CEREALS ON THE BELLE FOURCHE EXPERIMENT FARM, 



65 



ter spelt, proso, and buckwheat produced rather low yields and are 

 not well adapted to growing at Newell under irrigation, and none of 

 these four crops except proso are at all adapted to the dry -land con- 

 ditions there. 



Table XLVIII. — Yields of the leading varieties of different grain crops grown 

 on irrigated land on the Belle Fourche Experiment Farm, 1915 to 1919, 

 inclusive. 



Group and variety. 



C.I. 



No. 



Yields per acre (pounds). 



1916 



1918 



Average. 



1915 

 to 

 1918 



1915 

 to 

 1919 



Kharkof winter wheat 



Swedish (Minn. No. 2) winter rye... 



Buffum Black Winter emmer 



Vernal spring emmer 



Kubanka durum spring wheat 



Brown Winter spelt 



Chevalier II barley 



White Russian oats 



Red Russian proso 



Japanese buckwheat 



1583 

 137 

 3331 

 1524 

 1440 



a 3, 976 

 a 2,496 



1,855 

 1,320 



530 

 551 

 61 



1,881 

 1,690 



678 



655 



425 



1,141 



1,248 



100 



1,150 



1,347 



1,770 



1,192 







1,845 

 1,968 

 

 1,848 

 1,798 



1,394 

 980 



1,955 

 1,331 



2,816 

 2,016 



1,900 

 1,782 



1,914 

 1,638 



1,911 

 1,667 



1,042 



609 



3,567 

 2,410 

 1,518 



1,536 



2,016 



924 



2,112 

 1,811 



2,016 

 1,852 



a Not comparable with spring grains; grown on better soU. 



EXPERIMENTS WITH FLAX. 



Flax has been a fairly successful crop on irrigated land. It also is 

 an excellent nurse crop for alfalfa. The yields obtained at Newell 



,5" /O /^ 



zo 





/?£:^£:pi/£- 





/>/?//I^OST'' 



Fig. 22. — Diagram showing the average yields, in bushels per acre, of the leading varieties 

 of flax on irrigated land at the Belle Fourche Experiment Farm for the 6-year period 

 from. 1914 to 1919, inclusive. 



were fairly good except in 1913 when the flax was grown on poor 

 land. Some infection of wilt and canker has been observed in the 

 experiments, but the injury usually was very slight. A spot about 8 



