The "if you can make a robot" problem for this use-case is quickly becoming "when you can make a robot" that. See, e.g., these (mostly) roboticized lettuce farm

The "if you can make a robot" problem for this use-case is quickly becoming "when you can make a robot" that. See, e.g., these (mostly) roboticized lettuce farms: http://www.fastcoexist.com/3050750/this-robot-run-indoor-farm-can-grow-10-million-heads-of-lettuce-a-year http://www.fastcoexist.com/3050750/this-robot-run-indoor-far...