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 Constitutents of the 



Above Fodder Articles. 

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



Moisture, . 

 Nitrogen, . 

 I'hosphoric acid, 

 Potassium oxide, 

 Valuation per 2,000 pounds. 



19.89 

 .735 

 .259 

 1.235 



$3 60 



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 



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

 by deducting the Obtainable SO Per Cent, of Manurial Value 

 from their Market Cost). 



$22 75 $15 09 



31 $10 88 $15 70 $8 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. 



