MANL'KLIS AXD FERIILTZERS. 



153 



the bodies of the animals, or is taken away in the products 

 sold. Rich feeding, therefore, has a beneficial influence in 

 two directions, larger yields of products being obtained, 

 and a better quality of manure being produced. 



COMPOSITION, AMOUNT, AND VALUE OF MANURE 



Proiluccd by Different Kinds of Farm Animals. 



(Results of experiments conducted at Cornell University Experiment 



St ition.) 



QUANTITIES OF NITROGEN AND ASH CONSTITU- 



ents Voided by Animals or Obtained in Animal 

 Products. (Lawes and Gilbert.) 



Horse at rest . . 

 H >r-,e ;'t work. 

 Fulieninj'' oxen . 

 1 ttenin','- sheep. 

 1 attoning pigs. 

 >! i lining cows.. .. 



Percentage of Nitrogen. 



Obtain- 

 ed as 



Animal 

 Prod- 

 uct. 



None. 



None. 



3-9 



4-3 



147 



24-5 



Voided 

 as Solid 

 Excre- 

 ment. 



43-0 

 29.4 

 22.6 

 16.7 

 22 .0 

 i8.i 



Voided 



as 

 Liquid 

 Excre- 

 ment. 



57-0 

 70.6 



73-5 

 79.0 



63 -3 

 57-4 



In Total 

 Excre- 

 ment. 



100. o 

 1 00.0 

 96. 1 

 95-7 

 85.3 

 75-5 



Percentage of Ash 

 Constituents. 



Obtained 

 as Live 

 Weight 

 or Milk. 



None. 



None. 

 23 

 3-8 

 4.0 



TO. 3 



Voided 

 as Excre- 

 ment or 

 Perspira- 

 tion. 



100. o 



ICO. 9 



97 7 

 96.2 

 96.0 

 89.7 



* Vahiing nitrogen at 15 cents, ptiospnoric acid at 6 cents, and puta&li 

 at 4i cents per pound 



