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.
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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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double line irrigation

Measuring Irrigation DU?

July 1, 2026
By Ben A Faber
Irrigation efficiency can not be improved unless distribution uniformity of the system is designed appropriately and maintained, especially in low-pressure microirrigation systems which tend to degrade rapidly
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avocado bin

UC Produce Safety Training

July 1, 2026
By Ben A Faber
UC ANR Produce Safety Training SessionsThe University of California Agriculture and Natural Resources is offering reduced-cost Produce Safety Alliance Grower Trainings. The sessions take place virtually and are just $10 for California residents. California growers should be certain to select the California…
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mowed cover crop avocado

Cover Crops Database

June 29, 2026
By Ben A Faber
Cover crops can be broadly defined as any non-cash crop grown in addition to the primary cash crop.  They have the potential to increase soil organic matter (SOM), protect the soil from erosion, improve soil structure and water infiltration, increase soil fertility, and break pest and disease cycles. …
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