190 Fertilizers 



kind and proportion from the same materials will do 

 equally well under the same conditions. So far as the 

 matter has been investigated, there is no specific virtue 

 added by what is claimed to be the "blending" of the 

 materials. 



In the whole matter of the purchase of fertilizers, no 

 guide, however good, can take the place of intelligence on 

 the part of the purchaser. This intelligence must be 

 exercised in the selection of forms of plant-food, in the 

 preparation of formulas, in the interpretation of guar- 

 antees and of commercial values, and in the method of 

 using the fertilizer. 



