U2 



BOARD OF AGRICULTURE. 



per ton, is too high to recommend it for general farm pur- 

 poses. For experimental purposes in fruit-culture, as a 

 source of potassa and nitrogen, it deserves a careful consid- 

 eration. 



Sulphale of A inmonia. 



(Fioin Horton & Phelps, Norlliampton, Muss.) 



Moisture 

 Ammonia 

 Sulphuric acid 

 Insoluble matter 



Per cent. 



1.50 



27.00 



70.70 



None. 



This sample is of a good quality. The supjDly of sulphate 

 of ammonia has been less in our market during the past 

 year than in previous years. The price, which was formerly 

 ninety dollars, has risen to a hundred and five dollars. It 

 will be advisable for farmers to abstain from buying low 

 grades — dark-colored articles — for experimental purposes 

 on account of their doubtful character. 



Wnol-Waste (^saturated with oil). 



Moisture at 105° C. 

 Nitrogen 



Per cent. 



8.43 

 6.25 



Value equal to from sixteen to eighteen dollars per ton. 



Bone Fertilizers. 



II. 



Fbie-ground rendered Bones. 

 c Edmund Hersey, Esq., Hingbam, Mass.) 



