CEREAL EXPERIMENTS ON THE CHEYENNE EXPERIMENT FaRM. 157 
The leading varieties of winter wheat, with the exception of the 
Ghirka Winter, belong to the Crimean group. The Ghirka Winter is 
a beardless variety with white, glabrous chaff and hard, red kernels. 
The Crimean group is characterized by bearded heads with white, 
glabrous chaff and hard, red kernels. Turkey is the leading variety 
on the farms in this section of Wyoming. A plat of Turkey winter 
wheat on the Cheyenne Experiment Farm is shown in figure 7. 
RATE-OF-SEEDING EXPERIMENT. 
A rate-of-seeding experiment has been conducted at the Cheyenne 
Experiment Farm since 1913 with two varieties of winter wheat. 
The rates of seeding have ranged from 2 to 7 pecks per acre. The 
Fig. 7.—A plat of winter wheat on disked corn land on the Cheyenne Experiment Farm, 1915. (Pho- 
tograph lent by the Office of Dry-Land Agriculture Investigations.) 
annual and average yields in the rate-of-seeding test of the Turkey and 
Ghirka Winter wheats are shown in Table VIII. 
TasLe VIII.—Annual and average yields of the Turkey and Ghirka Winter wheats in a 
rate-of-seeding test on the Cheyenne Experiment Farm in 1913, 1914, and 1915. 
Yield per acre. 
Ver anal of 1913 1914 1915 3-year average. 
Grain. Straw. | Grain. Straw. Grain. Straw. Grain. Straw. 
Turkey: Bushels. | Pounds. | Bushels. | Pownds. | Bushels. | Pounds. | Bushels. | Pounds. 
RD CCK See eree etme Ma sa aee ee ee 0 0 32.5 AO AO ite See ia eee ee 
BUDOCK Suen ny 9.1 715 0 0 35.5 4,990 14.9 1,902 
ANPOCKS Een er 2c! 9.0 585 0 0 32.0 4,540 137 1,708 
5 pecks........... 10.1 830 0 0 34.8 5, 030 15.0 1, 953 
Grpeckse. fe 222). 10.4 750 0 0 35. 1 5, 090 15.2 1, 947 
UBDOCKSSS ate (ii 2) 9.9 680 0 Oe ei nye iene mea [Baral a kl les leh a 
Ghirka Winter: 
PY FOXES, Lis Ns So se eo ge 0 0 35.8 ALAN (O10 i ep Reece rari lia Hii Pal eet 
ORPeCKSuE eee waite 9.3 600 0 0 35.5 5, 080 14.9 1, 893 
ADOCKS. Soy. 7.4 450 0 0 32.8 5, 130 13.8 1, 860 
DNWCCK Seer an = 8.6 595 0 0 31.3 5, 040 13.3 1, 878 
Gipeckse eae seeen 9.3 650 0 0 30.5 4,920 13.3 1, 890 
Ue DCCKS yee see ae 7.5 750 0 0 
