Urban Farming magazine gave its readers a "whirlwind introduction" to a few Los Angeles residents and programs that are working to bring back a modicum of the metropolis' agricultural past. The first vignette in "Urban Farm Road Trip, Los Angeles" featured Yvonne Savio and the UC Cooperative Extension Common Ground Program she coordinates.

Most counties in the country have a Cooperative Extension service that dispenses agricultural, horticultural and nutritional information, the article said. But the program in Los Angeles...