spot sprayed. Hence, a farmer saves the time he could have taken to walk around the entire acreage. As well, spotspraying saves the farmer a great deal of input. You can't compare the amount of chemicals used to spray,r the enu're farm with that used in spotspraying. Most unportantly, the benets of using little amounts of chemicals on the environment are immense. Livestock farmers or ranchers also stand to benefit from UAVs. For instance, UAVs can he used