38 
BULLETIN 1348, U. S. DEPAETMENX OF AGBIOULTUKB 
HOURS 
JAN 
10 20 
FEB. 
10 20 
MAR. 
10 20 
APR. 
10 20 
MAY 
10 20 
JUN. 
1020 
JUL. 
10 20 
AUG. 
10 20 
SEPT. 
10 20 
OCT. 
10 20 
NOV. 
10 20 
DEC. 
10 20 
HOURS 
11 
10 
9 
8 
7 
6 
5 
4 
3 
2 
1 

HOURS 
11 
10 
9 
8 
7 
6 
5 
4 
3 
2 
1 

11 
10 
9 
8 
7 
6 
5 
4 
3 
2 
1 

HOURS 
11 
10 
9 
8 
7 
6 
5 
4 
3 
2 
I 

MAN LABOR 
1 
~ 
ALFALFA 
BASED ON COST ACCOUNTING DATA 
FROM 
SOUTHERN WISCONSIN 
" 
i 
J 
1 
li^ 
II 
Ih 
ll 
1 
■ 
40.5 1 28.3 1 16.5 1 14 4 
.3 
PERCENTAGE DISTRIBUTION 
34.9 
30 4 
17.7 
16.4 
.6 
HORSE LABOR 
iL 
■ 
ii 
^ 
■ 
^ 
■■M 
■ 
I 
10 20 
JAN. 
10 20 
FEB. 
10 20 
MAR. 
10 20 
APR. 
10 20 
MAY 
10 20 
JUN. 
10 20 
JUL. 
10 20 
AUG. 
10 20 
SEPT. 
10 20 
OCT. 
10 20 
NOV. 
10 26 
DEC. 
Fig. 41.— Distribution of man labor and horse labor for 20 farms, representing the production of 128 
across of alfalfa. The reports show that the first and second crops may overlap during the period 
July 10 to 20. Black bars indicate total hours spent per acre during 10-day periods. (U. S. Dept. 
Agr., Department Bulletin 1000.) 
