1895.] PUBLIC DOCUMENT — No. 33. 241 



FertiUziiKj Constituents. 



Dry matter contains : — Per ce^t. 



Nitrogen, 2.66 



Potassium oxide, 2.96 



Phosphoric acid, .61 



Blue lupine (Lnpinns coeruleus), three rows. The seed 

 was sown May 9, the plants appearing above ground May 

 19. The plants came into bloom July 12, when al)out two 

 feet in height. The seed was obtained of J. M. Thorburn, 

 New York, at fifteen cents per pound. 



White lupine {Lupinus albus), six rows. The seed was 

 sown May 9, the young plants appearing above ground May 

 19. The plants came into bloom June 28. July 10 it waij 

 noted as being twenty-five inches high. The seed was pur- 

 chased of D. Landreth & Son, Philadelphia, at six cents per 

 pound. The composition of the plant is stated below : — 



Per Cent. 



Moisture at 100° C, 85.35 



Dry matter, 14.65 



100.00 

 Amihisis of Dry Mdttcr. 



Crude ash, 5.03 



" tibre, 31.18 



"fat, 2.41 



" protein, 18.71 



Nitrogen- tree extract matter, 42.67 



100.00 



FertiUzing Coiistituenis. 



Dry matter contains : — 



Nitrogen, 2.99 



Potassium oxide, 1.73 



Phosphoric acid, . .35 



The lupines have served us well as green manuring crops. 

 They may be seeded the beginning of INIay and are ready to 

 be ploughed under the beginning of June, or may be seeded 

 the latter part of August and are ready for ploughing under 

 the latter part of September. 



