Weeding robots can sometimes struggle to tell weeds from crops, but genetically modifying the plants we want to keep to make them brightly coloured would make the job easier, suggest a group of researchers
Common crops, like wheat or maize, could be genetically altered to be brightly coloured to make it easier for weeding robots to do their job, suggest researchers.
Crops could also be grown to have unusually shaped leaves or to have characteristics that are invisible to the naked eye but detectable by sensors, such as in the infrared spectrum, they say.
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