RELATION OF FOOD TO MANURE 



397 



the farm, leaving only the debris and coarser parts 

 for the fields and vegetation. The evil of this way 

 of preserving manure more and more is becoming 

 apparent and a change in this respect ought to be 

 more commonly set in motion in the future. 



But there is still too little attention given the 

 production of manure from the standpoint of qual- 

 ity. Many farmers give little thought to food in 

 relation to the resulting manure. They seem to 

 think that manure is just manure, and that one kind 

 of food is about as good as another for producing it. 

 When purchasing a feeding stuff its fertilizing value 

 is usually ignored when, in fact, this matter should 

 be weighed as carefully as are the food nutrients 

 contained in it. Take two feeds like corn and cot- 

 tonseed meal. Both may be and are used exten- 

 sively in the feeding of cattle. In many tests the 

 latter has shown its superiority both for beef and the 

 dairy. The comparison is incomplete, however, if 

 the fertilizing values are not compared also. 

 has been done in the following table : 



CORN AND COTTONSEED MEAL COMPARED 



From this we see that, allowing 16 cents a pound 

 for nitrogen and 5 cents each for phosphoric acid 

 and potash, the fertilizing value of the cottonseed 



