REQUIREMENTS OF EIELD CROPS. 
HOURS 
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 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 

1 
1 
11 
10 
9 
8 
7 
6 
5 
4 
3 
2 
1 
O 
HOURS 
11 
10 
9 
8 
7 
6 
5 
4 
3 
2 
1 
O 
MAN LABOR 
CORN 
HUSKED 
BASED ON COST ACCOUNTING DATA 
FROM 
WESTERN ILLINOIS 
1.8 \Z6.7 | 23.9 | 13.9 
3.1 
1.9 
3.6 | 15.9 | 9.2 
PERCENTAGE DISTRIBUTION 
2.5 
37.9 
21.7 
11.9 
1.1 
2.6 
14.3 
8.0 
HORSE LABOR 
- 
n 
L. 
I 
Jl 
„ 
J 
mm 
„ 
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 ; 
SEF 
>0 
T. 
1 
C 
)C 
!0 
T. 
1( 
I 2 
10 

V. 
1 
c 

E 
>o 
C. 
Fig. 1.— Distribution of man labor and horse labor for 9 farms producing a total of 426 acres of corn. Most 
of the corn on these farms was husked from standing stalks. Black bars indicate total hours spent per 
acre dming 10-day periods. 
