As the USDA works to promote urban farming as an economic opportunity in cities across the country, Baltimore is serving as an inspiration, Vilsack said. The department is looking to multiply the number of urban farms across the country, and on Friday it was promoting an urban agriculture tool kit (at usda.gov/knowyourfarmer) on its Web page. "You all helped to start this," he said. "It was a conversation that took place in Baltimore."