36 AGRICULTURAL EXPERIMENT STATION. [Jan. 



Local Market Cost of the Various Fodder Articles used from 

 November, 1890, to June, 1891. 



Commercial Value of the Essential Fertilizing Constituents of the 



Above Fodder Articles. 

 Nitrogen, 15 cents; phosphoric acid, 5£ cents; potassium oxide, 4J cents per pound. 



Obtainable Manurial Value {per Ton), allowing a Loss of 20 

 Per Cent, contained in the Milk sold. 



$5 25 $9 91 $18 69 $15 12 $12 30 



27 $2 38 $2 83 



Net Cost of Above Fodder Articles per 2,000 Pounds {obtained 

 by deducting the Obtainable 80 Per Cent, of Manurial Value 

 from their Market Cost). 



$22 75 $15 09 



31 $10 88 $15 70 



73 $1 12 $2 12 



Net Cost per Pound (Cents), 



1.14 0.75 0.465 0.54 0.78 0.44 0.056 0.106 



Average Composition of the Principal Daily Fodder Rations used 

 at Different Periods of the Experiment. 



n. 



