THE PROBLEM OF TILLAGE 



rowing is greatly reduced; whereas flat- 

 furrow plowing requires a great deal of 

 harrowing before the field is left in fine 

 and mellow tilth. 



Depth of Plowing. 



The dry-land farmer often asks, "How 

 deep should I plow?" and again, "What 

 is deep plowing?" This is a hard ques- 

 tion to answer without some precise 

 knowledge of the local conditions and the 

 nature of the soil; but as a general rule in 

 dry-farming it may be emphatically said: 

 Plow deep. Usually deep plowing 

 means anything from seven to ten inches 

 and over. Of course on the Plains it is 

 not always possible to plow deep. The 

 ground may be too hard, or perhaps the 

 farmer has too few horses or the wrong 

 kind of plow. But deep plowing is 

 strongly to be recommended for several 

 reasons: it increases the water-holding 

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