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stable. These fresh excrements, used mode- 

 rately, give no hinderance to vegetation, as is 

 in fact proved in the manuring of land by the 

 folding of sheep and cows whose excrements, 

 in such case, pass directly into the soil. 



Notwithstanding the loss in nitrogenous 

 matters produced by the fermentation of the 

 dung, it is the practice frequently to ferment 

 the juicy portion previous to applying it to 

 the soil. The only advantage of this process 

 13, that it hastens the action of the manure. 



The normal manure of Payen and Bous- 

 singault came from the farm of Bechelbronn 

 belonging to Boussingault. This manure, 

 furnished by thirty horses, thirty horned cat- 

 tle, and twelve to twenty hogs, dried at 230° 

 Fahr. has the following composition : 



