t28 ersity of California Publications in Agricultur ' Sciences [Vol.3 



A. S. N. + Cottonseed 

 Meal 



A S.N.+ (XH 4 ) 2 S04 

 Nitrogen 

 . + Dried Blood 



•^ A O. IN 



-3A Soil 



] A S. N 



25 Soils 



10 17 20 



Percentages of N. Nitrified 



''"'-■ -'''■ Gra P h showing the percentages of nitrogen in various nitrogen 

 lining materials nitrified in the nine samples of the Hanford fine sandy 

 loam. 



