Craft Air Services, LLC
Professional Aerial Application Services
252-426-9676
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March 2011
It has been one cold wheat season so far!  
Acres are up due to good fall conditons
and higher prices at the market.  Aerial
fertilization and herbicide have begun.  
Protect your profits by protecting your
wheat. Call today to schedule your
application.  
The table below shows the per acre cost of an 8% yield loss
due to wheel tracks in drilled soybeans in a $10-$14 market.  
Row Spacing
Yield with
no Tracks
Yield with
Tracks
Bu./Acre
Loss
%Bu/Acre
Loss
7.5"
70.2
64.6
5.6
8%
15"
70.5
66.0
4.5
6.4%
30"
65.6
64.1
1.5
2.3%
This table shows the same information for 30" rows and a
2.3% yield reduction
2.3% loss
30" rows
$10.00
$11.00
$12.00
$13.00
$14.00
35 bu/Acre
$8.05
$8.86
$9.66
$10.47
$11.27
40 bu/Acre
$9.20
$10.12
$11.04
$11.96
$12.88
45 bu/Acre
$10.35
$11.39
$12.42
$13.46
$14.49
50 bu/Acre
$11.50
$12.65
$13.80
$14.95
$16.10
55 bu/Acre
$12.70
$13.92
$15.18
$16.45
$17.71
Counter
8% loss
7.5" rows
$10.00
$11.00
$12.00
$13.00
$14.00
35 bu./Acre
$28.00
$30.80
$33.60
$36.40
$39.20
40 bu/Acre
$32.00
$35.20
$38.40
$41.60
$44.80
45 bu/Acre
$36.00
$39.60
$43.20
$46.80
$50.40
50 bu/Acre
$40.00
$44.00
$48.00
$52.00
$56.00
55 bu/Acre
$44.00
$48.40
$52.80
$53.60
$61.60