320 AGRICULTURAL EXPERIMENT STATION. [Jan. 



5. Analyses, etc. — Continued. 

 Nitrate of Soda. 



[Sent on from Amherst, Mass.] 



Moisture at 100° C, 

 Nitrogen, 



Insohiljlu matter, 



Per Cent. 



1.82 



14.72 



.12 



Carbonate of Potash. 

 [Sent on from Amherst, Mass. J 



Water of combination, 

 Potassimii oxide. 

 Magnesium oxide, , 

 Insoluble mattei , . 



Per Cent. 



26.8.S 



18.48 



19.52 



.39 



Odorless Phosphate. 



'£!., sent on from Hattield, Mass. ; II., sent on from Marshfield, Mass. ; III., sent on 

 from Amherst, Mass ] 



Concentrated Phosphates. , 



[I., double superpliosphate ; II., phosphate of ammonia ; III., jiliosphate of potash ; 

 sent on from New York, N. Y.] 



* Not (leterminci 



