496 



BOARD OF AGKICULTURE. 



Valuation per two thousand pounds : — 



227.8 poiinds of soluble phosphoric acid, 

 12.2 pounds of reverted phosphoric acid, 

 3.8 pounds of insoluble phosphoric acid, 

 51.1 pounds of potassium oxide, . 

 69. pounds of nitrogen. 



fl8 22 



92 



11 



2 18 



12 08 



$33 61 



H. J. Baker & Bro.'s " Complete Potato Manure." 

 (Collected of Wilder & PufiFer, Springfield, Mass.) 



Guaranteed composition : Available phosphoric acid, 5| 

 per cent. ; potassium oxide, 10 per cent. ; ammonia, 4 per 

 cent, (equivalent to nitrogen, 3.3 per cent.). 



Per cent. 



Moisture at 100° C, . . . ... . . 10.15 



Total phosphoric acid, 7.82 



Soluble phosphoric acid, 5.49 



Reverted phosphoric acid, 1.65 



Insoluble ijhosijhoric acid, .68 



Potassium oxide, 9.40 



Nitrogen, 6.04 



Insoluble matter, 1.17 



Valuation per two thousand pounds : — 



109.8 pounds of soluble iDhosj)horic acid, 

 33. pounds of reverted phosphoric acid, 

 13.6 pounds of insoluble phosphoric acid, 



188. pounds of potassium oxide, . 



100.8 jjounds of nitrogen. 



Quinnipiac Company's *' Fish and I 



Brand.) 

 (Collected of B. L. Bragg & Co., Springfield, Mass.) 



Guaranteed composition : Total phosphoric acid, 5 to 7 

 per cent. ; available phosphoric acid, 3 to 5 per cent. ; 

 potassium sulphate, 6 to 10 per cent, (equivalent to nitro- 

 gen, 3 to 5 per cent.) ; nitrogen, 3^ to 4| per cent, (equiv- 

 alent to ammonia, 4 to 5 per cent.). 



