Development of improved air assist sprayer for dense nursery crops : USDA ARS

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Development of improved air assist sprayer for dense nursery crops

H. Zhu, R.C. Derksen, C.R. Krause, R.D. Brazee
USDA-ARS Application Technology Research Unit, Wooster, OH
R.H. Zondag
Ohio State University Extension
Acknowledgement to Herman Losely & Son, Inc. for support

Objectives:

develop a custom-designed, five-port, air-assist sprayer to improve spray penetration into dense nursery canopies while minimizing off-target loss
determine optimal sprayer characteristics such as air velocity and nozzle height to provide sufficient spray deposition for effective pest control within dense canopies.

Lab development	<FONTSIZE=2>Air velocity distribution measurement
Field test	Effect of average peak air velocity inside the canopy on spray deposition within canopies

For more information contact:
Heping Zhu