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Crop spraying drones help Chinese farmers fly into the future

UPDATED: Sep 19, 2018 21:48 IST
Drones were used to spray cotton fields with pesticide in Xinjiang, covering an area of more than 400,000 hectares. Farmers benefit significantly by replacing manual farming with machinery as drones are able to cover 40 times the area a human would be able to spray in a single day.
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