94 BULLETIN 297, U. S. DEPARTMENT OF AGRICULTURE. 
produced. The highest yield was obtained from the Beloglina, C. I. 
No. 2239. 
Of the fourteen varieties and strains of winter wheat grown on the 
Belle Fourche Experiment Farm only five have been sown in each of 
the six years. The 
YIELD PER ACRE. ' average date of 
Eeenne heading and of ma- 
turity, weight per 
bushel, and yield of 
grain and of straw 
Fic. 6.—Diagram showing the average yields per acre, in bushels, of these five varie- 
of the leading varieties of winter wheat at the Belle Fourche Experi- ties are giv en in 
ment Farm, for six years, 1908 to 1913, inclusive. Tab] 6 Xi. he 
yields of grain are shown graphically im figure 6. Table XIII shows 
that there is practically no variation in the date of heading and of 
maturity and in the weight per bushel of these stocks and that the 
variation in yield of grain and straw is very slight. 
TaBLE XIII.—Average dates of heading and of maturity, weight per bushel, and yields of 
five varieties of winter wheat grown continuously on the Belle Fourche Experiment 
Farm, 1908 to 1913, inclusive. 
Date of— -Yield per acre. 
Weight 
C.I. No. Variety. per 
A - 2 a 
Heading.! ned bushel.” | Grain.2 | Straw.4 
Pounds. | Bushels. | Pounds. 
WAS ier 0 fore ere irs we ce te June 17 | July 11 60.9 21.2 1, 860 
1583 ID RR Ae Sees care eens a ears ose ten See Casa callecsClOacace 60.3 20.7 1,994 
BUGS ZAlR [SA Bel hain tes Aart eens ease ee cher a eaten] WU don ea Edom 60.7 20.6 1, 842 
1558 TS) eee cea ieee poe ates erage en me eny Ce eau | nee COgccoalleceGlOsacss 60.8 20. 2 1,798 
LAS Til AC rein OS My are gO cree ces Set tees eer ere Jume Gs sad Osece 60. 4 19.7 1,924 
1 Average for 1910 and 1913 only. 3 Average for the entire period of six years, 1908-1913. 
2 Average for 1908-1910 and 1913 only. 4 Average for 1908, 1910, 1911, 1912, and 1913. 
LEADING VARIETIES OF WINTER WHEAT. 
The leading varieties of winter wheat at Newell are the Kharkof, 
Turkey, and Crimean. These varieties all have bearded heads, with 
white, hairless chaff, and hard red kernels. They all were imported 
from southern Russia, the Kharkof and Crimean by the United 
States Department of Agriculture and the Turkey by Russian immi- 
erants and by commercial agencies. They are not distinguishable 
in appearance and differ only slightly in yield and in hardiness. It is 
probable that the Kharkof is slightly hardier than the Turkey or the 
Crimean, and for this reason it is to be preferred for sowing in western 
South Dakota. 
DATE-OF-SEEDING TEST OF WINTER WHEAT. 
A date-of-seeding test has been conducted each year at Newell 
with Turkey winter wheat, C. I. No. 3055. In this experiment, plats 
have been sown about the first and fifteenth of each month, from 
