242 



BOARD OF AGRICULTURE. 



XX. 



Standard Fertilizer, 

 (Standard Fertilizer Company, Boston; collected of Mr. George F. Baker, 



$16 78 



Valuation per ton of two thousand pounds : — 



139.8 pounds of soluble phosphoric acid 

 58.2 pounds of reverted phosphoric acid 

 69.6 pounds of insoluble phosphoric acid 

 50 pounds of nitrogen 

 18 pounds of potassium oxide . 



$37 86 

 XXI. 



Buffalo Ammoniated Bone Superphosphate. 



(L. L. Crocker, Buffalo, N.T.; collected of Mr. B. F. Mills, South Williams- 

 town, Mass.) 



Per cent. 



8.95 



46.10 



53.90 



14.96 



6.59 



3.20 



5.17 



3.05 



2.23 



4.80 



Moisture lost at 100° C. 

 Organic and volatile matter 

 Ash constituents . 

 Total phosphoric acid . 

 Soluble phosphoric acid . 

 Reverted phosphoric acid 

 Insoluble phosphoric acid 

 Total nitrogen 

 Potassium oxide 

 Insoluble matter, sand, etc. 



Valuation per ton of two thousand pounds 



131.8 pounds of soluble phosphoric acid 

 64 pounds of reverted phosphoric acid 



103.4 pounds of insoluble phosphoric acid 

 61 pounds of nitrogen 

 44.6 pounds of potassium oxide . 



$15 82 



5 76 



6 21 

 12 20 



2 01 



$42 00 



