LEGUMINOUS PASTURE PLANTS 



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that, as a general rule, it can recur on the same land only after an interval 

 of rest equivalent in duration to the Lucerne ley. The following yields 

 of hay per acre have been recorded : — Hecke, 4,050 lbs. as an average for 5 

 years ; Hani, 3,080 to 3,520 lbs. ; Guido Krafft, 5,280 to 8,800 lbs. ; Werner, 

 7,920 to 10,560 from excellent soil, and 4,400 to 5,280 lbs. from poor land ; 

 and Sprengel, 10,560 lbs. under favourable conditions. As the maturing of 



Dodder, growing on Lucerne. 



seed, the best of which comes from Provence, exhausts the plants, it should 

 be saved only from old leys, which are shortly to be destroyed. Trefoil is 

 often, and Dodder sometimes, present in commercial seed, which ought to be 

 plump and yellow, and which should have 98 per cent, of purity and 90 per 

 cent, of germination, 24'9 lbs. being required per acre. Lucerne is specially 

 adapted for sowing pure with a cereal at about the end of April, as grasses 



