CEREAL EXPEEIMENTS AT THE AKRON FIELD STATIOK". 



23 



Table XV. — Annual and average yields of durum wheat in a rate-of-seeding test at the 

 Akron Field Station, Akron, Colo., 1911 to 1915, inclusive. 





Yield per acre (bushels) . 



Rate of seeding (per acre). 



1911 



1912 



1913 



1914 



1915 



Average. 





1911 to 

 1915. 



1912 to 

 1915. 



2 pecks . . 



9.9 



9.8 

 10.8 

 12.6 



41.0 

 37.3 

 37.0 

 30.3 

 28.3 

 27.0 



7.3 

 8.6 

 11.0 

 11.6 

 11.2 

 11.6 



18.0 

 19.6 

 20.0 

 22.0 

 21.3 

 21.0 



30.0 

 29.5 

 • 29.5 

 29.5 

 30.2 



21.2 

 21.0 

 21.7 

 21.2 



24.1 





23.7 





24.4 





23.3 





22.7 



















COMPARISON OF WINTER AND SPRING WHEAT. 



It is of importance to know whether winter or spring wheat will 

 give the best returns. Table XVI shows the annual and average 

 yields of nine varieties of winter and spring wheat grown on the 



s /o /s 



so 



2S 



W/A/TEf?' 



msBosa 



I 

 \2/.6 8U. 



\2/.SSU 



\22. 4 BU 



I /a. 6 BU 



\/a.o BU. 

 Wt/k^o.s bo. 



Fig. 6. — Diagram showing the average yields of the leading varieties of wheat at the Akron Field Station, 



1908 to 1915, inclusive. 



Akron Field Station during the eight years, 1908 to 1915, inclusive. 

 Figure 6 shows the average yields in graphic form. 



Table XVI. — Annual and average yields of nine varieties of wheat grown at ike Akron 

 Field Station, Akron, Colo., during the 8-year period, 1908 to 1915, inclusive. 





C. I. 



No. 



Yield per acre (bushels). 



Variety. 



1908 



1909 



1910 



1911 



1912 



1913 



1914 



1915 



8-year 

 average. 



Winter varieties: 



(Crimean 



Kharkof 



Ohirka Winter.. 



Sj^ring varielitti: 



Amautka 



I'elLssler 



1430 



l.lKj 



M:iX 



/ 1191 



1.5H4 

 1493 



1.517 

 2:J97 



19,1 

 19.3 



1.5. (; 



1 1H.7 



24.7 

 26.9 

 21.8 

 20.6 

 19.3 





 

 



11.8 



23.0 

 20.8 

 19.8 

 2:5.8 

 2(5.3 



.3H. 3 

 2!J.8 

 38. .5 



19. 



15. 8 

 16. 6 

 20. 5 

 18.8 

 15. 2 



17.9 

 14.2 



1.5. 8 



J. 5. 7 



10, fi 

 10,6 

 19, (i 

 8,5 

 11.9 



33. 1 

 37. 5 

 38.3 



37.3 



35. 

 27.5 

 20. 5 

 23. 3 

 20.7 



12.6 

 16. 6 

 17.3 



10.0 



10.5 

 10. 5 

 14.1 

 11.6 

 12.0 



28.3 

 25.9 

 24.0 



25. 



26. 6 

 27.6 

 21.7 

 19. 3 

 19.3 



26. 6 

 29.2 

 22.8 



27.0 



31.6 

 27.6 

 24.4 

 22.6 

 19. 5 



22.0 

 21.6 

 21.5 



24.6 

 22.4 



Amautka 



<'JaIgalo3 



Ohirka Spring.. 

 P^rlvan 



21.1 



20.3 

 18,6 

 18.0 







