UNIVERSITY OF CALIFORNIA PUBLICATIONS 



IN 



AGRICULTURAL SCIENCES 



Vol. 1, No. 3, pp. 39-49 December 14, 1912 



THE EFFECTS OF CALCIUM AND 

 MAGNESIUM CARBONATES ON SOME BIO- 

 LOGICAL TRANSFORMATIONS OF 

 NITROGEN IN SOILS 



BY 



W. P. KELLEY 



UNIVERSITY OF CALIFORNIA PRESS 

 BERKELEY 



