PRINCIPLES OF MANURING. 



69 



analyses were made, and the composition, and percentage of loss 

 by weight : 



The manure was first exposed to the various conditions November 

 3d, 1854. 



No. 1 . Fresh manure exposed in a heap against a wall : 



Water 



Soluble organic substance. . . 

 Soluble inorganic substance. 



Containing nitrogen 



Per cent, of loss in weight.. 



Nov. 15, 

 1855. 



74.29 



2.74 



1.87 



.18 



30.4 



No. 2. Fresh manure kept under a shed 



No. 3. Fresh manure spread in open j'ard 



Water 



Soluble organic substance. . 

 Soluble inorganic substance 



Containing nitrogen 



Per cent, of loss in weight. . 



Nov. 15, 

 1855. 



65.56 

 .42 

 .57 

 .03 



42.4 



No. 4. Rotted manure exposed in a heap against a wall 



Nov. 15, 

 1855. 



Water 



Soluble organic substance. . 

 Soluble inorganic ^substance 



Containing nitrogen 



Per cent, of loss in weight.. 



71.55 



1.13 



1.04 



.09 



37.8 



These tables need studying in order to get at the facts the}' teach. 

 The tendency of farm manui'C in fermenting is to lose weight, and 

 to increase its per centage of soluble material. If no leaching takes 

 place this soluble material ought to accumulate in the heap, that is, 

 the heap become more concentrated in soluble matter. This is seen 

 to be the case in the pile of manure kept under a shed. Of the 



