40 n 



30- 



c 



O 



05 20 



CL 



10 



Seed spacing 

 Oyjord seeder 



^^^^>^^s^p^^ .. — r ^ 1 ^ 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seeds (mm) 



Seedling spacing 

 Oyjord seeder 



40 



30 



c 



O 



0) 20 



Q. 



10 



0+- 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seedlings (mm) 



40 



30 



c 



O 



03 20 



CL 



10 



0-1- 



Seed spacing 

 Summit Precision seeder 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seeds (mm) 



40 1 



30- 



c 



0) 



o 



05 20 



Q. 



Seedling spacing 

 Summit Precision seeder 



10 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seedlings (mm) 



Figure 1b — Spacing distribution histograms 

 for Engelmann spruce seeds and seedlings 

 from 95 percent germination seedlots at the 

 Coeur d'Alene Nursery. 



40 



30 



c 



0) 



u 



0) 20 



Q. 



10 



Seedling spacing 

 Hand thinned 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seedlings (mm) 



9 



