SYMPOSIA PAPER Published: 01 January 1996
STP16044S

Surfactant Effects on Aerial Spray Droplet Spectra

Source

Volumetric droplet size spectra of selected non-ionic surfactants as tank mix additives were evaluated in a wind tunnel. Metsulfuron methyl and paraquat were mixed at recommended rates prior to the addition of the surfactants. Four concentrations, 0.0625, 0.125, 0.250, and 0.500% v/v of six surfactants were atomized in a 58 m/s (131 mph) airstream using a D6-46 nozzle at 45 degrees down and back. Dv0.5, DvO.1 decreased with increasing surfactant concentration and % volume < 150μm increased. Significant differences between surfactants were detected.

Author Information

Ledson, TM
Plant Pathology, and Weed Science, New Mexico State University, Las Cruces, NM
Huddleston, EW
Plant Pathology, and Weed Science, New Mexico State University, Las Cruces, NM
Sanderson, R
Plant Pathology, and Weed Science, New Mexico State University, Las Cruces, NM
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Details
Developed by Committee: E35
Pages: 203–208
DOI: 10.1520/STP16044S
ISBN-EB: 978-0-8031-5327-1
ISBN-13: 978-0-8031-2007-5