40 n 



Seed spacing 

 Oyjord seeder, 95 



-H 



10 20 30 40 50 



60 



70 80 90 100+ 



Distance between seeds (mm) 



40 n 



30- 



c 

 o 



20 



10 



+- 







Seed spacing 

 Oyjord seeder, 75-85 



T — 



60 



— I — 

 70 



10 20 30 40 50 



Distance between seeds (mm] 



80 90 100+ 



Seed spacing 

 Summit Precision seeder, 95 



'I 1 " - < ^^-T- 1 ^ , r 



10 20 30 40 50 60 70 80 90 100+ 



Distance between seeds (mm) 



Seed spacing 

 Summit Precision seeder, 75-85 



<^ tyq 



10 20 30 40 50 60 



Distance between seeds (mm 



70 80 90 100+ 



Figure 6a — Englemann spruce seed spacing at the Lucky Peak 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). 



19 



