Grain Harvest Losses
Table 1 - Average Loss Results for Tested Crops in North Dakota
1974
1975
Hard Red Spring Wheat
Durum
Barley
Oats
Hard Red Spring wheat
Barley
Shatter and Cutter Bar
(Bu/Acre)
0.70
0.66
1.13
0.54
0.98
2.57
% of Total Loss
65%
63%
63%
47%
82%
87%
Cylinder and Seperation
Loss (Bu/Acre)
0.37
0.39
0.66
0.6
0.21
0.39
% of Total Loss
35%
37%
37%
53%
18%
13%
Total Loss (Bu/Acre)
1.07
1.05
1.79
1.14
1.19
2.96
Crop yield (Bu/Acre)
21.10
28.20
46.20
48.80
41.70
52.70
% of Crop Lost
4.80%
3.60%
3.70%
2.30%
2.80%
5.30%
Figure 2 - Grain Losses in the Field at Harvest Time
Figure 3 - Typical Combine Performance
Minnesota Association of Wheat Growers
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