Unmanned aerial vehicles (UAVs) or drones are usually associated with military applications but they also have immense usefulness in agriculture.Drones are used in Japan’s rural heartland to aid the aging farmer populace spray pesticides and fertiliser. The median age of farmers in the rice-planting region of Tome is 67 years. Similarly, Thailand’s agriculture industry is aging as youngsters below the age of 30 are shunning the profession.