COMMERCIAL FERTILIZERS. 



365 



Bradleifs Lawn Dressing. 



(Messrs. Newcombe & Sheldon, Greenfield, Mass.) 



Per cent. 



Moisture at 100° C, 15.15 



Organic and volatile matter, 34.20 



Ash constituents, 65.80 



Total phosphoric acid, 7.25 



Soluble phosphoric acid, 4.86 



Reverted phosphoric acid, 1.16 



Insoluble phosjjhoric acid, 1.23 



Nitrogen, 4.84 



Potassium oxide, 7.00 



Insoluble matter, 2.55 



Valuation per ton of two thousand pounds 



97.2 pounds of soluble phosphoric acid, 

 23.2 jjounds of reverted phosphoric acid, 

 24.6 pounds of insoluble phosphoric acid, 

 96.8 pounds of nitrogen, 

 140.0 pounds of potassium oxide, 



$45 95 



Tobacco Fertilizer. 



(Mapes Complete Fertilizer Co. ; collected of Messrs. Newton & Fuller, Springfield, Mass.) 



Moisture, .... 

 Organic and volatile matter, 

 Ash constituents, 

 Total phosphoric acid. 

 Soluble phosphoric acid, . 

 Reverted phosphoric acid. 

 Insoluble phosphoric acid, 

 Nitrogen, .... 

 Potassium oxide (sulphate), 

 Insoluble matter, 



Per cent. 

 12.80 



38.04 

 61.96 

 8.14 

 3.13 

 3.90 

 1.11 

 3.65 

 7.79 

 1.83 



Valuation per ton of two thousand pounds : — 



62.6 pounds of soluble phosphoric acid, 

 78.0 pounds of reverted phosphoric acid, 

 22.2 pounds of insoluble phosphoric acid, 

 73.0 pounds of nitrogen, .... 

 155.8 pounds of potassium oxide, . 



$44 60 



