G. E. Briggs, F. Kidd, and C. West 



117 



240 



200 



160 



.S 120 



80 



40 



Of— 



2 4 6 8 10 12 



Week from sowing 



Badischer Friih" maize 1877 — Growth curve 



Fig. 6. 



240 



200 



160 



.5 120 



80 



40 



20 2 4 6 8 10 12 



Week from sowing 



Badischer Friih " maize 1878 Growth carve 



Fig. 7. 



a 



180 » 



<L> 



& 



150 S 



o 



cr 

 02 



120 ^ 



.2 



to 

 '3 



90'| 



O 



60 * 



5 



30 J 



_o 



o 1 



14 16 18 



Leaf-area ratio curve 



80 '«> 



50 a 



20 



90 



60 



30 r 



« 



14 



16 



Leaf-area ratio curve 



