By the above table it will be seen the dung of the sheep is 

 low*, st in water and richest in nitrogen and phosphoric acid ; there- 

 fore lor equal weights it is the most valuable manure. 



If we take the dried solid excreta from the above analyses and 

 compare them together, we get the following results : 



By this it will be seen pigs' dung is the richest as a fertiliser in 

 the three substances of its composition. I would not advise the 

 use of pigs' dung alone on any crop, as it is liable to give a peculiar 

 taste to the crop. It should always be mixed with other farmyard 

 manure. 



Wolff, from investigations he has made, calculates that from 

 100 parts of the organic matter, nitrogen, and mineral matter in the 

 food, dried and free irom water, the following percentages are 

 passed in the solid excreta : 



URIXE, OR LIQUID MANTKK. 



What has been said about the solid excreta, regarding the 

 variation of its composition, can also be said of urine. As it contains 

 the substances digested, naturally the quality of the food will have 

 a good deal to do with its composition. The class of animals, the 

 age and conditions of treatment, will also have an effect on it. The 

 quantity of water drunk will alter the composition. This will be 



