202 AMERICAN MANURES. 



ton, involving a loss to the farmer of $34.31, or 

 194 per cent, on every ton he purchases, or, in 

 other words, he pays for it very nearly 3 times 

 as much as it is worth. 



"THE MAGNUM BONUM SOLUBLE 

 PHOSPHATE." 



The above fertilizer, from which samples for 

 analyses were selected, was purchased at the 

 office of Messrs. Dugdale & Girvin, Baltimore, 

 Md. It is put up in bags, marked 167 Ibs. ; the 

 bag purchased weighed 170 Ibs. Its mechanical 

 condition was very bad, being composed almost 

 entirely of coarse, hard lumps, that were pul- 

 verized with considerable difficulty, and we 

 should think it would cause considerable trouble 

 to the farmer to prepare it for drilling. Messrs. 

 Dugdale & Girvin are comparatively modest in 

 recommending this fertilizer. They furnish an 



analvsis as follows : 



/ 



ANALYSIS. 

 Made by Prof. W. LeRoy Broun, formerly of Va. 



Soluble Bone Phosphate 13-79 



Bone Phosphate, soluble in the soil 27-94 



Ammonia 3'82 



Potash 4-24 



Soda and Magnesia 2*79 



This article contains the most valuable constituents in large 

 proportions, and I have no doubt will prove a very valuable 

 Fertilizer. W. LEROY BROUN. 



December 3d, 1870. 



