Bibliographic Citation
| Document |  89 K |
|---|---|
| DOI | 10.2172/881917 |
| Title | Quantifying And Predicting Wood Quality Of Loblolly And Slash Pine Under Intensive Forest Management Final Technical Report |
| Creator/Author | Richard F. Daniels ; Alexander Clark III |
| Publication Date | 2006 May 04 |
| OSTI Identifier | OSTI ID: 881917 |
| Report Number(s) | DOE/FR/1 |
| DOE Contract Number | FC36-01GO10619 |
| Other Number(s) | TRN: US200716%%165 |
| Resource Type | Technical Report |
| Coverage | Final |
| Research Org | University of Georgia -- Athens, GA |
| Sponsoring Org | USDOE Office of Transportation Technologies - (EE-30); USDOE - Office of Energy Efficiency and Renewable Energy (EE) |
| Subject | 09 BIOMASS FUELS; 60 APPLIED LIFE SCIENCES; 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; FERTILIZATION; FORESTS; GENETICS; JUVENILES; MANAGEMENT; MANUFACTURING; NITROGEN; PHOSPHORUS; PINES; PRODUCTION; SAMPLING; STAND DENSITY; TREES; WEEDS; WOOD |
| Related Subject | specific gravity, wood density, microfibril angle, fertilization, silviculture, MOE, MOR |
| Description/Abstract | The forest industry will increasingly rely on fast-growing intensively managed southern pine plantations to furnish wood and fiber. Intensive silvicultural practices, including competition control, stand density control, fertilization, and genetic improvement are yielding tremendous gains in the quantity of wood production from commercial forest land. How these technologies affect wood properties was heretofore unknown, although there is concern about the suitability of fast-grown wood for traditional forest products. A four year study was undertaken to examine the effects of these intensive practices on the properties of loblolly and slash pine wood by applying a common sampling method over 10 existing field experiments. Early weed control gets young pines off to a rapid start, often with dramatically increased growth rates. This response is all in juvenile wood however, which is low in density and strength. Similar results are found with early Nitrogen fertilization at the time of planting. These treatments increase the proportion of juvenile wood in the tree. Later, mid-rotation fertilization with Nitrogen and Phosphorus can have long term (4-8 year) growth gains. Slight reductions in wood density are short-lived (1-2 years) and occur while the tree is producing dense, stiff mature wood. Impacts of mid-rotation fertilization on wood properties for manufacturing are estimated to be minimal. Genetic differences are evident in wood density and other properties. Single family plantings showed somewhat more uniform properties than bulk improved or unimproved seedlots. Selection of genetic sources with optimal wood properties may counter some of the negative impacts of intensive weed control and fertilization. This work will allow forest managers to better predict the effects of their practices on the quality of their final product. |
| Country of Publication | United States |
| Language | English |
| Format | Medium: ED; Size: 16 pages, 90kb |
| System Entry Date | 2008 Feb 05 |
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Last Updated: 11/19/2009