258 AGRICULTURAL EXPERIMENT STATION. [Jan. 



Agricultural Chemicals — Concluded. 



Sutyhate of Ammonia. 

 [Two samples from Amherst.] 



I. 



ii. 



Moisture at 100° C, 

 Nitrogen, 

 Sulphuric acid, 

 Insoluble matter, . 



2.46 2.21 

 20.14 21.30 

 60.05 59.37 



0.06 



Trace. 



5. Analyses of Commercial Fertilizers and Manurial 

 Substances sent on for Examination. 



Wood Ashes. 



[I, II. and III. sent on by Geo. A. Tapley, Revere, Mass.; IV. sent on by 

 Coolidge Bros., South Sudbury, Mass.] 



