JUDGING DRY-FARM SOILS 



79 



more on each acre if time and circumstances permit 

 — and the results entered on a map of the farm. 

 The uniformity of the soil is observed as the 

 boring progresses. 

 If gravel layers ex- 

 ist, they will neces- 

 sarily stop the prog- 

 ress of the boring. 

 Hardpans of any 

 kind will also be re- 

 vealed by such an 

 examination. 



The climatic in- 

 formation must be 

 gathered from the 

 local weather bureau 

 and from older resi- 

 dents of the section. 



The native vege- 

 tation is always an 

 excellent index of 

 dry-farm possibil- 



5 



ities. If 



a 



good 



i^ 



stand of native Fig. 21. Soil augers. The subsoil of every 

 • J i 1 dry-farm should be studied by means 



grasses exists, there ^ boU augers. 



can scarcely be any 



doubt about the ultimate success of dry-farming 



under proper cultural methods. A healthy crop of 



sagebrush is an almost absolutely certain indication 



