18 
BULLETIN 222, U. S. DEPARTMENT OF AGRICULTURE. 
HETTINGER FIELD STATION. 
Results for three years have been obtained at Hettinger, N. Dak. 
All were years of good barley yields. The highest yields were 
obtained each year by summer tillage and the lowest, with one excep- 
tion, on disked corn ground. The average yield from summer tillage 
was more than twice that from the disked land. Following small 
grain, a decided advantage attended spring-plowed barley stubble. 
The crops in this group yielded better than on disked corn ground, 
but not as good as by summer tillage. 
Table X. — Yields and cost of production of barley by different methods at the Hettinger 
Field Station, 1912, 1913, and 1914. 
Yield per acre (bushels). 
Treatment and previous crop. 
Number 
of 
plats 
averaged. 
1912 
1913 
1914 
Average. 
1 
23.5 
27.1 
9.2 
19.9 
Spring plowed: 
1 
1 
26.3 
22.9 
39.6 
28.0 
16.3 
20.0 
27.4 
Oats 
23.6 
2 
24.6 
33.8 
18.2 
25.5 
1 
1 
13.5 
37.8 
21.0 
38.8 
10.2 
18.7 
14.9 
Summer tilled 
31.8 
Average of all 5 plats 
24.8 
30.9 
14.9 
23.5 
Summary of Yields and Digest of Cost. 
Tillage treatment. 
Previous crop. 
Yields, values, etc. (average per acre). 
Fall- Spring- 
plowed 1 plowed 
(1 plat). ! (2 plats). 
Disked 
(1 plat). 
Summer- 
tilled 
(1 plat). 
Small 
grain 
(3 plats). 
Corn 
(1 plat). 
Yields of grain: 
1912 bushels. . 
1913 do.... 
1914 do.... 
23.5 
27.1 
9.2 
24.6 
33.8 
18.2 
13.5 
21.0 
10.2 
37.8 
38.8 
18.7 
24.2 
31.6 
15.2 
13.5 
21.0 
10.2 
19.9 
25.5 
14.9 
31.8 
23.7 
14.9 
Crop value , cost of production , etc . : 
$8.16 
6.46 
$10. 46 
5.99 
S6.ll 
4.65 
$13.04 
11.40 
Cost 
Profit 
1.70 
4.47 
1.46 
1.64 
The relative position assumed by the various methods may be due 
in part to the distribution of the rainfall for the two years, 1911 and 
1912, and may be changed with subsequent work. In both 1911 and 
1912 a heavy rainfall came in August and September. The corn, 
which was still growing, used this water, while a portion of it was 
accumulated in the small-grain plats, where the grain was already 
harvested, and in the summer- tilled plats- The corn plats were 
