August 29, 2011 Listen to KPBS Midday Edition this week, Monday to Thursday at noon for discussions about urban farming in San Diego. Follow the link to listen or check the week’s archived programs. Check out San Diego’s Urban Farms: Oases in Food Deserts blog/audio archive from July 2011. San Diego is trying to link urban farms to farmers’ markets and bring a bounty of fresh food to areas of the city sorely lacking in healthy food choices.