Drones improve crop management in Inner Mongolia

Drones are used to apply pesticides and fertilizers to crops in Hulunbuir, Inner Mongolia autonomous region, on Tuesday. (Photos: Xinhua)

Drones are used to apply pesticides and fertilizers to crops in Hulunbuir, Inner Mongolia autonomous region, on Tuesday.

Drones are used to apply pesticides and fertilizers to crops in Hulunbuir, Inner Mongolia autonomous region, on Tuesday.

Drones are used to apply pesticides and fertilizers to crops in Hulunbuir, Inner Mongolia autonomous region, on Tuesday.