Sidney, left, her father David, and Katy Lesser Clowney sort apples that have come back from the market unsold. They may go to Knouse Foods, the cider mill, or into the cull bin. Richard Lehnert Before joining the family business at Cashtown, Pennsylvania, Sidney Kuhn earned a degree in landscape architecture from North Carolina State University in 2001 and worked at a land conservancy that acquires development rights to keep land in farming.   “In 2006, I asked my parents if I could come back home,” said Sidney, who represents the fifth generation at Kuhn Orchards. Her parents, David and […]