MASSACHUSETTS 

 AGRICULTURAL EXPERIMENT STATION 



Bulletin No. 395 July 1942 



Preparation and Use of 

 Artificial Manures 



By Karol J. Kucinski 



The real or assumed dependence of crop production upon animal manures 

 has encouraged this attempt to provide an artificial substitute. 



MASSACHUSETTS STATE COLLEGE 

 AMHERST, MASS. 



