FRESNO, Calif. — A drone large enough to carry tanks of fertilizers and pesticides has won rare approval from federal authorities to spray crops in the United States, officials said
Source: US gives farmers approval to spray crops from drones
FRESNO, Calif. — A drone large enough to carry tanks of fertilizers and pesticides has won rare approval from federal authorities to spray crops in the United States, officials said
Source: US gives farmers approval to spray crops from drones
Posted: May 11, 2015