Topics in Subtropics

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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.
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soil heading pictures

Soil Taxonomy Keys

February 3, 2023
By Ben A Faber
The Keys to Soil Taxonomy, 13th edition, has been posted to the USDA, NRCS website. The Keys to Soil Taxonomy provides the taxonomic keys necessary for the classification of soils in a form that can be used easily in the field.
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fertilizer injection

Avocado Food for Thought - Fertilizer Workshop

February 1, 2023
By Ben A Faber
February 15 (10 AM - 12 PM) In-Person and Zoom How to apply them and how to choose them. Dr. Danny Klittich - Director of Agronomy at Mission Produce How to choose and what to look out for with different fertilizer application methods (venturi, water-powered, batch tank, electric powered, etc.
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avocado lace bug damage and hnad

ALB is Spreading

January 30, 2023
By Ben A Faber
In 2004, Avocado Lace Bug was identified in backyard trees in Chula Vista and National City in San Diego County, probably originating from Mexico. Later in 2017, ALB was being picked up in the Oceanside, Fallbrook, and Temecula areas apparently originating from more Caribbean/Florida sources.
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asphyxiated avocado

Rain and Mud in the Orchard

January 27, 2023
By Ben A Faber
What Can Happen With Too Much Rain? And Mud? Rain is wonderful stuff. If it comes and washes the accumulated salts of the last several years out of the root zones of citrus and avocado, that's a good thing.
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