Massachusetts 

 Agricultural Experiment Station 



CONTROL SERIES BULLETIN No. 51 NOVEMBER, 1929 



Inspection of Commercial 

 Fertilizers 



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



This is the fifty-sixth 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 addressed to the 



Agricultural Experiment Station, 

 Amherst, Mass. 



Publication of this Document approved by the Commission on Administration and 



FiNANCB 



2,500. l-'30. No. 7552. 



