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    Environmental Issues

Farms of the Future Will Run on Robots and Drones — NOVA Next | PBS

On a sunny day in an otherwise rain-soaked May, Forrest Watson, dirt caked on his work boots, kneels in the middle of his uncle's cornfield and points at one of the thousands of knee-high stalks. "This one," he says, "should be over here," poking the soil a few inches away.

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