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Reading-Course for Farmers. 



growing plants for selection are in general use which may be termed i. 

 the Nursery method and 2, the Field method. 



The Nursery method, which so far as the writer is informed was first 

 used by Hallett about 1868, consists in cultivating each plant under the 



Fig. 5. — Variation in size of dandelion caused by growing at 



different altitudes; a, plant grown in valley at low altitude; 

 b, plant grown on mountain at high altitude {From Bonnier). 



most favorable conditions possible for its best development. By this 

 method with wheat, for instance, Hallett pursued the policy of planting 

 the individuals in squares a foot apart, which would give each plant 

 9,bundant opportunity for stooling, and also the investigator an oppor- 



