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Wheat Yield Estimations
5/2/2003
Ron F. Meyer
Area Extension Agent (Agronomy)
Colorado State University Extension
Golden Plains Area		 Ron F. Meyer, Area Extension Agent
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Use the following steps to estimate wheat yields:

1. Count all tillers and main stalks (potential heads) in 12 inches in two adjacent rows.
2. Measure row spacing.
3. Estimate yield from Table 1 based on tiller count and row spacing.

Table 1. Estimated wheat yields as determined by tiller number counted in a 1-foot section from two adjacent rows.
Tillers/2 Ft.of Row Row Width (in)
  7.5 8 10 12
  Yield (bu/a)
5 8 8 7 6
10 12 12 10 9
15 16 16 13 12
20 20 19 16 14
25 23 22 19 17
30 27 25 22 19
35 30 28 24 21
40 32 31 27 23
45 35 34 29 25
50 38 36 31 27
55 40 38 33 29
60 42 41 35 31
65 44 43 37 33
70 47 45 39 34
75 49 47 41 36
80 50 49 42 38
85 52 50 44 39
90 54 52 45 41
95 56 54 47 42
100 57 55 49 43
105 59 57 50 45
110 61 58 51 46
115 62 60 53 47
120 63 61 54 49
125 65 63 55 50
130 66 64 57 51
135 68 65 58 52
140 69 67 59 53
Source: Scott Staggenborg, Jim Shroyer and Robert Bowden
 
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5/12/2003
 		  
 
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