Stje €ommonrocaltl) of iHa0sacl)U0Ctt0 



STATE BOARD OF AGRICULTURE. 



CIRCULAR No. 37. 



April, 1915. 



Second Edition, Revised. 



The Value of Experimental Woek foe 

 Teuck Faemees. 



By T. C. Johnson. 



From the Sixty-second Annual Report of the Massachusetts 

 State Board op Agriculture. 



BOSTON : 



WEIGHT & POTTEE PRINTING CO., STATE PEINTERS, 



32 DEENE STEEET. 



1915. 



