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AGRICULTURAL TEXT-BOOK. 



strong chemical resemblance. We give the following table from 

 Sprenyel showing the composition of Cow s urine wj^en fresh 

 (A,) ; putrified alone (B,) ; and when putrified with water (C.) 



Urea, 



Albumen, - .. 



Mucus, 



Benzoin acid, 



Lactic acid, 



Carbonic acid, 



Ammonia, 



Potash, - 



Soda, 



Silica, 



Alumina, 



Oxide of iron, 



Oxide of manganese, 



Lime, 



Magnesia, 



Chlorine, - 



Sulphuric acid, - 



Phosphoric acid, 



Acetic acid, (vinegar) 



Sulphuretted hydrogen,- 



Insoluble earthy 



Phosphates and carbonates, 



Water, 



180 150 

 92,624 95,443 93,481 



100,000 100..000 10.0000 



It will thus be understood how fresh urine may destroy vegetation, 

 and yet prove beneficial when decomposed. 



It is to the UREA which exists in urine in very much larger 



