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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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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avocado bin

Crop Reports Are Coming In

June 25, 2026
By Ben A Faber
The 2025 Crop Reports for California counties are starting to come in.  These are the details of what happened last year. They are the closest data we have for what is "currently" going on with a county's agricultural activity, so it's not right up to the minute.  It's up to the year.  Here…
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Navel orange

Hass Avocado and Navel Orange Impacts

June 22, 2026
By Ben A Faber
The navel orange arrived in southern California and made growers rich, creating a citrus empire.  The 'Hass' avocado was found in an orchard in La Habra Heights and has spread around the world.  A wonderful documentary covering these two game changing fruit is covered in a recent documentary from…
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