Researcher explores drone-driven crop management

A flock of pigeons flies over the soybean field where J. Craig Williams is standing. He reaches down and rips off a brown pod from one of the withered plants and splits it open. Grabbing a tiny bean between his calloused fingers, he flips it up into his mouth and bites down. "You want them to crack or pop between your teeth," he said while chewing on the brown bean. "That's how you know when they're mature and ready for harvest."

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