1907.] 



PUBLIC DOCUMENT — No. 33. 



41 



Average Yields of Corn per Acre. 



Average Yields per Acre on the Tivo Systems of Fertilizing . 



During the period of this experiment the entire field has 

 produced six crops each of hay and rowen. The averages 

 for each plot and the averages for the two systems of fer- 

 tilizing are shown in the following tables : — 



Average Yields per Acre of Hay and Bowen, Six Years (^Pounds') . 



Plot 1 (lesser potash) , . 

 Plot 2 (richer in potash). 

 Plot 3 (lesser potash), . 

 Plot 4 (richer in potash) , 



1,100 

 1,176 



885 

 1,203 



Average Yields per Acre on the Two Systems of Fertilizing, Six Years 



(Pounds). 



It will be noticed that the average crop of corn has been 

 somewhat heavier, while the average crop of hay is slightly 



