288 AGRICULTURAL EXPERIMENT STATION. [Jan. 



5. Analyses, etc. — Continued. 



Dissolved Bone-black. 

 [T. and II., sent on from Amherst, Mass.] 



Superphosphate. 

 [Sent on from Amherst, Mass.] 



Moisture at 100° C , 

 Ash, .... 

 Total phosphoric acid, . 

 Soluble phosphoric acid, 

 Reverted phosphoric acid. 

 Insoluble phosphoric acid, 

 Insoluble matter, . 



Per Cent. 



14.2:1 

 69.95 

 14.64 

 10.34 

 2.42 

 1.88 

 10.81 



Fine-ground Bone. 



[Sent on from Amherst, Mass.] 



Mechanical Analysis. 



Fine, 



Fine medium, 



.Medium, 



( loarse medium, 



Chemical Analysis. 



Moisture at 100° C, 

 Ash," .... 

 Total phosphoric acid, . 

 Soluble phosphoric acid, 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid, 

 Nitrogen, 

 Insoluble matter, . 



Per Cent. 



48.57 



24.20 



20.59 



6.64 



8.40 

 54.81 

 15.16 

 2.33 

 6.42 

 6.41 

 3.89 

 0.42 



