40 n 



30 



c 



0) 



o 



0) 20 

 a. 



10 



Seed spacing 

 Oyjord seeder 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seeds (mm) 



40 n 



30 



c 

 o 



® 20 

 Q. 



10 - 



Seedling spacing 

 Oyjord seeder 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seedlings (mm) 



40 



30 



c 

 o 



05 20 



10 



-I- 



Seed spacing 

 Summit Precision seeder 



I I I I I 

 10 20 30 40 50 60 70 80 90 100+ 



Distance between seeds (mm) 



40-1 



30 



c 

 o 



03 20 



10- 



Seedling spacing 

 Summit Precision seeder 



I 1 I — -|— ..|— -- 1 -- -■ 1 ■■ "|- 



10 20 30 40 50 60 70 80 90 100+ 



Distance between seedlings (mm) 



Figure 5 — Spacing distribution histograms 

 for noble fir seeds and seedlings from 95 

 percent germination seedlots at the Wind 

 River Nursery. 



40 



30- 



c 



0> 



o 



q5 20 

 a. 



Seedling spacing 

 Hand thinned 



T ii i- ^ -.^ ^^ I ^ i r ^ i ^ ^ T ii r T ii r | -. i r ^ir ^ ^ i ^ - . ^ 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seedlings (mm) 



18 



