EXPERIMENT STATION BULLETINS. 



343 



VII. 



MATERIALS USED FOR FERTILIZING PURPOSES. 



Paunch Manure. 



(1) 



Samples 2253, 2254 and 2255 wiere taken from a pile that had been 

 exposed to the weather four or five years. Niimiber 2253 was taken one 

 foot from the surface, No. 2254 was taken two feet from the surface, 

 and No. 2255 was taken three feet from the surface. Number 2256 was 

 fresh paunch manure. For the sake of comparison the analysis of a 

 sample of barnyard manure is also given. 



(2) Fertilizer Constituents in Tobacco. 



The fertilizing constituents of tobacco, more especially iwtash, varies 

 within wide limits and consequently it s^hould always be purchased on 

 a guaranteed basis or subject to chemical analysis. 



Analyses of Tobacco samples. 



No. 



2487 

 1617 

 1.307 

 1306 

 1616 



Name. 



Tobacco refuse 



Coarse ground tobacco 

 Tobacco dust, No. 1 . . 

 Tobacco dust, No. 2 . . 

 Toljacco dust, No. 3 . . 



Nitrogen, 

 percent. 



Phos- 



phoricacid, 



percent, 



1.98 

 1.70 

 1.73 

 0.96 

 1.81 



0.68 

 0.94 

 0.64 

 0.62 



I 



Potash, 

 percent. 



7.36 

 6.15 

 9.62 

 0.84 

 6.04 



