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Effect of UAV prewetting application during the flowering period of cotton on pesticide droplet deposition

Weixiang YAO, Xianju WANG, Yubin LAN, Ji JIN

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 4, Pages 455-461 doi: 10.15302/J-FASE-2018232

Abstract:

Prewetting process can reduce the contact angle between the droplet and the leaf blade, so that theTo improve the effectiveness of pesticides on cotton leaves, prewetting by single-rotor electric unmannedIn the first experiment, four different prewetting volumes (0, 1.6, 3.2 and 4.8 L) were sprayed by aAfter prewetting, the mean droplet deposition quantity on plots B, C and D increased by 39.8%, 9.7% andThe prewetting rate of 1.6 L per 120 m had the most significant effect on improving the deposition of

Keywords： aerial spray cotton deposition flowering period leaf angle prewetting UAV