout the nation," the story quotes Paul Wenger, California Farm Bureau Federation president.

Rich Rominger, CDFA Secretary under then-Governor Brown from 1977 to 1982, said Gov. Brown selected the best person for the job.

"Karen Ross is the leader we need to address the critical issues of agriculture, water, clean energy development and climate change," Rominger is quoted.

Ross's appointment must be confirmed by the California State Senate.

Karen Ross
Karen Ross

Posted on Tuesday, January 18, 2011 at 9:17 AM
Tags: CDFA (5), Jim Wolpert (4), Karen Ross (9)

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