The data that is collected by drones (using multispectral camera) can be used to create maps of crop health showing the gaps inside the farms, stressed area, disease and damaged area. This map using the green color to represent the healthy plants , brown or yellow for the stressed plants and red for the damaged plants. These maps can be used by farm consultants  to make informed decisions about crop production improvement, such as how much fertilizer to apply and which area needs to be recultivated.