Brent Ware, a member of the robotics team at Kansas State, stands next to a planting robot that won a national competition. Jeremy Bernfeld/Harvest Public Media hide caption

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Argentina has long been famous for its grilled beef. But that beef isn't what it was. Galina Barskaya/iStockPhoto.com hide caption

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Early morning view of an automated irrigation system in on a farm in Sudlersville, MD

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How much is it worth?

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