DW DW News November 28, 2019 23:27:00
Normally spray their feelings taking hours even days. now these farmers learn how to fly the drone and it's relatively inexpensive and much quicker. a troll can fly with the speed readjust one hectare with 10 litters what be 3 minutes. really calculate that within one hour we can spray 8 hectares of the liquid sprayed across the surface of the stagnant water forming a thin film this suffocates the mosquitoes after $3.00 to $4.00 weeks the liquid then breaks down naturally then sprayed again. the drones can be controlled manually off like completely by itself the pilot knowing the g.p.s.