388 THE" SMALL GRAINS 



vated crop with one cereal, even to the extent that can 

 already be recommended by the experiment stations, 

 will cause the most rapid progress in western agriculture. 

 Eighteen different crop rotation series are under trial at 

 the Moro, Oregon, substation, and, although it is not yet 



FIG. 124. Potatoes in rotation with wheat at the Nephi, Utah, 

 substation. 



determined which are the most profitable of these series 

 for farm practice, results already indicate that such crops 

 as field peas, corn, and alfalfa in cultivated rows can, 

 in a large measure, be substituted for summer tillage. 



In the 5-years experiments previously mentioned, conducted at 

 Nephi, Utah, the best yield of wheat was made following corn. This 

 crop, poorly adapted as it is in that part of Utah, furnished consider- 



