1890.] 



PUBLIC DOCUMENT — No. 33. 



141 



Fertilizing Constituents of White Soja Beans. 



Per Cent. 



Moisture at 100° C, 17.380 



Calcium oxide, .342 



Magnesium oxide, .869 



Ferric oxide, . . . .231 



Sodium oxide, .166 



Potassium oxide (4 J cents j^er pound), ..... 2.085 



Phosphoric acid (6 cents per pound), 1.851 



Nitrogen (17 cents per pound), 4.409 



Insoluble matter, .090 



Valuation per ton, $18 98 



Black Soja Beans. 

 [Experiment Station, 1888.] 



Fertilizing Constiticents of Black Soja Beans 



Moisture at 100° C, 



Calcium oxide. 



Magnesium oxide. 



Ferric oxide, 



Sodium oxide. 



Potassium oxide (4^ cents jJer pound) 



Phosphoric acid (6 cents per pound), 



Nitrogen (17 cents j^er pound), . 



Insoluble matter, 



Valuation per ton, .... 



Per Cent. 

 19.270 



.495 



.949 



.201 



.384 



1.896 



1.886 



4.208 



.095 



118 18 



