24 Colorado Experiment Station. 
recorded for only two seasons, and those seasons in which the oper¬ 
ation was necessary to prepare a desirable seedbed. 
TABLE No. 38. 
MAN AND HORSE LABOR COST FOR ROLLING FOR OATS. 
Year 
1 
Acres 
MAN 1 
IOURS 
HORSE 
HOURS 
Average 
Yield 
in Bu. 
HOURS 
PER BU. 
Total 
Per Acre 
Total 
Per Acre 
Man 
Horse 
1 
1910 
61.25 
44 
0.72 
161.5 
2.64 
32.5 
0.02 
0.08 
1913 
12 
9 
0.75 
36 
3.00 
63 1-6 
0.01 
0.05 
Totals . . 
73.25 
53 
197.5 
■ 
Av. 2 yrs. 
0.72 
2.69 
o*oi-4- 
0.07 
The leveling costs are recorded in Table No. 39. 
TABLE No. 39. 
MAN AND HORSE LABOR FOR LEVELING—OATS. 
Year 
Acres 
MAN HOURS 
.HORSE 
HOURS 
Average 
Yield 
in Bu. 
HOURS 
PER BU. 
Total 
Per Acre 
Total 
Per Acre 
Man 
Horse 
1910 
11.25 
0.5 
0.04 
1 
0.09 
32% 
1911 
34.93 
| 41.5 
1.19 
101 
2.89 
64 5-6 
0.02 
0.04 
1912 
16.61 
5 
0.30 
19 
0.60 
75 % 
0.004 
0.008 
1913 
26.69 
55 
2.06 
60 
2.25 
63 1-6 
0.03 
0.03 
1914 
41.19 
37 • 
■ • 0.90 
105 
* * 
Totals . . 
130.67 
139.0 
277 
Av. 5 yrs. 
| 1" 061 
2.12 
1.018 
0.013 
** 1914 data not complete at time of going to press. 
The. man and horse labor costs for harrowing, in preparation 
of the seedbed are given in Table No. 40. 
TABLE No. 40. 
MAN AND HORSE LABOR COST FOR HARROWING—OATS. 
Year 
Acres 
MAN 1 
IOURS 
HORSE 
HOURS 
Average 
Yield 
in Bu. 
HOURS PER BU. 
1 
Total 
Per Acre 
Total 
Per Acre 
Man 
Horse 
1910 
94.75 
127 
1.34 
321 
3.38 
32% 
0.04 
0.11 
1911 
63.85 
120.5 
1.89 
324.5 
5.80 
64 5-6 
0.02 
0.08 
1912 
49.5 
80 
1.61 
179 
3.61 
75% 
0.02 
0.05 
1913 
41.69 
94 
2.25 
261 
6.25 
63 1-6 
0.04 
0.10 
1914 
79.69 
150 
1.88 
376 
4.72 
* * 
Totals . . 
329.48 
571.5 
1,461.5 
Av. 5 yrs.| 
1.73 
4.44 
0.03 
0.08 
** 1914 data not complete at time of going to press. 
