CEREALS ON THE BELLE FOURCHE EXPERIMENT FARM. 



49 



stem rust. The wheat did not fully emerge in the fall of 1917. 

 The 1917 crop was sown on beet land which had previously produced 

 alfalfa. The wheat was partly destroyed by an accidental flooding 

 late in the fall. Although the stands were thin the yields were 

 fairly high in 1917. 



The annual and average yields are shown in Table XXXV. 



Fig. 15. — Constructing an irrigation ditch on the Belle Fourche Experiment Farm. The 

 corn ground is irrigated before sowing it to winter wlieat. 



Table XXXV. — Yields of varieties of tcinter icheat grotcn on irrigated land 

 on the Belle Fourche Experiment Farm, 1915 to 1918, inclusive. 



Group and variety. 



C. I. No. 





Yields 



per acre (bushels). 





1915 



1916 



1917 



1918 



Average. 



Crimean: 



Beloglina 



1667 

 1583 

 4207 

 3055 

 3055-159 



1438 



5297 



5298 



1437-394 



52.1 

 66.3 

 61.3 



8.7 

 11.3 



30.7 

 29.5 



24.0 

 23.4 



28.9 



Ivharkof 



32.6 



Do 





Turkey 



8.7 

 11.5 



8.8 

 5.2 



26.7 

 31.0 



19.9 

 28.5 



24.3 

 26.5 





Turkey selection 



66.6 



33.9 



Alton: 



Alton (Ghirka Winter) 





Alton selection 



59.1 

 57.5 

 51.9 



26.5 



29.8 



Do 





Do 







1 











a One plat only. 



In Table XXXV it will be observed that the Turkey selection^ 

 No. 3055-159, produced the highest yield each year. This strain 



