1890.] 



PUBLIC DOCUMENT — No. 33. 



141 



Fertilizing Constituents of Wliite Soja Beans. 



Moisture at 100^ C, 



Calcium oxide, 



Magnesium oxide, 



Ferric oxide. 



Sodium oxide, 



Potassitun oxide (4| cents per pound) , 



Phosphoric acid (6 cents per pound), . 



Nitrogen (17 cents per pound), . 



Insoluble matter, 



Valuation per ton, .... 



Per Cent. 



17.380 



.342 



.869 



.231 



.166 



2.085 



1.851 



4.409 



.090 



$18 98 



Black Soja Beans. 

 [Experiment Station, 1888.] 



Fertilizing Constituents of Black Soja Beans. 



Per Cent. 



Moisture at 100^ C, . . 19.270 



Calcium oxide, ,495 



Magnesium oxide, .949 



Ferric oxide, ; . .201 



Sodium oxide, .384 



Potassium oxide (4^ cents per pound), 1.896 



Phosphoric acid (6 cents jier pound), . . . . . 1.886 



Nitrogen (17 cents per pound), 4.208 



Insoluble matter, .095 



Valuation jier ton, $18 18 



