Seed spacing 

 Oyjord seeder 



40-1 



30 



c 



0) 



o 



20 



10 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seeds (mm) 



Seedling spacing 

 Oyjord seeder 



10 20 30 40 50 60 70 80 90 100 

 Distance between seedlings (mm) 



40 



30 



O 



q5 20 

 Q. 



10- 



Seed spacing 

 Summit Precision seeder 



-\—r r— r r— r 



10 20 30 40 50 



60 



— I 1 1 1- 



70 80 90 100+ 



Distance between seeds (mm) 



Seedling spacing 

 Summit Precision seeder 



-- , •- -- 1 -- -- 1 " — I" "I-. -.| — p 



10 20 30 40 50 60 70 80 90 100 



Distance between seedlings (mm) 



Figure 2a — Spacing distribution 

 histograms for Engelmann spruce 

 seeds and seedlings from 95 percent 

 germination seedlots at the Lucky 

 Peak Nursery. 



Seedling spacing 

 Hand thinned 



10 20 30 40 50 60 70 80 90 100 

 Distance between seedlings (mm) 



11 



