Figure 8. — Average seedling 

 taproot lengths^ with 

 statistical comparisons 

 of treatments. 



o 



C/1 



o 

 o 



D. 



< 



Figure 9. — Average number 

 of lateral roots per 

 seedling, with statistical 

 comparison of treatments. 



40 



20 



40 



30 



CO 



I— 



O 



S 20 



I 



< 



10 



OC ON OL N 



TREATMENT 



Ihll 



! ! ! ! i 



11 



F OC ON OL L N 



TREATMENT 



18 



