276 AGRICULTURAL EXPERIMENT STATION. [Jan. 



5. Analyses of Commercial Fertilizers and Manurial 

 Substances sent on for Examination. 



Wood Ashes. 



p., sent on from Amherst, Mass. ; II. and III., sent on from Lawrence, Mass. ; IV., 

 sent on from Hudson, Mass. ; Y., sent on from Clifton, Mass.] 



Moisture at 100° C, 



Potassium oxide, 



Calcium oxide. 



Magnesium oxide, . 



Ferric and aluminic oxides, 



Phosphoric acid. 



Insoluble matter (before calci- 

 nation), . . . . 



Insoluble matter (after calci- 

 nation), . . . . 



Wood Ashes. 



p., sent on from South Framingham, Mass. ; II. and III., sent on from Townsend, 

 Mass. ; IV., sent on frem South Sudbury, Mass. ; V., sent on from Rock Bottom, 

 Mass.] 



