1887.] 



PUBLIC DOCUMENT — No. 33. 



87 



pheric peculiarities of the last summer season cannot have 

 caused the above-reported failure. In sight of these circum- 

 stances it seems but natural to incline to the conclusion that 

 some peculiar condition of the soil upon the lands occupied by 

 this experiment has to be considered as the real seat of our 

 trouble. The work will be continued until a more positive 

 proof can be offered. 



The subsequent tabular statement regarding certain features 

 of the potato crops raised for three successive years upon the 

 three experimental plats here under discussion are not without 

 interest when considered in connection with the preceding 

 remarks. 



1884. 



Plat I. 



