HATCH EXPERIMENT STATION 



-OF THE 



MASSACHUSETTS 



AGRICULTURAL COLLEGE, 



BULLETIN No. 30. 



COMMERCIAL FERTILIZERS. 



ju:ivK^, iso^. 



The Bnlletiiis of this /Station will be sent free to all newsjyapers in 

 the State and to stich individuals interested in farming as may request 

 the same. 



AMHERST, MASS. : 



PRESS OF CARPENTER & MOREHOUSE. 



1895 



