MANHATTAN BLOOD-GUANO. 



339 



Valuation per ton of two thousand pounds : — 



53.6 pounds of nitrogen $10 72 



125.8 pounds of soluble phosphoric acid . . . 15 73 



17.4 pounds of reverted phosphoric acid . . 1 57 



30 pounds of insoluble phosphoric acid . . 1 80 



41 pounds of potassium oxide . . . . 1 85 



$31 67 

 VI. 



' Manhattan Blood-Gnano. 



(Messrs. Crafts Brothers, Whately.) 



Per cent. 



Organic and volatile matter 63.02 



Ash constituents ....... 36.98 



Moisture lost at 100° C 16.74 



Total nitrogen 2.90 



Total phosphoric acid 14.25 



Phosphoric acid soluble in water . . . . 9.02 



Reverted phosphoric acid 2.26 



Insoluble phosphoric acid 2.97 



Potassium oxide . . . . • . . .46 



Insoluble matter, sand, &c 1.92 



Valuation per ton of two thousand pounds ; 



58 pounds of nitrogen .... 

 180.4 pounds of soluble phosphoric acid . 

 45.2 pounds of reverted phosphoric acid 

 59.4 pounds of insoluble phosphoric acid 

 9.2 pounds of potassium oxide 



vn. 



Professor Orth's German Plant-Food. 

 (G. W. G-ny, Boston, Mass.) 



Moisture lost at 100° C. . 

 Total nitrogen .... 

 Total phosphoric acid 

 Phosphoric acid soluble in water 



$42 21 



Per cent. 

 6.20 

 8.45 

 9.04 

 7.40 



