Sonoma County -- Buoyed by higher wine grape production, the value of the county’s agricultural sector bumped up some 12 percent in 2009 despite the lame economy, according to the latest Sonoma County Agricultural Crop Report.The county’s 2009 farm year resulted in a gross value of $653,236,600 as compared with $583,386,800 in 2008, according to the report. The value of wine grapes, production of which was up 22 percent, was $465 million in 2009 compared with $378 million in 2008. Total vineyard acreage for all varieties, including bearing and non-bearing land, was 62,907.2 acres in 2009 compared with 61,971.6 acres in 2008, according to the report.