Download or read book Wisconsin Wood Density Survey written by Robert R. Maeglin and published by . This book was released on 1973 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book U S D A Forest Service Research Paper FPL written by and published by . This book was released on 1968 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Properties of Major Southern Pines written by Harold E. Wahlgren and published by . This book was released on 1972 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wood Variation written by Bruce J. Zobel and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wood is the usual end product of a forestry operation. Because of its importance, numerous studies have been made relative to wood prop erties, the causes of wood variation, and how best to develop wood for desired products. There is voluminous literature related to these subjects, but it is neither well known nor appreciated by foresters because the publications are often not available or are not well understood by the forester or by those who use the wood. Frequently, the literature is confusing and contradictory, making it difficult for the nonspecialist to use what information is available. In order to produce and use wood efficiently, the variation pat terns within trees, among trees within species, and among species must be understood. This also requires some knowledge of the causes of variation and the effects of different wood properties upon utiliza tion. The information about variation patterns, their causes, and con trol and effect upon the product must be known by the tree grower, the tree breeder, and the tree harvester as well as by those who ultimately convert wood into a final, salable product.
Download or read book Important Structural Properties of Four Western Softwoods written by B. A. Bendtsen and published by . This book was released on 1972 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Estimating Tree Specific Gravity Major Pulpwood Species of Wisconsin written by Dimitri Pronin and published by . This book was released on 1971 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Relationship of specific gravity of increment core and merchantable bole is expressed as a regression equation, that is, in turn, used to convert data of cores to estimate specific gravity of bole. (Author).
Download or read book General Technical Report FPL written by and published by . This book was released on 1979 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on with total page 1386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Paper NC written by and published by . This book was released on 1981 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book U S D A Forest Service Research Paper NC written by and published by . This book was released on 1968 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1972 with total page 1194 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
Download or read book Information Report written by and published by . This book was released on 1985 with total page 884 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wood Science written by and published by . This book was released on 1978 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Relationship of Tensile Strength of Southern Pine Dimension Lumber to Inherent Characteristics written by C. C. Gerhards and published by . This book was released on 1972 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wood Density of Canadian Tree Species written by J. S. Gonzalez and published by Edmonton, Alta. : Forestry Canada, Northwest Region, Northern Forestry Centre. This book was released on 1990 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Total-stem and breast-height wood density data from published and unpublished sources are presented for Canadian tree species grown in and outside of Canada. Calculations for mean density and coefficient of variation were made when necessary. Variations, geographic sources, and characteristics of sample trees are included to assist the reader in making comparisons with the density values presented. Sampling locations, methods of sampling, and density calculations are described. To assist the reader in converting wood density values from green-volume to ovendry-volume basis, the conversion formula and a table of percent volumetric shrinkage are also presented.
Download or read book Juvenile Wood in Forest Trees written by Bruce J. Zobel and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: The trend in forestry is toward shorter rotations and more complete utiliza tion of trees. The reasons are: (1) financial pressures to obtain rapid returns on the forestry investment made possible by an earlier harvest; (2) enforced harvest of young plantations to maintain a continuing supply of cellulose for mills where wood shortages are experienced; (3) thinning young plantations, both because they were planted too densely initially and because thinning is done where long rotation quality trees are the forestry goal; (4) more intensive utilization is being done using tops and small diameter trees; and (5) there is interest in using young (juvenile) wood for special products because of its unique characteristics and the development of new technologies. The largest present-day source of conifer juvenile wood is from thinnings of plantations where millions of hectares of pine were planted too densely. Because of the better growth rate resulting from improved silviculture and good genetic stock, plantations will need to be thinned heavily. As a result of this trend, young wood makes up an increasingly larger proportion of the total conifer wood supply each year. Large amounts of juvenile wood from hard woods are also currently available, especially in the tropics and subtropics, because of the fast growth rate of the species used, which results in shorter rotations and ess~ntially all juvenile wood.
Download or read book Julkaisuja written by Metsäntutkimuslaitos and published by . This book was released on 1980 with total page 1138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
