May, 1931] Studies in Economics of Apple Orcharding 



29 



Table 9 — Distribution by five-day periods of total man hours in spraying 



on all orchards in 1927. 



Man hours 

 Farm Number 



Table 10 — Distribution by months of man hours in spraying on all farms. 



1926 



Per 

 Hours Cent, 



1927 



Per 

 Hours Cent. 



1928 



Per 



Total 



April .. 

 May .... 

 June .. 

 July .... 

 August 

 Other 



Total .. 



165 y* 



836 



932 Va 

 94% 

 611/2 



2,090 



7.9 



40.0 



44.7 



4.5 



2.9 



100 



468% 

 1,012 3/4 



756% 



369% 



82 



25 



2,714 



17.3 

 37.3 

 27.9 

 13.6 

 3.0 

 .9 



100 



894.25 

 2,708.25 

 2,319.25 



604. 



210. 

 33.5 



6,769.25 



Per 



Hours Cent. Hours Cent. 



13.2 



40.0 



34.3 



8.9 



3.1 



.5 



100 



