Topics in Subtropics

Topics in Subtropics Blog
You can subscribe to this  blog with multiple entries per week reflecting what's happening with subtropical crops and upcoming educational events.  Just click on the "Subscribe" button just to the right of this paragraph.  There's also our seasonal quarterly Topics in Subtropics newsletter found at our Ventura, Santa Barbara, San Luis Obispo, Riverside, San Diego, Tulare and Kern Counties Cooperative Extension websites.

Tree Wound Progression

July 14, 2026
By Ben A Faber
Trees have a natural capacity to heal after improper pruning or damage to the bark. This healing needs to be encouraged.
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heat damage

Heat and the Avocado

July 13, 2026
By Ben A Faber
A past  blog post discusses how growers can alleviate the damage caused by excessive temperatures.To begin with, assess the damage to your trees. If your trees have been lightly “toasted,” it’s best to leave the trees alone. While the terminal buds may have been damaged — and will most likely not…
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seed weevil damage

Native Avocado Seed Weevil

July 10, 2026
By Hamutahl Cohen
A native seed weevil will go after avocado fruit that is down on the ground, either fallen or hanging low on the tree. It is best to remove these fruits so that the weevil numbers don't multiply.
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Sanchez Soils 2nd edition

Soils Live in Books

July 8, 2026
By Ben A Faber
Pedro Sanchez recently died and his death reminds of two great soil text books - his Properties and Management of Soils in the Tropics, and Singer and Munns, Soils and Introduction. Both texts integrate the compexity of soils into chapters that are highly readable and show how seemingly different parts of…
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escholarship

Accessing UC Publications

July 7, 2026
By Ben A Faber
Browse the UC ANR publications through the open-access eScholarship library.  Try the link here to the query “organic amendments” that is typed into the question rectangle in the top, right of the page. https://escholarship.org/search?q=organic+amendments&searchType=eScholarship&searchUnitType=series
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