Last edited by Makora
Saturday, July 18, 2020 | History

1 edition of Pulpwood yields from experimental thinnings in old-field stands of loblolly and shortleaf pines found in the catalog.

Pulpwood yields from experimental thinnings in old-field stands of loblolly and shortleaf pines

by Henry B. Bull

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  • 2 Currently reading

Published by USDA, Forest Service, Southern Forest Experiment Station in New Orleans, La .
Written in English

    Subjects:
  • Loblolly pine,
  • Shortleaf pine,
  • Yields,
  • Pulpwood

  • Edition Notes

    Statementby Henry Bull
    SeriesOccasional paper / Southern Forest Experiment Station -- no. 57, Occasional paper (Southern Forest Experiment Station (New Orleans, La.)) -- 57.
    ContributionsSouthern Forest Experiment Station (New Orleans, La.)
    The Physical Object
    Pagination9 pages ;
    ID Numbers
    Open LibraryOL26233661M
    OCLC/WorldCa310740763

    Effect of site and thinning intensity on growth and yield of shortleaf pine plantations in southern Illinois. Agr. Expt. Sta. Fores- try Note 7 pp. Borman, F. H. Factors determining the role of loblolly pine and sweetgum in early old-field succession in the Piedmont of North Carolina. Ecol. Monogr. Chapman, A. G. A key element of this book is the inclusion of growth and yield models for mixed-species stands. This is a notable departure from the more traditional focus on monocultural systems and opens the way to modelling the performance of species assemblages in .

    Scribd is the world's largest social reading and publishing site. The growth of loblolly, slash, shortleaf, and longleaf pines (Pinus taeda, P. elliottii, P. echinata, and P. palustris) has been shown to be differentially related to the amount and seasonal distribution of rainfall as well as to its retention in the soil (59).

    no category; canadian forest service service canadien des forÊts canadian wood fibre centre. No category; Wildland Fire in Ecosystems Effects of Fire on Flora.


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Pulpwood yields from experimental thinnings in old-field stands of loblolly and shortleaf pines by Henry B. Bull Download PDF EPUB FB2

Unthinned loblolly pine plantations in the west gulf region. The equations predict cubic- and board-foot volume, green-weight, and dry-weight yields per unit area of wood only or wood with bark of entire tree boles, boles to any top diameter limit, and branches.

Green and dry weight of foliage can also be by: harvest of an unthinned loblolly pine plantation using five growth and yield programs. Site index=80 feet (base age 25 yr). Four models are for cutover sites, but WinYield-old model is for an old-field site.

Figure 2. Stumpage value and mill value of loblolly pine pulpwood, chip-n-saw, and sawlogs. Typically, about. These old-field plantations were established inand in- tensive thinnings were conducted after the 1 lth and 29th growing seasons. Yields from these stands represent two intensive even-aged plantation systems--one with a single heavy thinning prescription at and the second with two heavy thinnings.

Even-Aged Natural StandsCited by: Loblolly pine The year rotation mean annual increments (MAIs) were set at 6, 8 or 10 for the year pulpwood rotation with no thinning.

The year rotation MAIs were (no thin) and tons/acre/year (one thin, Table 3). The year rotation MAI was tons/acre/year with two thinnings (at age and years, Table 4).

assumed to be $55/acre, a price often quoted for a single herbicide application in pine stands prior to canopy closure in Georgia in the last three years (). Thinning The thinning scenarios include one thinning at age years for the year rotation and two thinnings at and years-old for longleaf Size: KB.

The Crossett Experimental Forest was established in to provide landowners in the Upper West Gulf Coastal Plain with reliable, science-based advice on how to manage their loblolly (Pinus taeda) and shortleaf (Pinus echinata) pine-dominated forests.A key component of this program was the establishment of an unmanaged control, currently known as the Russell Cited by: 9.

When scaled to stand-level estimates, the NBE models resulted in estimates for average stand diameters of 5, 10, and 15 cm that ranged from + to % for natural stands and from + to. The loblolly pine scenarios assumed an annual growth increment of tons/acre/year (Table 4) with thinnings occurring at age 15 and 24 years.

Loblolly woodflow was approximately percent greater than slash pine and 26 percent greater than longleaf at years. The slash pine scenarios assumed an. Extensive plantings of loblolly pine have been es- tablished throughout the South. During the s and early s most plantings were on abandoned agricultural lands.

These old-field plantations have been thoroughly researched and a voluminous quan- tity of growth and yield information has been devel- oped from them (Burkhart et al. File Size: KB. Stem analysis data were used to examine volume, height-dbh, form and taper relationships for loblolly pine (Pinus taeda L.) trees grown in unthinned old-field.

Bennett, F. () “Yields and Stand Structural Patterns for Old-Field Plantations of Slash Pine.” U.S.D.A. Forest Service, Southwestern Forest Experiment Station, Research Paper SE Bennett, F. () “Variable-Density Yield Tables for Managed Stands of.

VOLUME AND CROWN CHARACTERISTICS OF JUVENILE LOBLOLLY PINE GROWN AT VARIOUS and diameter between a nominal and spacing ratio at age years in loblolly pine stands located in the This study was established in December on an old field site located in Randolph County, Georgia.

Soils are of. dominant and codominant loblolly and slash pine growing on old- field sites in the Post Oak Belt of Texas. Each function was trans- formed into an anamorphic site index equation.

The site index equations resulting from these functions will indicate the produc- tivity potential of old-field sites based on plantation age. [] Literature Cited. index for young loblolly and slash pine plantations on non-old-fields. in East Texas. THE DATA.

Initial plantation age and tree height values obtained during in- stallation of permanent plots in loblolly pine and 78 slash pine plantations on non-old-field sites.

in East Texas were analyzed in this. study. The plots were established. Full text of "Proceedings [of the] Symposium for the Management of Pines of the Interior South: Knoxville, Tenn., Nov. See other formats. Board-foot yields given for slash pine are generally lower than those for loblolly and shortleaf pines, but they exceed the yields for longleaf pine up to 60 years of age on the poorer sites.

On one of the better sites on the Olustee Experimental Forest near Lake City, Fla. a full stand of slash pine conta board feet (Scribner) per. Kotze () recommended that loblolly and slash pine in South Africa planted at a 7 ft x 7 ft spacing should be thinned to TPA at age 11 and TPA at age Harvest yields produced with this schedule were and 1, ft 3 /acre at and 16 with 5, ft 3 /acre net merchantable volume at 25 years.

means of expressing site productivity. For loblolly pine, a number of different site index equations have been developed •br stands planted on abandoned fields (Burkhart et al.

compare many of these equations). In recent years, however, the majority of loblolly pine plantations established in the South haveFile Size: 93KB.

yields at some desired rotation age, competing vegetation (woody and herbaceous) needs to be controlled. This requires the use of herbicides and/or mechanical control. In most cases fertilization is also required (with the exception on old-field sites with high residual fertility).

In some cases irrigation may also be warranted. Summary. Research Report No. 43 - A Computer Model of Schnur's Yield Chart For Estimating Potential Yields of Upland Oak Stands Box 5, Folder 5 Research Report No. 44 - Pollen Flight Patterns in a Loblolly Pine Seed Orchard.

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10 March ii Longleaf Pine: Seeing the Forest through the Trees Proceedings of the Sixth Longleaf Alliance Regional Conference November .An inventory of stands made once each cutting cycle is needed for uneven-aged management because this provides the data to regulate the forests.

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