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University of California Publications in Agricultural Sciences [Vol. 3 



Table 41 — Nitrification 

 San Joaquin Sandy Loam 



Sample 



10 



11 



12 



13 



17 



18 



21 



26 

 Average 



Table 42 — Nitrification — Percentages of Nitrogen Nitrified 

 San Joaquin Sandy Loam 



Soil nitrogen 



A 



ABO 



1.4 0.9 0.3 



2.5 .... 0.4 

 1.7 0.5 0.3 



1.2 .... 1.1 



1.9 



4.5 



4.3 



2.3 



2.47 0.17 0.3 



Soil nitrogen and 

 ammonium sulfate 



. A . 



r i 



ABC 



0.2 0.07 0.06 



0.4 



0.4 0.09 



0.5 0.08 0.20 



0.4 



0.9 1.00 



1.1 0.01 



0.6 



0.56 0.03 0.18 



Soil nitrogen 

 and dried blood 



A 



A 

 0.02 

 0.09 

 0.03 

 0.02 



0.02 



B 



0.03 



