Seed spacing 

 Oyjord seeder 



20 30 40 50 60 70 80 

 Distance between seeds (mm) 



60 



T 



90 



100+ 



Seedling spacing 

 Oyjord seeder 



40 



30- 



c 



0) 



o 



05 20 



CL 



10- 



° 10 20 30 40 50 60 70 80 90 100+ 

 Distance between seedlings (mm) 



40 -1 



30 



c 



0) 



o 



q5 20 



CL 



Seed spacing 

 Summit Precision seeder 



10 



I > ^^ ' ^ > ^^^^<^ < ^t^p^ufi pjq — ^ 1 f. 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seeds (mm) 



40 1 



Seedling spacing 

 Summit Precision seeder 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seedlings (mm) 



Figure 4b — Spacing distribution 

 histograms for red pine seeds and 

 seedlings from 95 percent germination 

 seedlots at the J. W. Toumey Nursery. 



40 n 



Seedling spacing 

 Hand thinned 



20 30 40 50 60 70 80 

 Distance between seedlings (mm) 



100+ 



16 



