Massachusetts 

 Agricultural Experiment Station 



CONTROL SERIES BULLETIN No. 54 DECEMBER, 1930 



Inspection of Commercial 

 Fertilizers 



By H. D. Haskins 



This is the fifty-seventh report of the Massachusetts Fertilizer Control, 

 made in accordance with Chapter 94, Sections 250 to 261, inclusive, of 

 Massachusetts General Laws 1920. 



Requests for bulletins should be adclressed to the 



Asi'if'ultural Experiment Station, 



Amherst, Mass. 



Publication of this Document approved by the Commission on Aiiministration and 



Finance 



3m. 1-'31. No. 871. 



