China’s SZ DJI Technology Co., the world’s top consumer-drone maker, is setting its sights on the agriculture industry with the launch of a crop sprayer that will test whether farming is fertile ground for drone technology.

DJI, which helped kick-start the global craze for drones with its $1,000 easy-to-fly devices, has unveiled an eight-rotor drone priced at roughly $15,000 that is designed to spray pesticides on crops, a spokesman said. DJI said the drone, which has a 2.6-gallon spray tank and a typical takeoff weight of...