Farmers in the Yunnan province in northwest China have substituted helicopters for jets to spray crops , speeding up the crop - ripening process . The adoption of unmanned aerial vehicles ( UAVs ) , from companies such as Xaircraft , marks a transition from traditional agricultural processes .
Farmers in the Xinjiang region in northwest China have swapped tractors for drones to spray crops, speeding up the crop-ripening process. The adoption of unmanned aerial vehicles (UAVs), from companies such as Xaircraft, marks a transition from traditional agricultural processes.