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Tree fruit, Citrus, Avocado, and Nuts

Local field research is conducted by Cooperative Extension advisors, in cooperation with University of California Extension Specialists, Experiment Station personnel and growers. Research efforts target new crops and varieties that are best adapted to local growing conditions and markets. Irrigation, fertilization, and soil management research helps growers use natural resources effectively. Innovations in cultural practices and pest control help local growers produce an abundance of fruits, nuts, cereal grains, vegetables and other crops with environmentally sensitive methods.

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Topics in Subtropics Blog!
  • cherimoya usda drawing
    Art of the USDA

    The USDA Pomological Watercolor Collection is one of the most unique collections in the Rare and Special Collections of the National Agricultural Library (NAL). As a historic botanical resource, it documents new fruit and nut varieties, and specimens...


    By Ben A Faber
    Author - Advisor
  • scorched tree
    Figuring the Loss of Trees

    UC Davis Ag Econ Department has put together a set of crop loss calculators in Excel.  They are generic, but also specific to lemon and avocado.  If you have had damage from the recent fire, take a look at them.  At this point it may be...


    By Ben A Faber
    Author - Advisor
  • fire coming into orchard
    Fire in the Orchard

    The very fact that avocados can be grown in hard to get to places means that the trees are also in areas that are subject to wildfire damage. Recently several hundred acres of avocado burned in the Fillmore/Santa Paula foothills. The fire was fanned by...


    By Ben A Faber
    Author - Advisor