STANDARD DAY S WORK IN CENTRAL ILLINOIS. 7 



use of 5 and horse teams, this being due to the same conditions tiuit 

 cause the use of hirger teams on tho sulky plows in the fall. 

 Tahle V. — Fall ploifhif/ ir/ilh. (jang j)1oto. 



Wiflth of 

 plow. 



Niimbor 

 of horses. 



Niimbpr 

 of reports. 



Acres por clay. 



Avcrnge. 



Acreage most often 

 reported. 



Inch's. 

 24 

 28 



28 



28 



5 

 4 



.5 



G 



20 

 CO 



lis 



153 



4.40 

 4.10 



4.56 



4.71 



i (10 reports). 



i (36 reports). 

 J 4: (/f5 reports). 

 \ 5 (38 reports). 



5 (73 reports). 



There is a decided decrease in the ground covered per day in 

 the fall, the 28-inch plows and four horses accomplishing 17 per 



Fig. 1. — The 2-bottom gang plow, with 5 horses, covers a little over 5 acres per day in 

 spring and 4.71 acres in the fall. This is a popular outfit. 



cent less than in the spring, the 5-horse outfits 11 per cent less, and 

 six horses 13 per cent less. In fact, six horses cover on an average 

 only as much ground per hour with these plows in the fall as do 

 four horses in the spring. 



COMPARISON OF SULKY AND GANG PLOWS. 



A comparison of an average day's work for 16-incli sulky plows 

 and 28-inch gang plows shows that so far as horse labor is concerned 

 the gang plow drawn by four horses is the most efficient unit in both 

 spring and fall. In the spring this outfit covers 1^ acres per day 

 per horse, while both the sulky plow drawn by three horses and the 

 gang plow drawn by five horses cover 1 acre per day per horse. The 

 gang plow drawn by six horses covers but nine-tenths of an acre per 

 horse. 



In the fall four horses with the gang plow cover 1.02 acres per 

 horse, while three horses on the sulky plow and five horses on the 



