22 
Colorado Experiment Station. 
Table No. 31 gives the man and horse labor costs in harrow¬ 
ing, practically all of which was done previously to planting. 
TABLE No. 31. 
MAN AND HORSE LABOR COST FOR HARROWING CORN. 
Year 
Acres 
MAN I 
IOURS 
HORSE 
HOURS 
Average 
Yield 
in Tons 
HOURS 1 
PER TON 
Total 
Per Acre 
Total 
Per Acre 
Man 
Horse 
1911 
9.0 
76.5 
8.50 
129 
14.33 
7.65 
1.11 
1.87 
1912 
9.0 
18 
2.00 
54 
6.00 
7.48 
0.27 
0.80 
1913 
9.0 
18 
2.00 
45 
5.00 
7.61 
0.26 
0.66 
1914 
9.87 
19 
1.92 
47 
4.75 
* * 
Totals .. 
36.87 
131.5 
275 
1 
Av. 4 yrs. 
3.57 
7.45 
0.41 
0.84 
**1914 data not completed when going to press. 
The irrigating costs are recorded in Table No. 32. 
TABLE No. 32. 
MAN AND HORSE LABOR COST FOR IRRIGATING CORN. 
Year 
Acres 
MAN I 
IOURS 
HORSE 
HOURS 
Average 
Yield 
in Tons 
HOURS PER TON 
Total 
Per Acre 
Total 
Per Acre 
Man 
Horse 
1911 
9.0 
53 
5.89 
7.65 
0.77 
1912 
9.0 
20 
2.22 
7.48 
0.30 
1913 
9.0 
3 
0.33 
5 
0.56 
7.61 
0.04 
0.07 
Totals 
27.0 
76 
5 
Av. 3 yrs. 
2.81 
0.19 
0.37 
0.02 
The labor of cultivation is recorded in Table No. 33. 
TABLE No. 33. 
MAN AND HORSE LABOR COST FOR CULTIVATING CORN. 
MAN HOURS 
HORSE 
HOURS 
Average 
HOURS PER TON 
Year 
Acres 
Yield 
in Tons 
Total 
Per Acre 
Total 
Per Acre 
Man 
Horse 
1911 
9.0 
85 
9.45 
99 
11.00 
7.65 
1.24 
1.44 
1912 
9.0 
139 
15.45 
78 
9.67 
7.48 
2.07 
1.29 
1913 
9.0 
84 
9.33 
64 
7.11 
7.61 
1.23 
0.93 
Totals .. 
27.0 
308 
241 
Av. 3 yrs.j 
11.41 
! _ 893 
| 1.51 
1.18 
Cost of Producing Oats. 
Table No. 34 summarizes the various costs included in the 
production of the oat crop for the four years, 1910 to 1913, inclu¬ 
sive. 
