REQUIREMENTS OF FIELD CROPS. 



37 



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 

 











































































11 



10 

 9 

 8 

 7 

 6 

 5 

 4 

 3 

 2 



1 







HOURS 

 11 



10 

 9 



8 



7 



6 

 5 

 4 

 3 



2 

 1 

 









MAN LABOR 















































BARLEY 



BASED ON COST ACCOUNTING DATA 



FROM 



CENTRAL WISCONSIN 















































































































































































































































































































































































































































































1 





















































1 





















1 



■ 















































1 



■ 















■ 



■1 





_ 



1 



■ 







■ 



■ 

















1 23.2 | 7.7 





20.2 | 36.8 | 6.2 



2.6 | 3.3 





PERCENTACE DISTRIBUTION 









42.7 



15.4 





16.0 



23.6 



1.4 



.2 



.7 



















































































HORSE LABOR 









































































































































































































































































































































































































































1 









































































l 



















■ 





















































l 

































































■ 

















1 















































ll 















■ 



ll 





























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. 10.— Distribution of man labor and horse labor for 16 farms, representing the production of 175 acres 

 of barley. Marketing labor not included. Black bars indicate total hours spent per acre during 10-day 

 periods. 



