MANURE. 



171 



the head of the class of manures composed of salts. 

 First, the liquid evacuation of the cow, what is its 

 agricultural value as a manure ? Its composition 

 will form the answer : 



100- 



Let this now be compared with the standard of 

 value, cow dung. 100 lbs. of that afford 2 lbs. of 

 carbonate of ammonia ; while this evacuation gives 

 5 lbs. of ammonia in its urea, and nearly three times 

 5 lbs. in its other ammoniacal salts. 



244. The quantity of liquid manure produced by 

 one cow annually, is equal to fertilizing 1 1-4 acres 

 of ground, producing effects as durable as do the 

 solid evacuations. , A cord of loam, saturated with 

 urine, is equal to a cord of the best rotted dung. If 

 the liquid and the solid evacuations including the 

 litter, are kept separate, and soaking up the liquid 

 by loam, it has been found they will manure land, 



