Summary – Tractor Sprayer<BR>Lowest coverage at all boom heights was at 9.5 MPH tractor speed (6-8%) <BR> <BR>For 30” and 60” boom heights, negative linear relationship between tractor speed and coverage (R2 > 0.68) <BR>~ 1.2% loss in coverage for each MPH <BR> <BR>Boom height influenced spray coverage as follows: <BR>4.4 MPH: 30” = 60” > 45” <BR>6.5 MPH: 30” = 45” = 60” <BR>9.5 MPH: 45” > 30” = 60” <BR> <BR>Generally, VMD50 increased with tractor speed <BR>30” boom: 4.4 MPH < 6.5 MPH < 9.5 MPH <BR>45” boom: 4.4 MPH < 6.5 MPH = 9.5 MPH <BR>60” boom: 4.4 MPH < 9.5 MPH < 6.5 MPH <BR>306 to 345 microns (coarse droplet size)<BR>