Designing the perfect weed killer

10/01/2018 | 5m 37s | Video has closed captioning.

Weeds are one of the biggest threats to a farmer’s crop. But it’s bad for the environment and expensive to just spray herbicides everywhere. Researchers are studying the best ways to help farmers.

Aired: 10/01/18

Rating: NR

Problems Playing Video? | Closed Captioning

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