116 



Quantitative Analysis of Plant Growth 



2 4 6 8 10 12 

 Week from sowing 

 'Badischer Friih" maize 1875 Growth curve 



Fig. 4. 



14 



^180 ft 

 (S, 



CO 



150 S . 

 o< 



m 



H120 % 



'3 



:> 



90 t 



o 



H 60 2 

 * 



CD 



30 -g 



« 



16 18 

 Leaf-area ratio curve 



«, 240 h 



'S 



I 20 ° 



i 160 



CD 



s 



CD 

 S-. 



.a 120 



cd 



&D 



§ 80 



1 40 



CD 







"~ 20 2 4 6 8 10 



Week from sowing 

 "Badischer Frith" maize 1876 Growth curve 



Fig. 5. 



12 



180 a 



CD 



a 



150 i 



CD 



o 1 



120 



'53 



90 t 



>> 



>d 



o 



60 a 



CD 

 S 



30 3 



d 



o| 



14 16 

 Leaf-area ratio curve 



