12 
BULLETIN" 218, U. S. DEPARTMENT OF AGRICULTURE. 
Table V. — Yields and cost of production of oats by different methods at the Judith Basin 
Field Station, 1909 to 1914, inclusive. 
Num- 
ber of 
plats 
aver- 
aged. 
Yield per acre (bushels.) 
Treatment and previous crop. 
1909 
1910 
1911 
1912 
1913 
1914 
Aver- 
age. 
Fall plowed: 
Wheat 
6 
1 
1 
1 
1 
164.9 
66.2 
57.8 
120.5 
20.9 
19.3 
53.0 
51.5 
53.7 
53.1 
45.7 
(-) 
(-) 
( 2 ) 
( 2 ) 
( 2 ) 
( 2 ) 
( 2 ) 
( 2 ) 
( 2 ) 
( 2 ) 
( 2 ) 
8 
( 2 ) 
8 
( 2 ) 
62.8 
65.0 
64.4 
70.6 
33.7 
53.0 
49.3 
54.0 
52.1 
46.2 
50.8 
Oats 
50.6 
49.8 
Winter wheat 
58. 6 
Flax 
63.7 
19.5 
41.8 
10 
63.9 
20.2 
52.2 
61.1 
52.0 
49.9 
Spring plowed: 
Wheat 
1 
1 
2 
63.1 
75.3 
72.4 
25.3 
24.3 
23.1 
51.5 
52.0 
54.5 
54. 5 
64.1 
63.1 
45.3 
44.6 
49.2 
47.9 
Oats 
52.1 
52.5 
4 
70.8 
24.0 
53.1 
61.2 
47.1 
51.2 
Sod breaking: 
Alfalfa 
1 
2 
1 
4- 
56.8 
62.5 
72.5 
14.3 
17.8 
22.8 
33.1 
22.5 
37.8 
30.6 
38.6 
50.3 
47.1 
21.5 
50.6 
36.4 
32.6 
Clover 
46.8 
63.6 
18.2 
29.0 
39.5 
35.2 
37.1 
Subsoiled: Oats 
1 
1 
6 
63.7 
72.5 
3 57. 3 
25.3 
22.8 
3 24.4 
53.0 
53.5 
55.6 
65.0 
63.4 
75.1 
40.6 
37.5 
54.2 
49.5 
Listed: Oats 
49.9 
Disked: Corn 
53.3 
Green manured: 
Rve 
2 
2 
68.7 
71.2 
25.7 
21.0 
56.8 
52.0 
75.9 
75.3 
54.3 
46.7 
56.3 
Teas 
53.2 
4 
69.9 
23.4 
54.4 
75.6 
50.5 
54.8 
Summer tilled 
3 
70.5 
23.6 
63.2 
76.2 
58.7 
58.4 
Average of all 33 plats 
65.5 
22.2 
51.4 
64.3 
49.4 
50.6 
Summary of Yields and Digest of Cost. 
Tillage treatment. 
Previous crop. 
Yields, values, etc. 
(average per acre). 
ps,*-' 
Mr) . 
■2SS 
«3 
P — 
W ft 
P 
P 
oil 
3 
s3 
a ~ 
£ 3 ft 
O 
SmCO 
S'43 ft 
f 
ft 
■d 
o 
TO 
00 
oft 
o 
Gog 
S3 ft 
la 
Yields of grain: 
1909 bushels.. 
1910 do.... 
1911 do.... 
1912 do.... 
1913 do.... 
1914 do... 
63.9 
20.2 
52.2 
CO 
61.1 
52.0 
70.8 
24.0 
53.1 
( 2 ) 
61.2 
47.1 
57.3 
24.4 
55.6 
( 2 ) 
75.1 
54.2 
72.5 
22.8 
53.5 
§4 
37.5 
63.7 
25.3 
53.0 
( 2 ) 
65.0 
40.6 
69.9 
23.4 
54.4 
(0 
75.6 
50.5 
70.5 
23.6 
63.2 
(0 
76.2 
58.7 
63.6 
18.2 
29.0 
CO 
39.5 
35.2 
61.6 
24.0 
55.3 
A\ 
53.0 
65.8 
22.0 
52.8 
( 2 ) 
63.4 
49.3 
63.7 
19.5 
45.7 
( 2 ) 
33.7 
46.2 
Average 
49.9 
51.2 
53.3 
49.9 
49.5 
54.8 
58.4 
37.1 
53.2 
50.7 
41.8 
Crop value, cost, etc.: 
$14. 97 
6.31 
815. 36 
5.84 
815. 99 
4.50 
S14. 97 
5.30 
814. 85 
6.92 
S16. 44 
14.36 
817. 52 
11.25 
Cost 
Profit 
8.66 
9. 52 
11.49 
9.67 
7.93 
2.08 
6.27 
i Only 4 plats in 1909 and 1910. 
Destroyed by hail. 
' Only 5 plats in 1909 and 1910. 
