20 



BULLETIN 400, U. S. DEPARTMENT OF AGEICULTTJEE. 



Table XI. — Annvxil and average yields of the Marquis and 11 other varieties of wheat 

 grown on the Cheyenne Experiment Farm, Archer, Wyo., 1913 to 191.5, incliisive. 



[Experiments conducted in cooperation with the Wyoming State Board of Farm Commissioners.] 



Group and variety. 



Fife: 



Marquis 



Ghirka Spring 



Glyndon 



Crimean (winter): 



Turkey 



Kharkof 



Crimean 



Kubanka (durum): 



Beloturka 



Kubanka. 



Preston: 



■Red Russian •. 



Preston 



Bluestem: 



Haynes (Minn. No. 169) 



Haynes (Minn. No. 51). 



C.I. 

 No. 



3641 

 1517 

 2873 



1571 

 1442 

 1559 



1520 

 1440 



4141 

 3698 



2874 

 1505 



Yield per acre (bushels). 



1913 1914 1915 



21.0 

 13.2 

 12.5 



32.0 

 37.1 

 38.6 



28.9 

 25.6 



19.0 

 15.3 



11.7 

 10.7 



Aver- 



12.8 

 10.8 

 9.3 



17.3 



17.2 

 17.2 



16.2 

 15.2 



12.5 

 10.6 



8.3 

 6.2 



RESULTS AT NEWELL, S. DAK. 



The experiments at Newell have included the Marquis variety dur- 

 ing the 3-year period, 1913 to 1915, inclusive. The annual and aver- 

 age results are shown in Table XII. The yield of the best variety 

 in each group is shown graphically in figure 6, 



Table XII. — Annual and average yields of the Marquis and eight other varieties of wheat 

 grown on the Belle Fourche Experiment Farm, Newell, S. Dak., 1913 to 1915, 

 inclusive. 



[Data obtained in cooperation with the South Dakota Agricultural Experiment Station.] 





C.I. 

 No. 



Yield per acre (bushels). 



Group and variety. 



1913 



1914 



1915 



Aver- 

 age. 



Fife: 



3276 

 3025 

 2873 



1442 



1350 

 1516 

 1493 



3081 



3020 



16.8 

 16.6 

 15.8 



38.6 



16.7 

 19.1 

 17.1 



19.5 



14.1 



8.0 

 5.1 

 5.1 



28.7 



9.7 

 9.6 

 9.5 



7.2 



5.1 



50.9 

 43.4 

 39.8 



63.8 



58.2 

 54.5 

 54.9 



46.9 



42.0 



25.2 



Power 



21.7 





20.2 



Crimean (winter): 

 TCharknf 



43.7 



Kubanka (durum): 



Pererodka 



28.2 



Kubanka 



27.7 



Arnautka 



27.2 



Preston: 



Preston 



24.5 



Bluestem: 



■ Haynes 



20.4 







Here, as at the stations previously discussed, the hard winter 

 wheats excel all spring wheats. The Kharkof outyields the Pere- 

 rodka durum, the highest yielding spring variety, by 55 per cent. 

 Again, the durum wheats outyield all groups of spring common 

 wheats by good margins. The Marquis excels all other varieties of 



