Understanding sprayer performance could mean the difference between adequate pest control and disease management-and disaster. Accurate pesticide application depends on the proper maintenance and calibration of the sprayer. Topics covered in this four-page fact sheet are precalibration check, field calibration, travel speed, pressure check, nozzle output, calculating application rate, correcting sprayer output, field checks, and application tips. The fact sheet includes eight helpful illustrations and four informative calculations. The fact sheet was written by Richard C. Derksen, assistant professor of agricultural and biological engineering at Cornell University.
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