Robots May Become Essential on US Farms

By JACOB ADELMAN, Associated Press Writer, Electronic Devices / Robotics

This undated image provided by Ramsay Highlander, Inc., shows company technicians operating a mechanical harvester on a lettuce field in the Imperial Valley near El Centro, Calif. With authorities promising tougher border tactics, farmers who rely on immigrant labor are eyeing an emerging generation of fruit-picking robots and high-tech tractors designed to do everything from pluck premium wine grapes to clean and core lettuce. (AP Photo/Ramsay Highlander, Inc. )

(AP) -- With authorities promising tighter borders, some farmers who rely on immigrant labor are eyeing an emerging generation of fruit-picking robots and high-tech tractors to do everything from pluck premium wine grapes to clean and core lettuce.

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