Small and Organic Farm Advisor
University of California
Small and Organic Farm Advisor


Bacterial Wilt and Canker of Field-Grown Tomatoes, Clavibacter michiganensis subspecies michiganensis (Cmm)

Sunken stem cankers are often abundant as the disease advances

Summer 2018 has seen a surge of this disease around Yolo County.  Conditions have been more optimal.   Although it is a vascular pathogen like those causing Fusarium and Verticillium wilt, this one differs in that it is bacterial and has...

Posted on Wednesday, August 8, 2018 at 4:01 PM

Large flea beetles are abundant this spring and may surprise you


Flea beetles have been abundant this spring and have been a surprise to many because larger genera of flea beetles and resulting larger holes have been present. The stable, warm spring with few heat waves has been favorable to their development. ...

Posted on Wednesday, June 20, 2018 at 10:46 AM
Tags: Flea beetle (1), insect (1), pepper (1), pest (1), vegetable (1)

Many organic soil amendments provide nitrogen, but when is that nitrogen plant-available?

Figure 1

Working with the Geisseler Lab at UC Davis, we have been evaluating a number of commonly used organic amendments to understand when the nitrogen (N) applied with various amendments actually becomes available for plant use. We have assembled this graph...

Posted on Monday, March 12, 2018 at 2:02 PM

Lots of events in March

Check out the calendar to see what's happening in March in Yolo/Solano/Sacramento Counties. Insectary Cover Crop Field Day Guild Raising Barn Owls and Bats and their Benefits Farm Finance Expo  

Posted on Monday, March 5, 2018 at 8:19 AM

Agritourism Workshop for Yolo County, November 14 - 15, 2017

A professional development workshop for agricultural and tourism professionals, agritourism leaders and government staff and officialsWould you like to assist farmers and ranchers in your region develop and promote successful agritourism enterprises?We...

Posted on Tuesday, August 29, 2017 at 12:46 PM

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