464 



BOAED OF AGEICULTURE. 



Havana Tobacco Stems. 



[Sent on by S. G. Hubbard, Hatfield, Mass.] 



Moisture nt 100° C, . 

 Dry mutter, 

 Crude ash, 

 Nitrogen in dry matter, 



One hundred parts of dry matter contained : — 



Potassium oxide, 

 Sodium oxide, . 

 Calcium oxide, . 

 Magnesium oxide, 

 Pliosphoric acid, 

 Sesquioxide iron. 



Valuation per ton of 2,000 lbs. for fertilizing purposes. 



iiorj 



88.05 



13.30 



2.01 



3.76 



.20 



4.15 



1.63 



.50 



.16 



$14 28 



The vahiation is based on the prices of the past yeai 

 (1883) : it is safe to count one-tenth less at the prices of 

 the present year. 



Kentucky Tobacco Stems, Ground. 



Moisture at 100° C, . 

 Dry matter. 



Crude ash (in organic matter) 

 Nitrogen (in organic matter). 

 Chlorine, .... 

 Sulphur, .... 

 Potassium oxide (4 J cents), 

 Sodium oxide, . 

 Magnesium oxide, . 

 Calcium oxide, . 

 Phosphoric acid (6 cents). 

 Insoluble matter, 



Valuation per 2,000 lbs., . 



12.18 

 87.82 

 15.00 

 2.616 



.425 



.275 

 8.816 



.161 

 1.305 

 3.720 



.726 

 1.618 



$17 78 



In this case the valuation is based upon prices current in 

 1884. Nitrogen has been valued at 18 cents per pound, 

 phosphoric acid at 6 cents, and potash, 4|^ cents. Both of 

 these refuse materials from the tobacco industry are quite 

 valuable for manurial purposes. 



