North Dakota State University * Dickinson Research Extension Center
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Hard Red Winter Wheat - Recrop Dickinson,ND
                Grain Yield   Average Yield
Variety Days
to
Head
Winter
Survival
Seeds
per
Pound
Height Lodging
Score
Test
Weight
Protein 1997 1998 1999 Returns 2
Year
3
Year
 

fr 1/1

%   in 0-9 lbs/bu % ----------bu/ac---------- $/ac -----bu/ac-----
                           
Agassiz 165 90 14,952 44 1.8 63.7 13.4 61.9 77.9 71.2 159.27 74.5 70.3
Alliance 157 86 13,342 37 0.0 62.3 11.4 59.9 69.9 61.6 105.76 65.8 63.8
Arapahoe 161 90 14,134 39 0.0 61.3 12.9 71.7 73.5 73.3 155.89 73.4 72.8
CDC Kestrel 165 91 15,534 42 0.0 59.6 11.6 74.1 83.6 81.5 143.00 82.5 79.7
Crimson 161 89 14,940 39 0.0 64.4 13.1 -- 71.1 71.8 157.53 71.4 --
Elkhorn 167 86 14,909 42 0.3 62.0 12.9 66.3 81.6 68.9 140.74 75.3 72.3
Erhardt 162 89 15,742 37 0.0 61.8 13.3 72.9 67.2 66.0 153.71 66.6 68.7
Nekota 157 90 12,492 32 0.0 62.7 12.8 64.3 69.2 61.6 135.30 65.4 65.0
Norstar 168 86 14,333 46 1.3 63.6 12.5 -- 74.4 70.1 138.05 72.2 --
Ransom 163 78 14,940 39 0.0 60.9 12.3 66.1 78.7 67.3 134.18 73.0 70.7
Roughrider 164 88 14,920 42 0.3 63.7 13.2 68.1 70.9 59.1 132.83 65.0 66.0
Seward 166 89 13,898 42 0.0 60.6 11.8 68.2 83.8 76.0 146.80 79.9 76.0
Tandem 160 89 11,649 38 0.0 63.2 14.0 -- 59.2 63.1 135.35 61.2 --
Windstar 159 81 14,082 38 0.3 64.5 13.3 68.3 77.6 63.5 131.36 70.6 69.8
                           
Trial Mean 162 88 14,105 40 0.2 62.3 12.9 67.0 75.4 69.2 143.01 -- --
C.V. % 0.9 7.8 5.8 4.1 138.6 1.6 1.6 10.3 6.8 7.5 7.0 -- --
LSD .05 2 10 1,153 2 0.3 1.4 0.4 9.7 7.2 7.3 20.71 -- --

Planting Date: September 15, 1998
Harvest Date: August 9, 1999

Lodging 0=No lodging, 9=Completely flat

Returns were calculated by multiplying the 1999 yield by protein premium or discount paid at the Southwest Grain Terminal located at Gladstone on August 26, for all plots in two of the four blocks included in the experiment. The price paid on this date was $1.98/bu, assuming that grain protein concentration was 12%. An additional $.03/bu was paid for each additional 0.2% increase in grain protein up to 13% protein, above which no additional premium was paid. Grain was discounted $0.08/bu for each 0.2% reduction in grain protein from 12% to 10%, below which no additional discount was assigned. Returns factored in discounts for grain with a test weight <60 lb/bu [-$0.01/bu per 1 lb/bu between 60 and 58 lb/bu; -$0.01/bu per 0.5 lb/bu between 58 and 57 lb/bu; -$0.02/bu per 0.5 lb/bu between 57 and 55 lb/bu; and -$0.04/bu per 0.5 lb/bu between 55 and 50 lb/bu; and -$0.06/bu per 0.5 lb/bu between 50 and 46 lb/bu].


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