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>