New York Agricultural Experiment Station. -io 



The amoimt of water-soluble phosphoric acid varied from to 

 12.47 per cent and aveniged 4.97 per cent. This constituted 

 nearly GO per cent of the available phosphoric acid present. 



The water-soluble nitrogen includes nitrogen present in the 

 form of ammonia salts and nitrates together with that present in 

 small amounts of soluble organic matter. The amount of water- 

 soluble nitrogen varied from 0.01 to 6.25 per cent and averaged 

 0.05 per cent. This constituted 42.0 per cent of the total 

 nitrogen present. 



