Imagine walking into your local supermarket. Near the check-out, you see a carousel filled with gift cards from every conceivable chain restaurant, big box retailer, and online giant. Right next to it, you notice a second kiosk—this one lined with rows of gift cards from local farms. This scenario might be a reality sooner than you think, thanks to a growing number of innovative US farmers who are selling gift cards just like the ones you see every day in stores and restaurants. This practice makes it as easy to buy and give the gift of local produce as to download digital music. Gift cards allow farmers to easily swipe…