68 AGRICULTURAL EXPERIMENT STATION. [Jan. 



Local Market Value per Ton of the Various Articles of 

 Fodder used. 



4. Valuation of the Essential Fertilizing Constituents contained 

 in the Various Articles of Fodder used. 



Nitrogen, 16i cents per pound ; phosphoric acid, 6 cents ; potassium oxide, 4^ cents. 



[Per cent.] 



