180 AGRICULTURAL EXPERIMENT STATION. [Jan. 



Fertilizing Constituents of Sulla. 



Moisture at 100° C, 



Calcium oxide, 



Magnesium oxide, . 



Ferric oxide, , 



Sodium oxide, 



Potassium oxide {\\ cents per jwund). 



Phosphoric acid (6 cents per pound). 



Nitrogen (17 cents i^er jiound). 



Insoluble matter, .... 



Valuation ^er ton, .... 



Per Cent. 



10.460 



2.791 



.378 



.147 



.362 



1.872 



.424 



2.441 



.987 



flO 40 



Hairy Vetch ( Vicia villosa) . 

 [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 ; di'y matter, 21 99 percent. 



Bokhara or Sweet Clover '{Melilotas alba). 

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



Moisture at 100° C, 

 Dry matter. 



Analysis of Dry Matter. 

 Crude ash, 



" cellulose, .... 



" fat, 



" protein (nitrogenous matter), 

 Non-nitrogenous extract matter, . 



Per Cent. 



6.36 

 93.64 



100.00 



6.90 



. 28.08 



1.85 



11.81 



51.36 



100.00 

 In green material, moisture 76.52 percent. ; dry matter, 23.48 per cent. 



