The DJI Agras T40 is designed to help cultivators quickly and hands spray orchards , yield fields, and fruit trees. It has a coaxial rotor system that allows the drone to hover and maintain a increasingly stable flight pattern as it sprays . It has ability to spray your field in very few times.Today, the invention of such devices has made the work faster than the blink of an eye. So honestly I want to say that DJI Agras T40 is going to help you a lot in field spraying purpose.