Blair Blacker of Smart Grow created a new, natural product that prevents weeds, eliminates the need for pesticides, and lets farmer conserve water. It could revolutionize how food is grown, as long as you can overlook the yuck factor.

What is it? Hair. Human hair. And lots of it … Dan Grech of American Public Media’s Marketplace has the interview:

BLACKER: There is a slight nutritional difference between blond hair and black hair, but as far as a plant is concerned, they wouldn’t notice the difference.

GRECH: Which is more nutritional?

BLACKER: Blond tends to be slightly less nutritional. Slightly. I’m not going to say a word.

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From the Upcoming ueue, submitted by Minnesotastan.