OATS IN THE GREAT PLAINS AREA. 
21 
plowing and the other by fall plowing. Both of these appear to have 
a higher yielding power than is consistent with the results at other 
stations in the State. That this is due in some measure to soil differ- 
ences has been observed in the field. 
Table X. — Yields and cost of production of oats by different methods at the Hettinger 
Field Station, 1912, 1913, and 1914. 
Treatment and previous crop. 
Number 
of plats 
averaged. 
Yield per acre (bushels). 
1912 
1913 
1914 
Average. 
Fall plowed: 
Wheat 
3 
1 
1 
1 
19.0 
36.3 
34.4 
17.2 
17.9 
28.1 
20.0 
21.5 
22.2 
29.4 
27.5 
17.5 
19.7 
Oats 
31.3 
Barley 
27.3 
Flax 
18.7 
Total or average 
6 
24.2 
20.6 
23.5 
22.8 
Spring plowed: 
Wheat 
4 
1 
2 
14.6 
32.8 
- 25.3 
34.5 
37.6 
40.2 
41.5 
44.4 
31.8 
30.2 
Oats 
38.3 
Corn 
32.4 
7 
20.3 
36.5 
39.1 
32.0 
Sod breaking: 
Alfalfa 
1 
1 
1 
17.2 
35.3 
10.0 
24.7 
13.5 
13.8 
17.2 
25.0 
26.9 
19.7 
24.6 
Clover 
16.9 
3 
20.8 
17.3 
23.0 
20.4 
Disked: 
Corn 
6 
1 
26.0 
23.7 
41.8 
38.2 
38.8 
36.0 
35.5 
Potatoes 
32.6 
Total or average 
7 
25.6 
41.3 
38.4 
35.1 
Green manured: 
Rye 
1 
1 
1 
22.5 
17.5 
22.5 
19.7 
26.0 
25.6 
17.8 
23.8 
24.4 
20.0 
Peas 
22.4 
24.2 
3 
20.8 
23.8 
22.0 
22.2 
5 
27.3 
38.3 
30.8 
32.1 
23.5 
31.7 
31.4 
28.9 
Summary of Yields and Digest of Cost. 
Tillage treatment. 
Previous crop. 
Yields, values, etc. 
(average per acre). 
Fall 
plowed 
(6 
plats). 
Spring 
plowed 
(7 
plats). 
Disked 
(7 
plats). 
Green 
ma- 
nured 
(3 
plats). 
Sum- 
mer 
tilled 
(5 
plats) . 
Sod (3 
plats). 
Corn (8 
plats). 
Small 
grain 
(10 
plats). 
Flax (1 
plat). 
Pota- 
toes (1 
plat). 
Yields of grain: 
1912.... bushels.. 
1913 do.... 
1914 do.... 
24.2 
20.6 
23.5 
20.3 
36.5 
39.1 
25.6 
41.3 
38.4 
20.8 
23.8 
22.0 
27.3 
38.3 
30.8 
20.8 
17.3 
23.0 
25.8 
41.4 
37.0 
21.9 
27.7 
33.4 
17.2 
21.5 
17.5 
23.7 
38.2 
36.0 
Average 
22.8 
32.0 
35.1 
22.2 
32.1 
20.4 
34.7 
27.7 
18.7 
32.6 
Crop value, cost, etc.: 
$6.84 
6.31 
$9.60 
5.84 
$10. 53 
4.50 
$6.66 
14.36 
$9.63 
11.25 
Cost 
.53 
3.76 
6.03 
-7.70 
-1.62 
