Putting robots down on the farm

A startup is rolling out automated weed cutters at a moment when COVID-19 has made farm work more dangerous for human beings.

Why it matters: Robots in all fields have received a lift from the effects of the coronavirus pandemic, and farming is no different. One of the oldest occupations in the world could be the next to be automated.

There are two ways to remove weeds from the farms growing specialty crops like lettuce. One is to use herbicides — but such chemicals have increasingly come under fire for their alleged toxicity. The other is to employ workers to do the back-breaking labor of pulling out weeds by hand — but those workers have become harder to find due to shrinking labor pools and immigration restrictions.

  • The startup FarmWise is offering a third option: robots. The company’s Titan weed cutters autonomously trawl through fields, detecting and destroying weeds with retractable hoes.
  • The robots use cameras and machine vision to create a 3D map of the farm plot and tell weeds from commercial plants.
  • «One of the robots can replace the entire workflow for weeding, equivalent to a crew of 15 to 20 people,» says Sébastien Boyer, FarmWise’s CEO.

How it works: Like an increasing number of robot suppliers, FarmWise provides its Titan weed cutters — eight of which are currently operating in California’s Salinas Valley — on a service model, charging farmers by the acre.

  • Boyer sees FarmWise’s robots eventually expanding to collect detailed data on farm plots, including everything from temperature to humidity to soil salinity. The result would be farming that is both automated and precise.
  • With COVID-19 hitting migrant farm workershard, robots could also be a safer option — albeit at the potential expense of those jobs.

What’s next: For all their associations with nature, American farmers have been quick to adopt new technology, from the rotary combines of the 1970s to the self-steering, GPS-enabled tractors used today. With that technology has come the consolidation of farms and a drastic drop in the number of farmers.

The bottom line: With the annual shipment of mobile farm robots expected to grow by a hundredfold over the next decade, U.S. farms will become more efficient — and much emptier.

Πηγή: axios.com

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