458 



BOAKD OF AGRICULTURE. 



leather refuse which has been treated with lime, no valuation 

 is stated, as it must be valued by testing in the field. 



Ground Horn. 



[Of Perkins & Bradstrect, Danvers, Mass. Sent on for examination fy J. J. II. 



Gregory, Marblehead, Mass.] 



Moisture at 100° C, . 

 Organic and volatile matter, 

 Ash, ..... 

 Phosphoric acid, 

 Nitrogen in organic matter, 



Valuation per 2,000 Pounds. 

 270.6 lbs. nitrogen at 10 cents, 

 27.2 lbs. phosphoric acid at 4^ cents, 



$■28 28 



The inferior mechanical condition of the article advises the 

 low valuation of the nitrogen present. 



Bonehlack. 



[I. Co'llected of B. F. Bridges, South Deerfleld, Mass.] 



Pounds per Hcndbed. 



ir. 



Moisture at 100° C, . 



Phosphoric acid, . 



Ash, .... 



Calcium, 



Valuation per 2,000 lbs., 



2.50 

 23.47 

 58.45 



^21 12 



Boneblack refuse, in a fine ground condition may be pro- 

 fitably used /or composting. 



Ground South Carolina Phosphate. 



[Sent on by the Ashby Fanners' Club, Ashby, Mass.] 



Per cent. 



Moisture at 100° C, . . . ^ 1.90 



Total phosplioric acid, 27.13 



Insoluble matter, 11.90 



Valuation per 2,000 lbs., $12 21 



