APRIL 1915 



TECHNICAL BULLETIN 3 



VIRGINIA POLYTECHNIC INSTITUTE 



VIRGINIA AGRICULTURAL EXPERIMENT STATION 



Nitrogen Fixation and Nitrification 

 in Various Soil Types 



BY 



HOWARD S. REED and BRUCE WILLIAMS 



DIVISION of 



FORESTRY 



COLLEGE Of 

 UNIVERSITY OF CALIFORNIA 



BLACKSBURG. MONTGOMERY COUNTY, VIRGINIA 



