CEREAL CULTIVATION WESTERN AREA 405 



Plains. There is no tough sod of matted grass roots to 

 be rotted, and immediately after the first plowing and 

 pulverizing of the soil, it is in good condition for seeding 



FIG. 133. Virgin soil of cleared sagebrush land, ready for seeding, 

 in Utah. 



(Fig. 133). However, the ground is often cleared and 

 plowed in the spring and summer-tilled. 



431. Time of seeding. Differences in altitude, as 

 well as other varying conditions, make it impossible to 

 give definite statements of general application on time of 

 seeding in this area. It is usually an advantage to sow 

 early, though this is not always true. In Utah it has 

 been found that early autumn seeding may result in an 



