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Calibration is the process of calculating the volume of a carrier (such as water) applied over a given area.
Spray drift of phenoxy compounds, and the subsequent damage to susceptible crops grown close by, is a major concern in vineyard and vegetable growing districts.
The use of phenoxy herbicides is restricted in Western Australia (WA) under the Aerial Spraying Control Act 1966 and the Agriculture and Related Resources Protection (Spraying Restrict