BARLEY IN THE GREAT PLAINS AREA. 
13 
Table V. — Yields and cost of production of barley by different methods at the Judith 
Basin Field Station, 1909 to 1914, inclusive. 
Number 
of plats 
averaged. 
Yield per acre (bushels). 
Treatment and previous crop. 
1909 
1910 
1911 
1912 
1913 
1914 
Aver- 
age. 
1 
43.3 
12.5 
24.1 
0) 
21.9 
18.0 
24.0 
Spring plowed: 
1 
1 
45.2 
39.1 
10.0 
11.6 
( 2 ) 
23.9 
0) 
(') 
21.9 
31.7 
11.6 
21.2 
22.5 
Oats 
25.9 
Total or average 
2 
42.2 
10.8 
23.9 
C 1 ) 
26.8 
16.4 
24.0 
1 
1 
1 
1 
47.9 
48.3 
42.7 
49.4 
12.5 
15.0 
16.6 
15.8 
30.4 
32.6 
29.7 
27.5 
0) 
C 1 ) 
0) 
0) 
32.5 
32.9 
34.6 
32.7 
21.8 
23.5 
21.6 
25.8 
29.0 
30.5 
29.0 
30.2 
45.1 
13.4 
28.0 
C 1 ) 
29.7 
20.5 
27.3 
Summary of Yields and Digest of Cost. 
1 
Tillage treatment. 
Previous crop. 
Yields, values, etc. (average 
per acre). 
Fall 
plowed 
(lplat). 
Spring 
plowed 
(2 plats). 
Disked 
(1 plat). 
Listed 
(lplat). 
Sub- 
soiled 
(lplat). 
Summer 
tilled 
(1 plat). 
Small 
grain 
(5 plats). 
Corn 
(1 plat). 
Yields of grain: 
1909 bushels . . 
1910 do.... 
1911 do.... 
1912 do.... 
1913 do.... 
1914 do.... 
43.3 
12.5 
24.1 
C 1 ) 
21.9 
18.0 
42.2 
10.8 
23.9 
0) 
26.8 
16.4 
42.7 
16.6 
29.7 
Q) 
34.6 
21.6 
47.9 
12.5 
30.4 
C 1 ) 
32.5 
21.8 
48.3 
15.0 
32.6 
C 1 ) 
32.9 
23.5 
49.4 
15.8 
27.5 
0) 
32.7 
25.8 
44.8 
12.3 
27.8 
0) 
28.2 
19.2 
42.7 
16.6 
29.7 
0) 
34.6 
21.6 
Average 
24.0 
24.0 
29.0 
29.0 
30.5 
30.2 
26.5 
29.0 
Crop value, costof production, etc.: 
$9.84 
6.46 
S9.84 
5.99 
$11. 89 
4.65 
$11. 89 
5.45 
$12. 51 
7.07 
$12. 38 
11.40 
Cost 
Profit 
3.38 
3.85 
7.24 
6.44 
5.44 
.98 
1 Destroyed by hail. 2 The yield from this plat is omitted, owing to an error in time of seeding. 
The cost of production and the value of the crop as here computed 
show a profit by all methods under trial. The profits range from 98 
cents by summer tillage to $7.24 on disked corn ground. 
HUNTLEY FIELD STATION. 
The records of only two years of yields under four different methods 
of treatment are available for study from Huntley, Mont. In 1913 
there was little difference between spring-plowed oat stubble and 
disked corn ground as a preparation for barley. In 1914 disked corn 
ground was markedly the better of the two. The heaviest yields 
each year were obtained from land on which peas were plowed under 
for green manure. In 1914 there was a marked increase in the yield 
on ground on which rye was plowed under. In preparation for 1913, 
