352 



Bulletin 180. 



Plan of Experiment IV. 



Experiment IY. — Table of Results with Elberta Trees 



Obtained by Actual Count. 



In the Bordeaux mixtures used in the above table the first figure represents 

 pounds of copper sulfate, the last gallons of water, and the middle one, sepa- 

 rated from the others by dashes, represents pounds of unslaked lime. When 

 copper sulfate or lime is used alone with water, the last number represents gal- 

 lons of water and the finst the copper sulfate or the lime in pounds. 



