Seed spacing 

 Oyjord seeder, 95 



"■^ • ^C- -I 1 1 — =1=" 



10 20 30 40 50 60 70 80 90 100+ 



Distance between seeds (mm) 



40 



30- 



<u 

 o 



S 20 



CL 



10 - 



Seed spacing 

 Oyjord seeder, 75-85 



20 30 40 50 

 Distance between seeds (mm) 



100 



Seed spacing 

 Summit Precision seeder, 95 



40 n 



30 - 



c 



0) 



o 



03 20 



Q. 



10- 



+ 



10 20 30 40 50 60 70 80 90 100+ 

 Distance between seeds (mm) 



Seed spacing 

 Summit Precision seeder, 75-85 



10 20 30 40 50 



Distance between seeds (mm) 



60 70 80 90 100 



Figure 7a — Englemann spruce seed spacing at the Coeur d'Alene Nursery using 

 the Oyjord Seeder and the Summit Precision Seeder. The histograms on the left 

 represent 95 percent germination seedlots (95), while the histograms on the right 

 represent 75 to 85 percent germination seedlots (75-85). 



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