1889.] 



PUBLIC DOCUMENT — No. 4. 



491 



Analysis of Dry Matter. Per cect. 



Crude ash, 1.75 



" cellulose, 33.77 



" fat, .53 



" protein (nitrogenous matter), 3.00 



Non-niti*ogenous extract matter, 60.95 



100.00 

 Fertilizing Constituents in Corn Cob. 



Moisture at 100° C 24.76 



Nitrogen (16| cts. per lb.), .36 



Phosphoric acid (6 cts. per lb.), .069 



Calcium oxide, .005 



Magnesium oxide, .008 



Potassium oxide (4^ cts. per lb.), .512 



Sodium oxide, .265 



Ferric oxide, .006 



Insoluble matter, .267 



Valuation per 2,000 lbs. $1 71 



Corn and Cob Meal (Pride of the North). 



[Experiment Station, 1887.] 



Fertilizing Constitueyits in Cor7i and Cob Meal. ver cent. 



Moisture at 100° C. 26.34 



Nitrogen (16^ cts. per lb.), 1.24 



Phosphoric acid (6 cts. per lb.), .587 



Calcium oxide, .095 



Magnesium oxide, .131 



Potassium oxide (4 J cts. per lb), .468 



Sodium oxide, 200 



Ferric oxide, .004 



Insoluble matter, .130 



Valuation per 2,000 lbs., , $5 19 



