North Dakota State University * Dickinson Research Extension Center
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Hard Red Spring Wheat - Recrop Dickinson, ND
            Grain Yield   Average Yield
Variety Days
to
Head
Seeds
per
Pound
Plant
Height
Test
Weight
Protein 1997 1998 1999 Returns 2
Year
3
Year
      in lbs/bu % ----------bu/ac--------- $/ac -----bu/ac-----
Semidwarf                      
377S 59 18,407 30 52.2 15.7 -- -- 47.8 145.69 -- --
Argent 60 14,253 36 60.4 16.6 36.2 63.7 45.6 158.29 54.7 48.5
Aurora 63 17,307 28 56.0 15.1 -- -- 51.8 165.09 -- --
Conan 60 14,234 29 62.1 14.9 -- -- 44.6 143.90 -- --
Dandy 61 14,089 35 61.8 15.9 53.6 54.6 51.8 174.98 53.2 53.3
Forge 58 15,566 35 61.3 15.5 40.4 67.7 53.9 189.42 60.8 54.0
Grandin 62 14,960 35 56.4 16.4 42.1 64.2 48.9 164.10 56.6 51.7
Hagar 62 14,347 30 57.5 15.6 49.3 73.2 45.9 151.25 59.6 56.1
HJ98 61 16,669 31 57.6 15.2 43.0 67.6 51.2 160.62 59.4 53.9
Ivan 63 16,787 29 56.0 14.7 -- 75.2 52.9 154.75 64.0 --
Lars 62 15,507 27 55.4 15.2 42.9 71.8 51.3 167.98 61.5 55.3
McVey 64 15,792 33 55.7 15.7 -- 72.7 51.6 176.31 62.2 --
Nora 61 14,223 27 58.4 17.0 38.0 60.8 46.9 166.01 53.8 48.6
Norpro 60 15,588 30 58.8 14.4 -- -- 54.9 155.56 -- --
Oxen 59 14,975 30 58.4 15.5 48.2 68.6 53.6 185.33 61.1 56.8
Reeder 61 14,578 32 60.0 15.7 57.3 67.9 48.7 140.85 58.3 58.0
Verde 63 15,888 31 60.0 15.5 45.2 64.8 48.4 178.74 56.6 52.8
2375 60 14,338 32 62.2 16.2 31.1 68.2 47.1 157.68 57.6 48.8
2398 63 14,357 32 60.9 15.9 48.0 72.9 47.9 170.53 60.4 56.3
                       
Conventional                      
AC Abbey 62 17,504 35 53.2 16.3 -- -- 43.3 132.16 -- --
AC Barrie 62 15,781 37 60.5 16.4 49.6 54.5 47.8 167.68 51.1 50.6
AC Cadillac 61 14,962 40 63.6 16.3 48.2 61.3 50.6 178.45 55.9 53.4
AC Intrepid 59 13,483 37 58.1 15.8 -- -- 50.0 144.23 -- --
Amidon 62 15,065 37 60.2 14.7 53.7 66.7 50.2 144.99 58.5 56.9
Butte 86 59 14,616 33 60.5 15.9 47.4 67.3 44.8 160.34 56.0 53.2
Ember 60 17,086 33 59.3 15.7 -- 71.4 51.5 165.77 61.5 --
Ernest 62 15,822 37 61.2 16.7 44.1 69.2 45.3 154.12 57.3 52.9
Gunner 63 16,941 36 61.3 16.6 52.3 60.6 47.4 163.79 54.0 53.4
Ingot 58 15,467 38 64.5 15.7 45.4 63.6 54.6 190.69 59.1 54.5
Keene 63 15,750 40 62.0 15.3 54.6 62.2 49.1 159.25 55.6 55.3
Kulm 60 15,351 36 64.3 16.2 34.3 61.9 51.7 183.38 56.8 49.3
Majestic 64 16,516 39 59.4 16.3 37.7 59.9 43.9 154.99 51.9 47.2
McKenzie 59 15,694 36 58.8 15.9 -- -- 48.3 166.92 -- --
Mercury 60 13,975 27 59.8 15.3 -- -- 47.2 149.16 -- --
Parshall 61 15,255 37 61.4 16.3 47.4 65.5 45.1 147.23 55.3 52.7
Prodigy 63 16,415 40 57.4 17.5 -- -- 43.9 150.19 -- --
Russ 61 16,018 37 57.3 15.9 42.9 68.3 53.1 179.03 60.7 54.8
Scholar 61 15,371 35 58.4 16.3 -- 62.2 44.4 153.10 53.3 --
Sharp 59 13,785 36 62.2 15.6 37.6 63.4 48.0 179.55 55.7 49.7
Trenton 62 14,629 41 58.3 15.8 41.6 69.5 46.7 171.77 58.1 52.6
                       
Trial Mean 61 15,385 34 59.6 15.8 44.5 65.0 47.9 159.47 -- --
C.V. % 1.8 6.7 7.1 2.8 2.9 29.6 9.3 8.0 9.0 -- --
LSD .05 2 1,446 3.4 2.3 0.9 NS 8.4 5.4 28.76 -- --

Planting Date: April 28
Harvest Date: August 10

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 (grain protein concentration was determined for plots in only two out of four blocks because of budgetary constraints). The price paid on this date was $2.79/bu, assuming that grain protein concentration was 14%. An additional $.04/bu was paid for each additional 0.25% increase in grain protein up to 15% protein, where an additional $0.30/bu was paid. An additional $0.02/bu was paid for each additional 0.2% increase in grain protein up to 16%, above which an additional premium was not paid. Grain was discounted $0.12/bu for each 0.25% reduction in grain protein from 14% to 13%. Grain was discounted an additional $0.05/bu for each 0.25% reduction in grain protein from 13% to 11%, below which an additional discount was not assigned. Returns factored in discounts for grain with a test weight <58 lb/bu [-$0.01/bu for 0.5 lb/bu between 58 and 57 lb/bu; -$0.02/bu for 0.5 lb/bu between 57 and 55 lb/bu; -$0.03/bu for 0.5 lb/bu between 55 and 50 lb/bu; and -$0.04/bu for 0.5 lb/bu between 50 and 46 lb/bu].


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