Tiny Weed-Killing Robots Could Make Pesticides Obsolete

This swarm of robots may herald a chemical-free food revolution

Farmer Georgie
OneZero
Published in
12 min readJul 1, 2020

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A row of the robots lined up in front of a shed.
The fleet of Greenfield Robotics weedbots ready and waiting for beta test trials. Photos courtesy of Greenfield Robotics.

Clint Brauer’s farm outside of Cheney, Kansas, could be described as Old MacDonald’s Farm plus robots. Along with 5,500 square feet of vegetable-growing greenhouses, classes teaching local families to grow their food, a herd of 105 sheep, and Warren G—a banana-eating llama named after the rapper—is a fleet of ten, 140-pound, battery-operated robots.

Brauer, the co-founder of Greenfield Robotics, grew up a farm kid. He left for the big city tech and digital world, but eventually made his way back to the family farm. Now, it’s the R&D headquarters for the Greenfield Robotics team, plus a working farm.

When Brauer returned to his agricultural roots, he did so with a purpose: to prove that food could be grown without harmful chemicals and by embracing soil- and planet-friendly practices. He did just that, becoming one of the premier farmers growing vegetables in Kansas without pesticides, selling to local markets, grocery store chains, and chefs.

But it wasn’t enough to make the difference Brauer was hoping for. Sure, he was growing a lot of environmentally friendly, pesticide-free vegetables. But a few acres in chemical-free vegetable production was nothing compared to…

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Farmer Georgie
OneZero

Farmer. Writer. Journalist. Farm life, food & ag. Email at farmergeorgiewrites@gmail.com. Follow at farmergeorgiewrites.substack.com. Open for assignments.