Reproduction. 



87 



IS 



25 30 



HEIGHT IN CENTIMETERS 



Fig. 13. Curves correlating height and weight in the plants recorded in tables 5 to 7 and 9 to 13, inclu- 

 sive. The approximate averages are indicated in the eurve of averages. 



13 2 



ui 

 o 



I ,4 



o 



I- 12 



r 



a 



5 



25 30 35 40 45 



HEIGHT IN CENTIMETERS 



55 



Fig. 14. Curves correlating height and weight of the plants in table 39. 



