Effects of different adjuvants and nozzles on droplet distribution and drift when applied with UAV

CHEN Yin; QI Haoliang; ZHANG Long; MA Jinlong; JIN Shangjie; LI Guangze; LAN Yubin

doi:10.7671/j.issn.1001-411X.202007037

Journal of South China Agricultural University > 2020 > 41(6): 50-58. > DOI: 10.7671/j.issn.1001-411X.202007037

CHEN Yin, QI Haoliang, ZHANG Long, et al. Effects of different adjuvants and nozzles on droplet distribution and drift when applied with UAV[J]. Journal of South China Agricultural University, 2020, 41(6): 50-58. DOI: 10.7671/j.issn.1001-411X.202007037

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Effects of different adjuvants and nozzles on droplet distribution and drift when applied with UAV

CHEN Yin^{1, 2,},
QI Haoliang^{1, 2},
ZHANG Long^{1, 2},
MA Jinlong²,
JIN Shangjie²,
LI Guangze^1, ,,
LAN Yubin^3, ,

1.
Shenzhen Noposion Agrochemicals Co., Ltd., Shenzhen 518102, China
2.
Shenzhen Yuyan Intelligent Technology Services Co. Ltd., Shenzhen 518102, China
3.
College of Electronic Engineering/College of Artificial Intelligence, South China Agricultural University, Guangzhou 510642, China

More Information

Received Date: July 26, 2020
Available Online: May 17, 2023

Graphical Abstract

Abstract

Abstract

Objective
To explore the influences of different adjuvants and nozzles on the distribution and drift of droplets when applied with UAV in the field environment.

Method
The droplets were dyed by pigment staining. DJI MG-1S was used for spraying. The droplet reception cards were collected, scanned and analyzed. The solutions of different adjuvants (φ=1%) and different nozzles were used to compare the influences of adjuvant and nozzle on distribution of droplets.

Result
In the lab spraying experiments, the solutions of Yuyan oily and Heda adjuvants (φ=1%) showed better effect on increasing droplet size. The IDK 120-01 nozzle increased droplet size most significantly. In the field test, compared with clear water control, all adjuvants reduced drift, most droplets were within two meters of the spraying route. The amount of droplets at 80 cm above the ground was 40%–60% less than that at 50 cm above the ground. Yuyan oily adjuvant had more deposition in the target area. The IDK 120-01 nozzle showed the most deposition in the target area with less droplet number per unit area.

Conclusion
Using adjuvants and large droplet size nozzles can significantly reduce drift and increase deposition in the target area. The anti-drift effects of different adjuvants are significantly different.
- UAV spraying,
- adjuvant,
- nozzle,
- droplet distribution,
- droplet drift

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References (27)

References

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