Some nozzle manufacturers advertise that their nozzle gives larger and more uniform droplets, better coverage, and can be used at lower volumes than other nozzles. Is this true?
No. Low-drift nozzles are designed to reduce drift, and they do this by eliminating many of the finer droplets and adding some larger ones. Therefore, a low-drift spray reduces the number of droplets available for coverage, even if they are ‘more uniform’. In practice, this is offset by maintaining a higher carrier volume and optimizing pressure for the specific nozzle. If you want to reduce water volumes, you need to use finer sprays to keep droplet number up. But you can compromise. Use a reasonable water volume 19 to 26 L/ac (5 to 7 GPA U.S.
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