Down on a new robot farm, machines tend rows of leafy greens under the watch of software called “The Brain.”
Iron Ox isn’t like most robotics companies. Instead of trying to flog you its technology, it wants to sell you food.
As the firm’s cofounder Brandon Alexander puts it: “We are a farm and will always be a farm.”
But it’s no ordinary farm. For starters, the company’s 15 human employees share their work space with robots who quietly go about the business of tending rows and rows of leafy greens.
Today Iron Ox is opening its first production facility in San Carlos, near San Francisco. The 8,000-square-foot indoor hydroponic facility—which is attached to the startup’s offices—will be producing leafy greens at a rate of roughly 26,000 heads a year. That’s the production level of a typical outdoor farm that might be five times bigger. The opening is the next big step toward fulfilling the company’s grand vision: a fully autonomous farm where software and robotics fill the place of human agricultural workers, which are currently in short supply.
Iron Ox isn’t selling any of the food it produces just yet (it is still in talks with a number of local restaurants and grocers). So for now, those tens of thousands of heads of lettuce are going to a local food bank and to the company salad bar. Its employees had better love eating lettuce.
The farm’s non-lettuce-consuming staff consists of a series of robotic arms and movers. The arms individually pluck the plants from their hydroponic trays and transfer them to new trays as they increase in size, maximizing their health and output—a luxury most outdoor farms don’t have. Big white mechanical movers carry the 800-pound water-filled trays around the facility.
At first, making sure these different machines worked together was tricky. “We had different robots doing different tasks, but they weren’t integrated together into a production environment,” says Alexander.
So Iron Ox has developed software—nicknamed “The Brain”—to get them to collaborate. Like an all-seeing eye, it keeps watch over the farm, monitoring things like nitrogen levels, temperature, and robot location. It orchestrates both robot and human attention wherever it is needed.
Yes, although most of the operation is automated, it still does require a bit of human input. Currently, workers help with seeding and processing of crops, but Alexander says he hopes to automate these steps.
But why go to the trouble of automating farming at all?
Alexander sees it as solving two problems in one: the shortage of agricultural workers and the distances that fresh produce currently has to be shipped.
Rather than eliminating jobs, the company hopes, the robots will fill the gaps in the industry’s workforce. And he believes that by making it possible to grow crops close to urban areas without paying city-level salaries, the automated farms will enable stores to chose vegetables fresher than those that had to travel thousands of miles to get there. That is, assuming the startup can get its prices to match those of traditional competitors.
“The problem with the indoor [farm] is the initial investment in the system,” says Yiannis Ampatzidis, an assistant professor of agricultural engineering at the University of Florida. “You have to invest a lot up front. A lot of small growers can’t do that.” This could risk creating a gap between the big farming institutions and smaller family-owned operations, in terms of gaining access to new technology.
Despite this, Ampatzidis says that bringing automation to both indoor and outdoor farming is necessary to help a wider swath of the agricultural industry solve the long-standing labor shortage.
“If we don’t find another way to bring people [to the US] for labor, automation is the only way to survive,” he says.
Source: Technology Review
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