FIFTY-SIXTH ANNUAL REPORT 



OF THE 



SECRETARY 



OF THE 



STATE BOARD OF AGRICETUEE 



OF THE 



STATE OF MICHIGAN 



AND 



THIRTIETH ANNUAL REPORT 



OF THE 



EXPERIMENT STATION 



FROM 



JULY 1, 1916, TO JUNE 30, 1917 



BY AUTHORITY 



LANSING, MICHIGAN 

 WYNKOOP HALLENBECK CRAWFORD CO., STATE PRINTERS 



1917 



