CEEEAL EXPERIMENTS ON THE CHEYENNE EXPERIMENT FARM. 15 



The leading varieties of winter wlieat, 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 leadmg variety 

 on the farms m this section of Wyoming. A plat of Turkey winter 

 wheat on the Cheyenne Experunent Farm is shown in figure 7. 



RATE-OF-SEEDING EXPERIMENT. 



A rate-of-seeding experiment has been conducted at the Cheyenne 

 Experunent Farm smce 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 com 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. 



Table VIII. — Annual and average yields of the Turkey and GhirM Winter wheats in. a 

 rate-of-seeding test on the Cheyenne Experiment Farm in 191.3, 1914, and 1915. 





Yield per acre. 



Variety and rale of 

 .seeding. 



1913 



1914 



1915 



:i-year average. 





Grain. 



Straw. 



Grain. 



straw. 



Grain. 



Straw. 



Grain. 



S(;raw. 



Turkey: 



BusheU. 



Powndn. 



BuhUcU. 

 

 

 

 

 

 





 

 

 

 



() 



I'liund.i. 

 

 

 

 

 

 





 

 

 

 

 



Bu.ihds. 

 32.5 

 35.5 

 32.0 

 34.8 

 35. 1 



J'oundx. 

 4,070 

 4,<M) 

 4,.'') to 

 5,030 

 5, 0!»0 



Bu.sluls. 



Pounds. 





O.l 

 9.0 

 10.1 

 10.4 

 9.9 



715 

 585 

 830 

 750 

 (WO 



14.9 

 13.7 

 15.0 

 1.^.. 2 



1,902 



4 pecks 



1,708 





1,953 



<> pw.k.s 



J, 947 



Ohirka winter: 



35. 8 

 ■ 35. 5 

 32.8 

 31.3 

 :«), 5 



4,700 

 5, 080 

 5, 130 

 5,040 

 4,920 







3 \>(!ckn 



9.3 

 7.4 

 8.6 

 9.3 

 7.6 



fKX) 

 450 

 695 

 650 

 750 



14.9 

 13.8 

 13.3 

 13.3 



1,893 



4 [>w;k.s 



6 pw.ks 



1,800 

 1,878 

 1,890 









1 







