180 AGRICULTURAL EXPERIMENT STATION. [Jau. 



Fertilizing Constituents of Sulla. 



Moisture at 100° C, 



Calcium oxide, 



Magnesium oxide, . 



Ferric oxide, .... 



Sodium oxide. 



Potassium oxide (4 J- cents per jiound), 



Phosplioric acid (6 cents jjer pound). 



Nitrogen (17 cents per pound), 



Insoluble matter, .... 



Valuation j^er ton, .... 



Per Cent. 



10.460 



2.791 



.378 



.147 



.362 



1.872 



.424 



2.441 



.987 



$10 40 



Hairy Vetch ( Vicia vtllosa) . 

 [Collected Sept. 3,' 1888, blooming ] 



Moisture at 100° C, 

 Dry matter, 



Per Cent. 

 7.44 



92 56 



100 00 

 In green material, moisture 78.01 percent ; dry matter, 21 99 percent. 



Bokhara or Sweet Clover {Melilotus alba). 



[Collected Oct. 3, 1888, at the close of the period of blooming.] 



Per Cent. 



Moisture at 100° C, 6.36 



Dry matter, 93.64 



Analysis of Dry Matter. 

 Crude ash, 



" cellulose, .... 



" fat, 



" protein (nitrogenous matter). 

 Non-nitrogenous extract matter, . 



100.00 



6.90 

 28.08 



1.85 

 11.81 

 51.36 



100.00 



In green material, moisture 70.52 percent. ; dry matter, 23.48 jser cent. 



