556 PHYSICAL GEOGRAPHY. 



Non-volatile matter, 38.46 per cent. 



Soluble phosphoric acid, i-55 " 



Reduced phosphoric acid, 2.14 " 



Insoluble phosphoric acid, 2.46 " 



Nitrogen (2.5 ammonia), 2.02 " 



Valuation per ton of 2000 pounds. 



2 1 1. o pounds of soluble phosphoric acid, $34.24 



42.8 pounds of reduced phosphoric acid, 5.60 



49.2 pounds of insoluble phosphoric acid, 2.95 



40.4 pounds of nitrogen (50.0 pounds of ammonia), 12.12 



$54.91 



W. L. BRADLEY'S XL FERTILIZER. 



Moisture and volatile matter, 52.11 percent. 



Non-volatile matter, 47.89 " 



Soluble phosphoric acid 6.45 " 



Reduced phosphoric acid, 2.83 " 



Insoluble phosphoric acid, 3.60 " 



Nitrogen (3.23 ammonia), 2.43 " 



Valuation per ton of 2000 pounds. 



129.0 pounds of soluble phosphoric acid, $20.96 



56.6 pounds of reduced phosphoric acid, 7.47 



72.0 pounds of insoluble phosphoric acid, 4.32 



48.6 pounds of nitrogen (64.6 ammonia) H-58 



$47-33 

 III. 



WILSON'S AMMONIATED SUPERPHOSPHATE OF LIME. 



Moisture and volatile matter, 5-95 per cent. 



Non- volatile matter, 49.05 " 



Soluble phosphoric acid, 6.65 " 



Reduced phosphoric acid, i.oi " 



Insoluble phosphoric acid, 0.93 " 



Nitrogen (3.42 ammonia), 2.82 " 



Valuation per ton of 2000 pounds. 



133.0 pounds of soluble phosphoric acid, $21.51 



20.2 pounds of reduced phosphoric acid, . 2.66 



1 8. 6 pounds of insoluble phosphoric acid, 1.12 



56.4 pounds of nitrogen (68.4 ammonia), 16.80 



$42.09 



