EXPERIMENTS WITH KHERSON AND SIXTY-DAY OATS. 
45 
RESULTS AT EUREKA. 
The only two varieties which have been grown at the Eureka sub- 
Station, as at Cottonwood, are the Sixty-Day and the Swedish Select. 
These two varieties have been grown at that point continuously since 
1909. Their annual and average yields in the 9-year period from 
1909 to 1917, inclusive, are shown in Table XXXIII. 
The results shown in Table XXXIII indicate that the Sixty-Day will 
outyield the Swedish Select variety under conditions similar to 
those at Eureka. The difference between the 9-year average yields 
of the two varieties is 4.8 bushels. 
RESULTS AT HIGHMORE. 
The Kherson and Sixty-Day oats have been included in the coopera- 
tive varietal experiments at Highmore since 1906. The annual and 
average yields of these and five other varieties of oats grown at High- 
more in five or more years in the 12-year period from 1906 to 1917, 
inclusive, are presented in Table XXXIV. 
Table XXXIY. — Annual and average yields of the Kherson, the Sixty-Day, and five 
other oat varieties grown at the Highmore (S. Dale.) substation during five or more years 
in the 12-year -period from 1906 to 1917, inclusive. 
[Experiments conducted in cooperation with the South Dakota Agricultural Experiment Station.] 
Group and variety. 
I. Dak. 
No. 
C.I. 
No. 
Yield per acre (bushels). 
1906 1907 
1008 
1 <>()!» 
1910 
1916 
i9i: 
Average. 
1906 
to 
1917 
1906 
to 
1913 
Early yellow: 
Sixty-Day 
Kherson 
Early black: 
North Finnish Black. 
Early red: 
Red Algerian 
Midseason white: 
Swedish Select 
Belyak 
Late white (side): 
White Tartar 
165 43. 3 31. 
539,69. 7 28. 
174 ! 58. 8 
25.0 
21.9 
286 49. 1 
134 65. 0130. 8 
336 55. 6 26. 6 
445 44. 7 26. 3 
47. 5 28. 8 
39. 0,21. 9 
26. 3 30. 6 
32. 8 23. 4 
9.4 
10. 
4 
35.0 
30. 3 36. 6 25. 
21. 3 28. 8,36. 9 
25.0 
4.7.... 
50.8 
40.6 
128.1 
25.7 
37.0 
21.4 
22.2 
20.1 
:; l. I 
93. : 
40.6 
12.1 
23.6 
21.3 
i While very small yields were obtained in 1912, they were not sufficient to pay for harvesting and are, there- 
fore, not considered. 
Reference to Table XXXIV shows that the Sixty-Day has out- 
yielded all other varieties at Highmore. The Kherson slightly ex- 
ceeded it in average yield during the years it was grown, due to a wide 
difference in the yields of the 1906 crop.' Except in this year the 
Sixty-Day usually has yielded more, and the Kherson has been dis- 
carded. The 12-year average of the Sixty-Day is 6.2 bushels higher 
than that of the Swedish Select, the highest yielding midseason white 
variety. 
