Systems of nozzle classification (BCPC, ASAE) have been developed around the world to unify and simplify the description of droplet size ranges that different nozzles are producing.
Accordingly, nozzles can be classified as producing an EXTREMELY COARSE, VERY COARSE, COARSE, MEDIUM, FINE and VERY FINE spray quality.
The spray quality a nozzle produces is very important. Generally, FINE spray quality will increase potential for coverage, but the small droplets are very prone to drift and environmental loss (evaporation).
On the other hand, COARSE spray quality with larger droplets will greatly reduce drift potential but may compromise coverage, especially on small targets.
Choosing the coarsest spray quality without compromising efficacy is the trick. Refer to the information provided by the manufacturer of the chemicals being used, e.g. chemical labels or data sheets, or consult the Nufarm Spraywise Boom Spray Application Guide – available from Nufarm or Croplands.
An important point to remember when choosing a spray nozzle is that one nozzle can produce different spray qualities at different pressures. For example, an AirMix 02 will produce a COARSE spray quality at 3 bar, but a MEDIUM spray quality at 5 bar.
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Croplands Equipment has been in the business of manufacturing Spraying Equipment since 1972.
In 1988, Croplands became part of Nufarm, one of the worlds largest chemical and crop protection companies, ...