40 n 



30 



O 



05 20 



10 



Seed spacing 

 Oyjord seeder 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seeds (mm) 



40 H 



30- 



c 



o 



q3 20 



CL 



10 - 



Seedling spacing 

 Oyjord seeder 



,^i;sjijjqi;>^i:><jp-Q«YiP=q, ^ ^ 



H ^ ' r 



10 20 30 40 50 60 70 80 90 100+ 



Distance between seedlings (mm) 



40-1 



30- 



c 

 o 



05 20 



0. 



10- 



Seed spacing 

 Summit Precision seeder 



Q I > ^^^^^^^^Fri ^ ^ ^ r , , 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seeds (mm) 



40-1 



30- 



c 

 a> 

 u 



05 20 



Q. 



10 - 



Seedling spacing 

 Summit Precision seeder 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seedlings (mm) 



Figure 4c — Spacing distribution 

 histograms for white spruce seeds and 

 seedlings from 95 percent germination 

 seedlots at the J. W. Toumey Nursery. 



40 1 



Seedling spacing 

 Hand thinned 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seedlings (mm) 



17 



