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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N Crop Coefficients Page 1

How Much Nitrogen Do Different Crops Use?

April 29, 2024
By Ben A Faber
The ratio of N applied to N removed is a key metric in the Central Valley Irrigated Lands Regulatory Program (CVILRP). Growers report applied N and yield to agricultural water quality coalitions.
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Problem Solver Field Guide - USA Order Form 2024

Avocado Guide from Down Under

April 17, 2024
By Ben A Faber
The 2nd edition of the Avocado Problem Solver Field Guide is OUT NOW! It contains 14 new disorders (including six spotted mite, panicle dieback and tree lodging), it updates and expands the information provided in the original edition, includes three new beneficial insects and three new exotic pests...
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