Sowing at 1.5-cm (0.6-inch) Depth Produces Heaviest Douglas-Fir Roots in Small Containers
Sowing seeds of Douglas-fir (Pseudotsuga menziesii(Mirb.) Franco) at five depths in Leach Super Cells® indicated that the only benefit of deep sowing in small containers occurred at a depth of 1.5 cm (0.6 inch). Planting at this depth produced heavier roots without a significance reduction in seedling emergence. Tree Planters' Notes 44(3):122-124; 1993.
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Author(s): Don Minore, Howard G. Weatherly, Patrick G. Cunningham
Publication: Tree Planters' Notes - Volumes 44, Number 3 (1993)
Section: Peer Reviewed and Refereed Articles
Volume: 44
Number: 3
