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Robots built and programmed to perform tedious, back-breaking tasks such as thinning and weeding lettuce fields could make labor shortages on the farm a distant nightmare for industrial agricultural operations of tomorrow.

Such a machine, known as the Lettuce Bot, is under development at Blue River Technologies, a company headed by a pair of Stanford University-trained engineers and backed by marquee Silicon Valley investors including Kholsa Ventures and startup guru Steve Blank, the Economist reports.