COxMMERCIAL FERTILIZERS. 



235 



VI. 



Manhattan Blood- Guano. 



(Collected of Messrs. Arms & Co., Greenfield, Mass.) 



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 



Per cent. 



13.86 



52.73 



47.27 



12.90 



7.23 



1.88 



3.79 



2.84 



.57 



8.92 



Valuation per ton of two thousand pounds : — 



144.6 pounds of soluble phosphoric acid . . $17 36 



37.6 pounds of reverted phosphoric acid . . 3 39 



75.8 pounds of insoluble phosphoric acid . . 4 55 



56.8 pounds of nitrogen 11 36 



11.4 pounds of potassium oxide .... 51 



$37 17 



YII. 



E. F. Coe^s Superior XXX Tobacco Fertilizer. 

 (Collected of Messrs. Arms & Co., Greenfield, Mass.) 



Moisture lost at 100° C. 

 Organic and volatile matter 

 Ash constituents . 

 Total phosphoric acid . 

 Soluble phosphoric acid 

 lleverted phosphoric acid 

 Insoluble phosphoric acid 

 Kitrogen 

 Potassium oxide 

 Insoluble matter . 



Valuation per ton of two thousand pounds : — 



165.2 pounds of soluble phosphoric acid 

 41.6 pounds of reverted phosphoric acid 

 40 pounds of insoluble phosphoric acid 

 68.2 pounds of nitrogen 

 45.6 pounds of potassium oxide . 



Ul 63 



