The 100 miles between the agricultural fields that surround Davis, Sacramento and the Sierra Foothhills and the culinarily rich city of San Francisco can seem vast to farmers who lack the connections needed to market their produce to Bay Area buyers. 

That gap was bridged this week for a group of 25 small, beginning and ethnic farmers when the Agricultural Sustainability Institute (ASI) at UC Davis and the Sacramento County UC Cooperative Extension hosted a day-long bus tour that began in Sacramento early Tuesday morning. Farmers boarded a bus bound for the Bay Area, where they met wholesale food buyers. 

“Many buyers are eager to meet small-scale farmers who can supply the rapidly expanding market for...