F, Ktdd and C. West 



137 



(ii) seed-bed experiments, using equal numbers of plants and also 

 equal weights of seed, the results from which were compared; 



(iii) field experiments for comparing yields from heavy and light 

 seed respectively, using equal numbers of plants per given area. 



Fig. 2. Curves showing development of Extra Early Alaska Peas from heavy and light 

 seed respectively. The upper curves represent plants from heavy seed and the lower 

 curves plants from light seed. The stars indicate when the pods were ready for tiie 

 table. (After Hicks and Dabney.) 



From each line of investigation similar results followed. For equal 

 numbers of plants per given area the heavier seeds gave rise to plants of 

 greater productivity than that of the plants produced from the lighter 

 seeds. He also found that the superiority of the heavier seed became 

 more marked the larger the ground space ("Standraum") allowed for 

 each plant. The superiority of the plants from the heavier seeds 



