254 DRY-FARMING 



Tree growing on dr}'-farni lands is not yet well 

 established and, therefore, should be undertaken 

 with great care. \'arieties accustomed to the climatic 

 environment should be chosen, and the principles 

 outlined in the preceding pages should be carefully 

 used. 



Potatoes 



In recent years, potatoes have become one of the 

 best dr3'-farm crojjs. Almost wherever tried on lands 

 under a rainfall (jf twelve inches or more j^otatoes 

 have given comparatively large yields. To-day, the 

 growing (jf dry-farm potatoes is becoming an impor- 

 tant industry. The principles of light seeding and 

 thorough cultivation arc indis]3ensable for success. 

 P(jtatoes are well adapted for use in rotations, where 

 summer fallowing is not thought desirable. Mac- 

 d(jnald enumerates the f(.ill()wing as the best varieties 

 at present used on dry-farms: Ohio, Mammoth, 

 Pearl, Ptural New Yorkei', and Burbank. 



Mtscclhineous 



A further list of dry-farm crops would include rep- 

 resentatives of nearly all economic plants, most of 

 them tried in small ciuantit}' in various localities. 

 Sugar beets, vegetables, bullDous plants, etc., have 

 all been grown without irrigation under • dry-farm 

 conchtions. Some of these will no doubt be found 



