1886.] 



PUBLIC DOCUMENT — No. 33. 



67 



HUNGARIAN GRASS. 



(Panicum Germanicum.) 



[Collected in bloom from the Plats of the Station, Sept. 3, 1885.] 



Horse Bean and While Lupine for Green Manuring. — A 

 piece of land adjoining the experimental plats, represented 

 in sketch B, was to be added to the latter to lengthen out 

 the several plats, to give them a more desirable form for the 

 comparative study of crops. The soil was worn out by a 

 continuous raising of grass for hay ; the annual yield of the 

 hay had fallen ofl' to one-half a ton per acre, and the last 

 crop had ripened prematurely. No manurial matter could 

 be added to the soil in consideration of the purpose it was 

 to serve hereafter. To let it lay idle until it was best to sow 

 the grass seed for experimental purposes was thought not 

 advisable. 



The worn-out condition of the soil suggested the idea to 

 experiment with some leguminous plants, reputed for their 

 efficiency as green manures, and to prepare the land, in this 

 connection, by drill culture, for its future work. To accom- 

 plish this end, the grass land, .64 of an acre in size, was 

 ploughed during the first week of May, and the soil subse- 

 quently thoroughly broken up by the wheel harrow. One- 

 half of the field was planted May 16, in drills three feet and 



