DescriptionFreeway Food Forest at Hayes Valley Farm.jpg
English: Trees are pruned for backyard orchards at Hayes Valley Farm, a community-built farm on San Francisco's former Central freeway. After the Loma Prieta earthquake of '89 damaged the onramp and offramp, the lot between Oak Street, Fell Street, Octavia and Laguna was vacant for 21 years before the City authorized the site for interim use. The farm is now a permaculture demonstration site. All the soil has been upcycled from the urban waste stream. The farm has used 1,000 cubic yards of horse manure, 2,000 cubic yards of woodchips, and 100,000 pounds of cardboard to cover over an acre of its 2.2 acre lot.
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