Early Development of Three Douglas-Fir Stocktypes on a Droughty Skeletal Soil
Authors: Hobbs, Stephen D.; Crawford, Michael S.; Yelczyn, Beverly A.
Source: Western Journal of Applied Forestry, Volume 4, Number 1, 1 January 1989 , pp. 21-24(4)
Publisher: Society of American Foresters
Abstract:Three stocktypes of Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) were planted in a droughty, skeletal soil in southwest Oregon. After 5 years, container-grown plugs and plug-1 transplants survived significantly better than 2-0 bareroots. Seedling root systems were largely confined to the surface soil, with relatively little development upslope or deeper than 15 cm. Stocktype morphology differed significantly at planting. However, annual absolute growth, annual relative growth, and shoot and root characteristics did not differ significantly after 5 years. These results suggest that, on similar sites, seedling morphological characteristics within the range of those measured in this study may not affect growth and that stocktype designation along may not be adequate for predicting field performance. West. J. Appl. For. 4(1):21-24, January 1989.
Document Type: Journal Article
Affiliations: Department of Forest Science, College of Forestry, Oregon State University, Corvallis, OR 97331
Publication date: 1989-01-01
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