362 



BOAED OF AGRICULTURE. 



Riverside Fertilizer. 



(Manufactured by J. O. Whitten, Boston, Mass. ; collected of J. S. Stackpole & 

 Sons, Ipswich, Mass.) 



Guaranteed composition : Moisture, 3.03 per cent. ; total 

 phosphoric acid, 22.99 per cent. ; soluble phosphoric acid, 

 1.28 per cent. ; reverted phosphoric acid, 10.60 per cent. ; 

 insoluble phosphoric acid, 11.11 per cent. ; nitrogen, 2.87 

 per cent, (equivalent to ammonia, 3.48 per cent.). 



Per cent. 



Moisture at 100° C, 1111 



Tola] phosphoric acid, . 

 Soluble phosphoric acid, 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid, 

 Nitrogen, 

 Insoluble matter, . 



Valuation per two thousand pounds : — 



14.4 pounds of soluble phosphoric acid, 

 138.6 pounds of reverted phosphoric acid, . 

 258.4 pounds of insoluble phosphoric acid, . 



68.2 pounds of nitrogen, 



$30 62 

 Stockhridge' s Mamire Roots. 

 (Collected of E. W. Wood & Co., Lowell, Mass.) 



Guaranteed composition : Available phosphoric acid, 9 to 

 11 per cent. ; nitrogen, '2\ to 3^ percent, (equivalent to am- 

 monia, 3 to 4 per cent.) ; potassium oxide, 2 to 4 per cent. 



Per cent. 



Moisture at 100° C, 14.85 



Total phosphoric acid, . 



Soluble phosphoric acid, 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid, 

 Potassium oxide, . 

 Nitrogen, 

 Insoluble matter, . 



9.41 

 6.49 

 2.20 

 .72 

 5.81 

 3.90 

 2.96 



Valuation per two thousand pounds : — 



129.8 pounds of soluble phosphoric acid, 

 44. pounds of reverted phosphoric acid, 

 14.4 pounds of insoluble phosphoric acid, 



116.2 pounds of potassium oxide, . 

 78. pounds of nitrogen, 



1 10 38 



3 30 

 43 



4 95 

 13 26 



$32 32 



