THE PROBLEM OF TILLAGE 



the harrow backward, and the harrowing 

 will tend to make the wheat plants 

 "stool" out better and give a much better 

 stand. If the grain is too thick, run the 

 sharp iron teeth straight, cut out some 

 of the plants, and at the same time form 

 a mulch, which cannot fail to be of benefit 

 to the crop. In Utah it is usual to har- 

 row the grain from three to five times 

 during the growing season and thus the 

 surface soil is prevented from caking and 

 the fields kept free from weeds. It does 

 not pay to use a two-horse harrow on 

 large fields. Four-horse tools of all sorts 

 are far more economical. With a three- 

 section harrow and four horses a man or 

 boy can cover over thirty acres a day, 

 which makes it possible during spring 

 and summer to till a fairly large area of 

 land. 



There are several excellent implements 

 for harrowing, the most noted being the 

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