Drones used to do pollination in north China

Source:Xinhua| 2018-04-09 19:27:54|Editor: Mengjie
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Workers add liquid pollen into a drone to do pollination for pear trees in Botou City, north China's Hebei Province, April 9, 2018. Drones were used to do pollination for large scale of pear trees here for the first time in replace of artificial ways, which improved the efficiency and also saved the labor force. (Xinhua/Fu Xinchun)

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KEY WORDS: pollination