The 2014 and 2018 U.S. Farm Bills legalized the production of industrial hemp for cannabidiols, seed, and fiber. The relatively new industry has been challenged by wind-blown cross-pollination between neighboring hemp fields. (IMAGE)

Virginia Tech

The 2014 and 2018 U.S. Farm Bills legalized the production of industrial hemp for cannabidiols, seed, and fiber. The relatively new industry has been challenged by wind-blown cross-pollination between neighboring hemp fields.

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The 2014 and 2018 U.S. Farm Bills legalized the production of industrial hemp for cannabidiols, seed, and fiber. The relatively new industry has been challenged by wind-blown cross-pollination between neighboring hemp fields.

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Photo by Dan Mirolli for Virginia Tech.

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Photo by Dan Mirolli for Virginia Tech.

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