204 AGRICULTURAL EXPERIMENT STATION. [Jan 



Saltpetre Waste from Gunpowder Works (7 Analyses). 



* Only estimations reported. 



Nitre Salt-cake (2 Analyses). 



Ammonite. 



Moisture at 100° C, 

 Phosphoric acid, . 

 Nitrogen, 

 Insoluble matter, . 



Per cent. 



5.88 



3.43 



11.33 



1.38 



