SPRING WHEAT IN THE GREAT PLAINS AREA. 
29 
is a soil on which maximum results from methods of tillage calculated 
to store water would be expected. 
Table XIV. — Yields and cost of production of spring wheat by different methods at the 
Akron Field Station, 1909 to 1914, inclusive. 
Number 
of plats 
averaged. 
Yield per acre (bushels). 
Treatment and previous crop. 
1909 
1910 
1911 
1912 
1913 
1914 
Average. 
Fall plowing: 
1 
3 
<*2 
19.2 
10.3 
10.3 
11.2 
5.8 
6.2 
3.4 
3.7 
2.1 
30.3 
18.8 
17.5 
1.4 
.6 
.7 
14.3 
13.6 
11.0 
13.3 
Oats 
8.8 
Wheat 
8.0 
5 
12.1 
6.9 
3.1 
20.6 
.8 
12.8 
9.4 
Spring plowing: 
1 
1 
&2 
20.8 
14.3 
12.2 
15.3 
6.3 
8.9 
1.3 
.2 
2.9 
26.5 
20.3 
21.3 
6.8 
1.0 
4.8 
18.5 
21.2 
22.2 
14.9 
Oats 
10.6 
Wheat 
12.1 
4 
14.9 
10.0 
1.5 
22.7 
4.2 
20.6 
12.3 
Listed: Wheat 
1 
1 
4 
9.6 
11.2 
15.5 
7.1 
5.5 
11.4 
1.2 
1.5 
1.7 
17.2 
16.0 
19.0 
2.1 
.5 
2.8 
14.2 
9.8 
16.7 
8.6 
7.4 
11.2 
Green manured: 
Rye 
1 
1 
1 
14.7 
12.0 
10.1 
11.7 
12.4 
3.8 
3.7 
1.7 
1.7 
19.2 
20.3 
20.5 
1.5 
1.5 
3.9 
15.3 
13.3 
11.2 
11.0 
10.2 
8.5 
3 
12.3 
9.3 
2.4 
20.0 
2.3 
13.3 
9.9 
2 
18.4 
12.2 
4.8 
20.5 
9.0 
22.5 
14.6 
13.8 
9.2 
2.5 
20.0 
2.9 
16.5 
10.8 
Summary of Yields and Digest of Cost. 
Tillage treatment. 
Previous crop. 
Yields, values, etc. (average 
per acre). 
FaU 
plowed 
(5 
plats). 
Spring 
plowed 
(4 
plats). 
Disked 
(4 
plats). 
Listed 
(1 
plat). 
Sub- 
soiled 
(1 
plat). 
Green 
ma- 
nured 
(3 
plats). 
Sum- 
mer 
tilled 
(2 
plats). 
Corn 
(6 
plats). 
Small 
grain 
(9 
plats). 
Yields of grain: 
1909 bushels.. 
1910 do.... 
1911 ...do.... 
1912 do.... 
1913 do 
12.1 
6.9 
3.1 
20.6 
.8 
12.8 
14.9 
10.0 
1.5 
22.7 
4.2 
20.6 
15.5 
11.4 
1.7 
19.0 
2.8 
16.7 
9.6 
7.1 
1.2 
17.2 
2.1 
14.2 
11.2 
5.5 
1.5 
16.0. 
.5 
9.8 
12.3 
9.3 
2.4 
20.0 
2.3 
13.3 
18.4 
12.2 
4.8 
20.5 
9.0 
22.5 
17.0 
12.0 
1.9 
22.1 
3.2 
16.6 
11.2 
6.7 
2.3 
18.5 
1.3 
1914 do.... 
14.5 
9.4 
12.3 
11.2 
8.6 
7.4 
9.9 
14.6 
12.1 
9.1 
Crop value, cost of produc- 
tion, etc.: 
$6.58 
6.56 
$8.61 
6.09 
$7.84 
4.75 
$6.02 
5.55 
$5.18 
7.17 
$6.93 
14.61 
$10. 22 
11.50 
Cost 
.02 
2.52 
3.09 
.47 
-1.99 
- 7.68 
- 1.28 
a Only 1 plat up to 1911. 
b Only 1 plat after 1910. 
The results of six years are available for study at this station. 
Three years have been years of good yields, one of light yield, and the 
other two of poor yields. 
