On most lettuce farms, workers weave between rows to cull extra heads of lettuce crowding out the healthiest plants. The practice, called thinning, is labor-intensive and a labor shortage has made it difficult to find workers for the task.
In 2011, Jorge Heraud and Lee Redden came up with the idea to use robotics to mechanize lettuce thinning as part of their coursework in Stanford's executive MBA program.
Get ready for robot farmers - Oct. 21, 2014
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