REQUIREMENTS OF FIELD CROPS. 



35 



HOURS 



JAN. 

 10 20 



FEB. 



1020 



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 

 











































































11 



10 

 9 

 8 

 7 

 6 

 5 

 4 

 3 

 2 

 1 

 



HOURS 



11 



10 

 9 

 8 

 7 

 6 

 5 

 4 

 3 

 2 

 1 

 O 









MAN LABOR 













































OATS 



BASED ON COST ACCOUNTING DATA 

 FROM 

 WESTERN ILLINOIS 





















































































































































































































































































































































































































































































■ 



















































■ 























1 

















































. 





1 

















1 



. 



I 



. 































30.5 | .6 



1.4 



28.6 



36.2 | 



2.6 









PERCENTAGE DISTRIBUTION 







i 



51.5 



1.1 



.6 



20.5 



24.7 



1.5 























































































HORSE LABOR 

































































































































































































































































































































































| 























































































































































































































1 



















L 



















































, 



§1 

















1 



1 

















































ll 



_ 















■ 



. 



H 



. 

























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 20 



DEC. 



Fig. 9. — Distribution of man labor and horse labor for 22 farms, which produced a total of 891 acres of oats. 

 Black bars indicate total hours spent per acre during 10-day periods. 



