Food for a u the cos t o f the fertilizers, leaving the increase of 



Plants , i 



- wheat as clear gain. 



*34 In this case also the rate of gain is increasing, the 



average yield for the first five years of the period being 

 25 bushels per acre, as against 32 bushels for the last five 

 years, and there seems to be no good reason to doubt 

 that after the wasted fertility of this land has been re- 

 stored it will be possible to still further increase the 



Rye. 



Rye 18 Bushels. 



Average product per acre for 

 the U. S. of rye with average 

 farm fertilization. 



Rye 36 Bushels. 



The product of an acre of 

 rye fertilized with Nitrate of 

 Soda, home mixed with phos- 

 phates and potash. 



yield to a point equaling that in the experiment first 

 mentioned. 



Wheat and Oats, Rye and Barley. 

 (Bulletin 44, Georgia Agricultural Experiment Station.) 



This bulletin gives in detail the results of experi- 

 ments on wheat with fertilizers, in which Nitrate of 



