Effect of flight velocity on droplet deposition and drift of combined pesticides sprayed using an unmanned aerial vehicle sprayer in a peach orchard.

In terms of Cov within the canopy, the upper canopy coverage (Cov Upp ), middle canopy coverage (Cov Mid ), and lower canopy coverage (Cov Low ) all exhibited an increasing trend with an increase in the flight velocity, such that the Cov Mid at 1 m/s was 2.44%, and the Cov Mid at 3 m/s increased to 6.49%.

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