SPRING WHEAT ON THE NORTHERN GREAT PLAINS. 
Table XI. — Yields of 47 varieties and strains of spring wheat grown at the Cheyenne 
Field Station, Archer, Wyo., during the 7-year period from 1913 to 1919, inclusive, 
compared with the Marquis variety for the years grown. 
[Data obtained in cooperation with the Wyoming State Board of Farm Commissioners.] 
fr 
C.I. 
No. 
Yield per acre (bushels). 
Class, group, and 
1913 
1914 
1915 
(2 plats). 
1916 
(4 plats). 
1917 
(4 plats). 
1918 
(4 plats). 
1919 
(4 
plats). 
Average. 
variety. 
1913 
to 
1919. 
Dif- 
ference 
from 
Marquis. 
COMMON. 
Fife: 
3641 
4062 
1517 
2873 
3697 
3022 
4800 
9.0 
8.5 
9.2 
5.8 
4.7 
8.3 
8.4±0.1 
10.4 
10.0±0.5 
9.6 
7.3 
8.1 
20.9±0.3 
19.7±0.5 
13.2±1.0 
12.5±1.0 
12.3±1. 1 
11.7±0.5 
5.4±0.4 
16. 6 ±0.7 
36. 9 ±1.6 
1.3±0.3 
14.1 
+0. 1±0 8 
Ghirka Spring 
Glyndon 
5.6±0.4 
5.7±0.4 
5.7±0.5 
5.6±0.4 
16.2±1.4 
15. 1±0.6 
16.3±1. 1 
16.3±1.1 
28.3±0.3 
30.4±1.3 
31.9±1.8 
32.0±1.4 
36. 7 ±4. 2 
26.3 
1.0±0.2 
.6±0.2 
1.1±0.5 
.6±0.1 
2.8±0.6 
1.3±0.2 
11.9 
11.4 
11.3 
11.8 
-2.2±1.2 
-2.7±1.0 
Power 
-2.8±0.9 
— 2. 3±0.9 
4- .7-|-0.7 
Rubv. . 
6047 
—5. 3 ±4. 5 
Bluestem: 
3695 
2874 
3021 
3082 
4141 
2397 
3081 
3698 
4153 
4324 
4154 
4377 
4935 
6233 
2398 
3703 
4323 
5284 
1493 
4064 
1520 
1354 
1440 
1516 
4063 
1447 
1593 
3320 
1350 
1444 
5295 
5296 
3322 
1584 
2228 
1471 
3024 
1445 
6227 
1.3 
4.4 
2.6 
3.4 
8.3 
9.4 
4.7 
6.7 
3.1 
9.0±0.1 
5.3 
6.5 
10.2 
9.5 
8.1 
9.8 
9.0±0.5 
11.7±0.3 
10.7±1.1 
11.2±0.4 
19.0±0.8 
22.0±0.8 
14.8±1.4 
15.3±0.6 
— 8. 3±1 4 
Haynes 
5. 0±0. 4 
15.5±0.8 
.8±0.2 
-5.9±2.4 
Do 
-6.6±1.5 
— 5. 8±1.6 
Preston: 
Converse 
5.9±0.2 
7.5±0.2 
2.1 ±0.4 
17.5±0.6 
17.9±0.7 
14.0±0.3 
32.8±1.0 
43. 7 ±2. 4 
31.7±1.4 
2.4±0.2 
5.2±0.5 
2.8±0.6 
13.7 
16.5 
11.2 
- .4±0.6 
+2.4±0 6 
— 2.9±0. 7 
Do 
-2.2±1.4 
Do 
3.2±0.1 
7.7±0.6 
16.8±1.0 
18.2±0.8 
-l.Oil.O 
Pioneer 
28.9±0.9 
1.8±0.4 
- .9±1.7 
Ladoga: 
Ladoga 
8.7 
7.2 
8.5 
9.3 
19.5±0.1 
19.3±1.1 
— .6±0.4 
Norka 
Huron 
7.2±0.4 
6.6±1.0 
20. 8±0.5 
16.0±0.6 
37.8±1.2 
36.3±2.5 
36.3±1.5 
40.2±1.3 
4.2±0.5 
2.2±0.1 
1.7±0.1 
3.9±0.3 
15.1 
15.4 
+1.0±0.6 
+ .2±0.4 
- .1±0.4 
Miscellaneous: 
7.9 
7.7 
1O.3±0.4 
9.3 
21.2±1.8 
9.5±0.4 
6.1±0.4 
18.1±1.3 
+1.3±0.4 
Regenerated Defi- 
ance 
-4.0±3.0 
Prelude 
5. 0±0. 2 
12.4±0.4 
16.2±1.0 
18. 5 ±0.3 
18.9±0.5 
17.0±0.3 
22. 2±2. 1 
37.3±1.7 
34. 3 ±1.1 
32. 3 ±0.9 
38.5±0.9 
1.6±0.1 
7.3±1.4 
5.3±0.8 
4.3±0.2 
4.0±0.5 
'i5."4 
14.7 
16.2 
-4.8±2.4 
DUKXTM. 
Kubanka: 
+2.0±1.6 
Arnautka 
Do 
7.2 
6.4 
7.7 
7.7 
7.5 
7.1 
' *7."5 
7.9 
12.3 
10.7+0.6 
11.9 
12.8 
12.5 
13.0 
12.3 
11.5±0.8 
23.8±0.7 
23.6±2. 8 
6.1±0.3 
fi. 9-1-0. 5 
+1.3±0.7 
+ .6±0.9 
Beloturka 
2S.9±0.3 5.1 + 0.5 
+2.1±0.8 
22.1±1.6 
25. 6 ±0.8 
27.6±1.1 
24."i±i."6 
21.5±1.3 
+1.4±1.2 
Do 
5.8±0.2 
6.5±0.3 
6.4±0.5 
20.9±1.2 
20.0±1.6 
20.8±0.6 
32.9±1.9 
35.1±0.4 
36. 5 ±0.5 
5.3±0.5 
5.6±0.5 
4.8±0.4 
15.8 
16.4 
+1.7±1.0 
Do 
+2.3±1.0 
Kubanka No. 8. .. 
+2.0±0.9 
+1.8±l.-4 
Marouani 
Monad 
7.6±0.6 
18.2±i.2 
17.4±1.0 
18.9±1.2 
33.6±0.6 
34.1±1.3 
36.5±1.1 
5.2±0. 1 
6.3±0.8 
15.1 
+ 1.0±0.7 
+ 1.0±1.6 
Pp.rp.rndka 
8.3 
7.8 
12.8 
11.5 
26.0±0.8 
25.9±1.4 
5.4±0.5 
+ 1.8±0.7 
Yellow Ghamovka 
+2.3±1.4 
Buford 
5.7±0.3 
4.0±0.8 
4.5±0.6 
6.3±1.0 
Mindum 
Red Durum: 
D-5 
16.1±0.7 
18.0±0.6 
33.8±2.8 
34.3±1.9 
15.3 
- .2±1.3 
Peliss: 
Peliss 
8.7 
6.7 
7.3 
7.5 
8.6 
11.6±0.3 
10.3 
11.8 
10.5±0.4 
22.6±2.0 
18.8±2.1 
13. 1 ±4.1 
5.9±0.5 
+1.2±0.5 
- .9±1.1 
Miscellaneous: 
Bledur . . 
-2.1±2.3 
29 84-4. 
-f .8±0.9 
10.8 24.4±2.6 
+1.8±0.9 
Golden Ball 
. 
5.5±1.0 
i 
1 
The rainfall records are mostly from Fort D. A. Russell at Cheyenne, 
9 miles distant, where conditions probably are slightly more favorable 
