238 



THE SMALL GRAINS 



forest area, and is such a well marked physiographic 

 feature of the country, that it forms a basis for its divi- 

 sion for agricultural purposes into two distinct regions 



Fia. 73. Map of European Russia, showing the extent and divisions of 

 the Chernozem or Black Earth. 



the chernozem and the non-chernozem. According 

 to the accompanying map (Fig. 73), based upon one by 

 Tanfiliev, it is seen that the chernozem occupies almost 



