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University of California Cooperative Extension Ventura County
669 County Square Drive, Suite 100
Ventura, CA 93003
Phone: 805.645.1451
Fax: 805.645.1474

Office Directory

Office Hours:
Monday - Friday from 9 a.m. to 4 p.m. 

The office will be closed for the following holidays:

May 27 – Memorial Day
June 19 – Juneteenth
July 4 - Independence Day

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Avocado, Citrus, Minor Subtropicals

Ben Faber covers issues of soil management by way of fertilizer, irrigation, and erosion control. In tree crops he works primarily in avocado, cherimoya, litchi, longan, and citrus.


The U.C. Cooperative Extension Farm Advisors have combined to publish this quarterly combined newsletter. It will emphasize citrus and avocado, but will also discuss the minor subtropicals.

Issue Articles Type Date Added
Topics in Subtropics Volume 25 Winter 2024
Sandipa Gautam, Editor
In this issue:
  • California inundated with invasive fruit flies
  • Satellite-based irrigation tools to manage irrigation water more precisely in avocado groves
  • Managing citrus mealybug – does ant control help?
  • Phytoplasma Diseases of Palms in the USA
  • Understanding fruit fly quarantines
  • Cultivating Citrus Resilience to HLB in California
  • Phenology and the Avocado
  • The Annual California Avocado Society Meeting
  • Pre-bloom foliar boron application on olive may improve yield
PDF 2/5/24