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MICRONAIR AU8000 SPRAYER
Fig. 3 – Coverage of Sprayer
3. Calculate the area treated by the sprayer per minute. Fig. 3 shows the sprayer being
operated over a field crop.
If the operator is walking at S Km/Hr this corresponds to 1000 x S metres/hour:
Distance travelled = 1000 x S metres/minute
60
If the width of the swath is W metres, then the area treated per minute is:
Area treated = 1000 x S x W sq metres/minute
60
This is converted to hectares by dividing by 10,000:
Area treated = 1000 x S x W = S x W ha/minute
60 x 10,000 600
This gives the standard formula for calculating the coverage of a sprayer:
Area/min = Swath Width (m) x Speed (Km/Hr) ha/min
600