REQUIREMENTS OF FIELD CROPS. 



V 



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 



It 



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 



O 



HOURS 

 11 



10 

 9 

 3 

 7 









MAN LABOR 











































| CORN 



HUSKED 



BASED ON COST ACCOUNTING DATA 



FROM 



WESTERN ILLINOIS 









































































































































































































































































































































































































































































































































































































1.8 J2 6.7 | 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 



























































I 







. 































































I 

 i 

































































































































































































6 

 5 

 4 

 3 

 2 



1 



O 















































































































































































































































































































































































?0 



C. 



10 20 

 JAN. 



10 20 

 FEB. 



10 20 



MAR. 



10 

 AP 



20 



R. 



10 20 

 MAY 



10 20 

 JUN. 



10 20 



JUL. 



1 



) : 

 U 







10 



s 



; 

 EF 



T. 



1 



c 



c 



'0 



r. 



10 20 



NOV. 



10 



DE 



Fig. 1. — Distribution of man labor and horse labor for 9farms producing a total of 426 acres of corn. Most 

 of tlie corn on these farms was husked from standing stalks. Black bars indicate total hours spent per 

 acre during 10-day periods. 



