Robots May Become Essential on US Farms

(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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<p><a href="http://www.physorg.com/news108278117.html">Robots May Become Essential on US Farms</a></p> <p>(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.</p>