1805.] PUBLIC DOCUMENT — No. 33. 241 



Fertilizing Constituents, 



Dry matter contains : — Per Cent. 



Nitrogen, 2.66 



Potassinm oxide, 2.96 



Phosphoric acid, .01 



Blue lupine (Lupimis copruleus) , three rows. The seed 

 was sown May D, the i)lants appearing above ground May 

 H). The plants came into bloom July 12, when about two 

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

 New York, at fifteen cents per pound. 



White lupine {Luj)iims cdbus), 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 wa^ 

 noted as being twenty-five inches high. The seed ^vas 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 



Anahjsis of Dry Matter, 



Crude ash, 5.03 



" fibre, 31.18 



"fat, 2.41 



" protein, 18.71 



Nitrogen-free extract matter, 42 . 67 



100.00 

 Fertiliziiuj Co nstituents. 



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 INlay 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 pai-t of September. 



