Effects of seeder design and Effects of seeder design and seed placement on seedling size and cull rates at western forest nurseries effectsofseederd458sloa Year: 1992 0 10 20 30 40 50 60 70 80 90 100+ Distance between seeds (mm) 40 30 c O 0) 20 CL Seedling spacing Summit Precision seeder 10- 0 10 20 30 40 50 60 70 80 90 100+ Distance between seedlings (mm) Figure 1a—Spacing distribution histograms for Douglas-fir seeds and seedlings from 95 percent germination seedlots at the Coeur d'Alene Nursery. Seedling spacing Hand thinned

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