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Author : Bruce Zobel
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (887 download)
Download or read book Core Or Juvenile Wood of Loblolly and Slash Pine Trees written by Bruce Zobel and published by . This book was released on 1959 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (319 download)
Download or read book Formation and Properties of Juvenile Wood in Southern Pines written by and published by . This book was released on 2001 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: To satisfy the increasing demand for forest products, much of the future timber supply will be from improved trees grown on managed plantations. This fast-grown resource will tend to be harvested in short age rotations and will contain higher proportions of juvenile wood than that of current harvests. In anticipation of this resource, definitive information is needed on the influence of juvenile wood on lumber properties so that grading rules and the associated allowable design stresses can be modified as needed. This document reports the results of an extensive review of the literature on juvenile wood in southern pines. This report defines and discusses the extent, occurrence, and characteristics of juvenile wood. It reviews the effects that environment and silviculture have on the amount of juvenile wood produced. Finally, the impacts that juvenile wood has on mechanical properties were quantified. The results of this quantification are significant to all producers of fast-grown plantations. Research has clearly shown that juvenile wood will have a detrimental impact on allowable design stresses for visually graded lumber. It is critical that methods are developed to more carefully manage fast-grown plantation wood for its most efficient use. This review should serve as an overall collection of knowledge pertaining to juvenile wood research in southern pines and should help in the decision-making efforts to improve seedling selection techniques and silvicultural practices to maximize the potential for fast-grown plantations of southern pines.
Author : Bruce J. Zobel
Publisher : Springer Science & Business Media
ISBN 13 : 3642721265
Total Pages : 311 pages
Book Rating : 4.6/5 (427 download)
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.
Author : Bruce J. Zobel
Publisher : Springer
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.F/5 ( download)
Download or read book Juvenile Wood in Forest Trees written by Bruce J. Zobel and published by Springer. This book was released on 1998-09-08 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Until recently, the quality of juvenile wood and its resulting effect on the final product were ignored or not well known. Because of the increased amount of juvenile wood, this knowledge has become essential. The forest industry needs to know the yields, qualities, and product characteristics of juvenile wood if major problems concerning product acceptability are to be avoided. This book documents the properties of juvenile wood with its effects on pulping and solid wood products and explores methods to reduce or change the characteristics of juvenile wood. There is an in-depth discussion of the potential use of juvenile wood, with examples from ongoing operations as well as from current research.
Author :
Publisher :
ISBN 13 :
Total Pages : 520 pages
Book Rating : 4.:/5 (319 download)
Download or read book Agriculture Handbook written by and published by . This book was released on 1997 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Set includes revised editions of some issues.
Author : Peter Koch
Publisher :
ISBN 13 :
Total Pages : 746 pages
Book Rating : 4.:/5 (31 download)
Download or read book Utilization of the Southern Pines written by Peter Koch and published by . This book was released on 1972 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William Paul Munk
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (29 download)
Download or read book Juvenile Wood in California written by William Paul Munk and published by . This book was released on 1973 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Peter Koch
Publisher :
ISBN 13 :
Total Pages : 752 pages
Book Rating : 4.3/5 ( download)
Download or read book Utilization of the Southern Pines: The raw material written by Peter Koch and published by . This book was released on 1972 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 452 pages
Book Rating : 4.:/5 (89 download)
Download or read book Proceedings of the Third TAPPI Forest Biology Conference Held November 1-2, 1965 at the U.S. Forest Products Laboratory, Madison, Wisconsin written by and published by . This book was released on 1965 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Forest Products Laboratory (U.S.)
Publisher :
ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.3/5 (243 download)
Download or read book U.S. Forest Service Research Paper FPL. written by Forest Products Laboratory (U.S.) and published by . This book was released on 1966 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 578 pages
Book Rating : 4.3/5 (91 download)
Download or read book U.S. Forest Service Research Paper FPL. written by and published by . This book was released on 1965 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert A. Megraw
Publisher : Tappi
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (45 download)
Download or read book Wood Quality Factors in Loblolly Pine written by Robert A. Megraw and published by Tappi. This book was released on 1985 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Keith William Dorman
Publisher :
ISBN 13 :
Total Pages : 424 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Genetics and Breeding of Southern Pines written by Keith William Dorman and published by . This book was released on 1976 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive compilation of genetic and breeding information from more than 1,000 sources on the 10 southern pine species. Major topics include species descriptions, factors of flowering and seed production, methods of vegetative propagation, traits of interspecific hybrids, and geographic, racial, stand, and tree-to-tree variation. Practical and detailed information is provided on various techniques and problems associated with creative breeding and seed production.
Author : Institute of Paper Chemistry (Appleton, Wis.). Library
Publisher :
ISBN 13 :
Total Pages : 1098 pages
Book Rating : 4.:/5 (43 download)
Download or read book Bulletin. Library Notes written by Institute of Paper Chemistry (Appleton, Wis.). Library and published by . This book was released on 1959 with total page 1098 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 378 pages
Book Rating : 4.3/5 (91 download)
Download or read book General Technical Report SE written by and published by . This book was released on 1991 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1080 pages
Book Rating : 4.3/5 (126 download)
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1959 with total page 1080 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 632 pages
Book Rating : 4.:/5 (31 download)
Download or read book General Technical Report Southern Research Station written by and published by . This book was released on 1995 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
