16 



BULLETIN 814, U. S. DEPAETMENT OF AGRICULTURE. 



half as many men reported the use of four horses as of three, but on 

 the average the fourth horse increased the ground covered per day 

 by less than one-tenth of an acre. Evidently the use of the fourth 

 horse on this machine is not justified, excepting under unfavorable 

 conditions. 



Table XV. — Cutting corn with hinder. 



ITnmber 

 of horses. 



dumber 

 of reports. 



Acres per day. 



Average. 



Acreap;e most often 

 reported. 



2 

 3 



4 



20 

 112 



59 



7.00 

 7.60 



7.74 



Scattering. 

 f 7 (25 reports). 

 \ S(V reports). 

 ( 7 mrcporls). 

 \ 8 (fi reports). 



SHOCKING CORN AFTER CORN BINDER. 



The average performance of ^2, 3, and 4 man crews in shocking 

 corn after the corn binder is shown in Table XVI. The most common 

 crew used in this work, two men, covers about three-fourths of an 

 acre more per day per man than do the 3-man cre.ws, and 1.2 acres more 

 per man than do the 4-man crews. However, on the average, the 2-man 

 crews lack about one acre per day of setting up as much corn as a 

 corn binder drawn by three or' four horses cuts. The 3-man crew 

 shocks on the average just as fast as the corn binder cuts the corn, 

 while the 4-man crew can shock three-fourths of an acre more per 

 day than is cut by the binder. 



Table XVI. — Shocking corn after com binder. 









Acres per 'lay- 



ITumbcr 



ITnmber 













of men. 



of reports. 



Average 



Average 



Aereaee per crew 







per crewf 



per man. 



most oiten reported. 











( 5 (25 reports). 



2 



95 



6.63 



3.33 



{ 6 (24 reports). 

 [ 8 (31 reports). 

 ( 7 (Hreports). 



3 



57 



7.74 



2. 58 



{ S (17 reports). 

 [ 10 (t.i reports). 



4 



15 



8.53 



2.13 



10 (7 reports). 



One man with a corn binder drawn by three horses, and three men 

 to shock the corn after the binder, cut and shock, on an average, 7.7 

 acres per day, or about 1.9 acres per man, while one man by hand cuts 

 and shocks on an average 1.28 acres per daj*. Thus the corn binder 

 and three horses increases the efficiency of man labor for this opera- 

 tion by nearly 60 per cent. If a two-man crew is used for shocking 

 after the binder, and they cover 7 acres per day, the efficiency of each 



