240 AMERICAN MANURES. 



PATAPSCO GUANO COMPANY'S AMMO- 

 NIATED SOLUBLE PHOSPHATE! 



The above fertilizer, from which samples for 

 analyses were selected, was purchased at the 

 company's office, Baltimore. It is put up in bags 

 marked 167 Ibs. ; the bag purchased weighed 

 170 Ibs. Its mechanical condition was very bad. 

 We found hard lumps in it, as large as a 50-lb. 

 cannon ball; as the manufacturers recommend 

 this article to be drilled, we are in doubt whether 

 they meant the drill of the farmer, or the drill 

 of the quarryman. From our experience in pul- 

 verizing the article, we incline to think it was 

 the latter. This is a very objectionable feature 

 of this fertilizer, and must necessarily give the 

 farmer considerable trouble. In an attempt to 

 conform with the laws of the State of Maryland, 

 there were some lettering and figures on the bag, 

 which we are charitable enough to concede were 

 intended for an analysis. After considerable 

 trouble, we set down the following, which if not 

 correct, we shall feel under obligation to the com- 

 pany if they will notify us : 



Soluble Phosphates 24-00 



Insoluble Phosphates 18-00 



Ammonia 4-00 



Salts of Potash 7-00 



This, to say the least, is a garbled analysis. 

 It states that this superphosphate contains 24 



