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Drones used to spray pesticide over wheat fields
http://www.ecns.cn/visual/hd/2016/05-05/93504.shtml
May 5th 2016, 14:59
Technicians prepare to launch a drone to spray pesticide over wheat fields in Anzhuang Village of Botou City, north China's Hebei Province, May 5, 2016. More than 80,000 mu (5,333 hectares) of rice fields here are sprayed by drones, which have greatly improved efficiency by spraying one mu (0.067 hectares) of field within two minutes. (Xinhua/Mo Yu)
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