AGEICULTURAL EXPERIMENT STATION. 25 



Plan : The feeding of two lots pf pigs on same amounts of digest- 

 ible material, the ration to be more nitrogenous in one case than in 

 the other, drink and all other conditions to be similar. 



{40) Fertilizer Pot Expei-iment. 



Object : The study of the availability of different forms of phos- 

 phoric acid. 



Plan : The growing of plants in sand, different plots being 

 manured with different forms of P2 05, all other elements of plant 

 food being supplied in abundance, and conditions of temperature, 

 moisture, being the same for all plots. Galvanized iron pots used. 



Time: 1888. 



{41) Fertilizer Box Experiment. 



Object : Same as No. 40. 



Plan : Same as No. 40, only plants grown in boxes three feet 

 square, set ground, no bottoms, and filled with ordinary soil. 



Time : 1888. 



{42) Fertilizer Box Experiment. 



Object : A study of the availability for plant growth of different 

 forms of nitrogenous material. 



Plan: Same as No. 41. 



Time: 1888. 



ACKNOWLEDGEMENTS. 



The publishers of the following named papers have kindly placed 

 this station upon their complimentary list, for which grateful 

 acknowledgement is hereby made : 



American Analyst, 19 Park Place, N. Y. ; American Cultivator, 

 Boston, Mass. ; American Grange Bulletin, Cincinnati, Ohio ; 

 American Rural Home, Rochester, N. Y. ; Delaware Farm Home, 

 Wilmington, Del. ; Eastern Farmer, Waterville, Me. ; Farmers' 

 Advocate, London, Ont. ; Farmers' Club Journal, Hornellsville, N. 

 Y. ; Farm and Fireside, Phila., Pa. ; Farm and Home, Springfield, 

 Mass. ; Farmer's Home, Dayton, Ohio ; Farm Journal, Phila., Pa. ; 

 Farmers' Review, Chicago, 111. ; Hoard's Dairyman, Fort 

 Atkinson, Wis. ; Jersey Bulletin, Indianapolis, Ind. ; Mirror and 

 Farmer, Manchester, N. H. ; Maine Farmer, Augusta, Maine ; 

 Massachusetts Ploughman, Boston, Mass. ; National Farmer, 

 Augusta, Maine ; New England Farmer, Boston, Mass. ; New 

 York Weekly Tribune, New York, N. Y. ; Ohio Farmer, Cleveland, 



