Ploughs and Ploughing. 



309 



stubble work fairly well, or which makes good enough work on 

 a bare fallow, may be quite unsuited for ploughing up grass 

 land. Again, a plough which does well on a light, sandy loam 

 may be a complete failure on a stiff clay. The converse of these 

 statements, however, does not hold true, for a plough which will 

 turn over a satisfactory furrow in a stiff clayey pasture will work 

 satisfactorily anywhere else. On a rough fallow, of course, 

 wheels will not run very well, though even that difficulty can 

 be met. The writer has tried many ploughs in his time, and on 

 many different soils, and is of opinion that many of the modern 



Fig. 8. — American Gang Plough. 



forms, which have two or three wheels, a skim-coulter, and a 

 chilled steel breast, will serve well as general purpose ploughs 

 and do any kind of work better than the old ones. 



For information and comparison an illustration of an 

 American sulky plough is given ; with high wheels and a seat 

 the work is done as comfortably as driving a mowing machine 

 (Fig. 8). 



Special Ploughs. 



It is not possible, within any reasonable limits, to go into the 

 merits and demerits of all the " special " kinds of ploughs which 



