Q'l AGlilCULTURAL EXPERIMENT STATION. [Jan. 



Essential Fertilizing Constituents of the Above Fodder 

 Articles. 



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



History of Cows {Grades). 



Yield of Milk during Different Feeding Periods ( Quarts) . 



