Robotic weed killers challenge fertiliser industry

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Robotic weed killers challenge fertiliser industry

Precision tech to slash need for chemicals.

In a field of sugar beet in Switzerland, a solar-powered robot that looks like a table on wheels scans the rows of crops with its camera, identifies weeds and zaps them with jets of blue liquid from its mechanical tentacles. Undergoing final tests before the liquid is replaced with weedkiller, ...

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