308 



BOARD OF AGRICULTURE. 



in our fertilizer trade is, no doubt, a most encouraging sign 

 that the principles of rational manuring are becoming better 

 understood, and, in the interest of good economy, more 

 generally applied. 



One case of a violation of the laws for the regulation of 

 the trade in fertilizers, by selling without a license, has been 

 reported to the secretary of this Board, for action in the 

 courts. From sixty-five to seventy analyses of fertilizers are 

 reported in the subsequent pages. , 



The following prices have been adopted in their valuation ; 

 except in those cases where nitrates, actual ammonia, or 

 sulphate of potassa, have been mentioned by the manufac- 

 turer. 



Ruling Market-Prices for the Year 1879-80. 

 Boston, New York. 



I. 



Price per pound, 

 in cents. 



. 24 to 25 



I. Nitrogen. In form of ammonia and nitric acid, from . 



In form of dried ground meat and blood, nnely-pulver^ 

 ized steamed bones, finely-ground fish-guano, Peru- 

 vian guano, urates, poudrettes, and artificial guano . 20 



In form of finely-ground bones, fine-ground horn, wool- 

 dust, bat-guano, &c. . . . • • • .18 



In form of coarsely-ground bones, horn-shavings, wool- 

 len rags, human excretions and barnyard -manure, fish- 

 scraps, animal refuse-matter from glue factories and 

 tanneries, &c. ........ 15 



II. Phosphoric Acid soluble in water. As contained in alkaline 



phosphates and superphosphates . . . .12 



In Peruvian guano and urates ..... 9 



In form of so-called reduced or reverted acid . . 9 



In precipitated bone-phosphate, steamed fine bones, fish- 

 guano, according to size and disintegration, from . 6 to 7 

 In form of bone-black waste, wood-ash, Caribbean 

 guano, ground bone-ash, coarsely-ground bones, pou- 

 drette, barnyard-manure, &c. ..... 5 



In form of finely-ground South-Carolina and Nevassa 

 phosphates ......... 3.5 



