i6 



Soiling. 



would buy at least two tons of bran. So I might 

 go on through the whole list of farm grains and 

 by-products, and set them up beside commercial 

 fertilizers, and in point of economy it makes a very 

 bad showing for the latter, as will be seen by the 

 following table : 



The amount of nitrogen, phosphoric acid, and 

 potash given in commercial fertilizers is estimated 

 by the analysis given on the sacks. The cost per 

 ton in the last column is the price the fertilizers are 

 sold at. I have given to the nitrogen, phosphoric 

 acid, and potash found in the fertilizers the same 

 values as in the hay and oil meal. The real value 

 of the hay and oil meal compared with commercial 

 fertilizers in the above analysis is seen at a glance. 

 It makes the strongest possible argument to the econ- 

 omy of barnyard manure. We still have in the oil 

 meal and the clover hay its value as an animal food ; 

 besides, as Professor Atwater says, " barnyard ma- 

 nure is a perfect fertilizer," which few, if any, com- 

 mercial fertilizers ever claim to be. Every farmer 



