New York Agricultural Experiment Station. 247 



Table I. — Results of Thorough Spraying of Single Rows in Forty-seven 



Unsprayed Potato Fields. 



* A row 290.4 x 3 ft. = "one-fiftieth acre. In some fields the rows were less than 3 feet apart. 

 Nevertheless, in the computation of the acre yields gven in Tables I and II the area of a row is 

 assumed to be one-fiftieth acre in all cases, f A minus sign indi- ates reduced yield. 



