Massachusetts 

 Agricultural Experiment Station 



CONTROL SERIES J BULLETIN No. 45 DECEMBER, 1928 



Inspection of Commercial 

 Fertilizers 



By H. D. Haskins, H. R. DeRose and M. W. Goodwin 



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

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

 Massachusetts General Laws 1920. 



Requests for bulletins should be addressed to the 



Agricultural Experiment Station, 

 Amherst, Mass. 



