CITY STABLE MANURES. 167 



Phosphoric 

 Water. acid. Potash. Nitrogen. = Ammonia. 



The following Table shows the amount pro- 

 duced annually by a single animal of the kind 

 named, and its value, assuming the phosphoric 

 acid to be soluble, and the nitrogen as actual 

 ammonia. * 



Phosphoric 

 Amount. acid. Potash. Ammonia. Value. 



Pig 200 Ibs. 1-6 Ibs. 1-0 Ibs, 1-7 lbs.= $0.62 



By the above Tables, the farmer can ascertain 

 the value of the excrements derived from the 

 stock he keeps ; they will also show to some 

 farmers the money value of substances they allow 

 to go to waste, and will serve to correct the 

 extravagant ideas of others, who attribute to 

 stable manure and droppings of animals a higher 

 value than it really possesses. 



City Stable Manures. A cart load of the 

 stable manure, usually purchased by farmers 

 from the dealers in cities, and for which they 



