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Age And Thinning Effects On Wood Properties Of Red Spruce Picea Rubens Sarg
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Book Synopsis Age and Thinning Effects on Wood Properties of Red Spruce (Picea Rubens Sarg.) by : Michael P. Wolcott
Download or read book Age and Thinning Effects on Wood Properties of Red Spruce (Picea Rubens Sarg.) written by Michael P. Wolcott and published by . This book was released on 1987 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ten overstory red spruce were selected from a thinned stand and 10 from an unthinned stand. Average age of sample trees was approximately 80 years. Specific gravity reached a maximum at age 53 in the thinned stand and age 72 in the unthinned stand, after which it remained relatively constant. Stiffness reached a maximum at ages 35 and 50, and bending strength at ages 41 and 54; both remained relatively constant with further increases in age. Stiffness showed the largest relative difference between juvenile and mature wood, 22%, and specific gravity the smallest difference, 8%. Thinning did not adversely affect any of the properties, even though the width of some growth rings was increased by three to four times. These results suggest that (1) growth of mature red spruce stands can be increased by thinning without affecting wood physical properties, and (2) intensive management practices designed to shorten the rotation age may lead to stands that have not begun to produce mature wood before they are harvested. These short-rotation stands will contain a higher percentage of juvenile wood than stands presently being harvested, which means that pulp yields will decrease and the material will be less suitable for structural lumber.
Download or read book Technical Bulletin written by and published by . This book was released on 1987 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Canadian Journal of Forest Research by :
Download or read book Canadian Journal of Forest Research written by and published by . This book was released on 2014 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Bibliography of the Cooperative Forestry Research Unit, 1976-1995 by : William D. Ostrofsky
Download or read book A Bibliography of the Cooperative Forestry Research Unit, 1976-1995 written by William D. Ostrofsky and published by . This book was released on 1995 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Some Chemical Properties of Red Spruce (Picea Rubens Sarg.) on Three Soils in North-central Maine by : Robert K. Shepard
Download or read book Some Chemical Properties of Red Spruce (Picea Rubens Sarg.) on Three Soils in North-central Maine written by Robert K. Shepard and published by . This book was released on 1982 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Applications of B.t.i. for Larval Black Fly Control by : Akira Osawa
Download or read book Experimental Applications of B.t.i. for Larval Black Fly Control written by Akira Osawa and published by . This book was released on 1986 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Miscellaneous Report written by and published by . This book was released on 1982 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :University of Maine at Orono. Forest Resources Research Advisory Committee Publisher : ISBN 13 : Total Pages :484 pages Book Rating :4.:/5 (319 download)
Book Synopsis Annual Report by : University of Maine at Orono. Forest Resources Research Advisory Committee
Download or read book Annual Report written by University of Maine at Orono. Forest Resources Research Advisory Committee and published by . This book was released on 1982 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Report by : Maine Agricultural Experiment Station
Download or read book Annual Report written by Maine Agricultural Experiment Station and published by . This book was released on 1984 with total page 444 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 1980 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research for Maine and Its People by :
Download or read book Research for Maine and Its People written by and published by . This book was released on 1988 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book CFRU Progress Report written by and published by . This book was released on 1977 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Forestry Bibliography 1981-84: Indexes by :
Download or read book Forestry Bibliography 1981-84: Indexes written by and published by . This book was released on 1985 with total page 920 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1983 with total page 2330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Abstract Bulletin of the Institute of Paper Chemistry by :
Download or read book Abstract Bulletin of the Institute of Paper Chemistry written by and published by . This book was released on 1980 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Harmonisation of Regulatory Oversight in Biotechnology Safety Assessment of Transgenic Organisms, Volume 3 OECD Consensus Documents by : OECD
Download or read book Harmonisation of Regulatory Oversight in Biotechnology Safety Assessment of Transgenic Organisms, Volume 3 OECD Consensus Documents written by OECD and published by OECD Publishing. This book was released on 2010-11-09 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: These OECD Biosafety Consensus Documents identify elements of scientific information used in the environmental safety and risk assessment of transgenic organisms which are common to OECD member countries and some non members associated with the work.
Download or read book CFRU Technical Note written by and published by . This book was released on 1978 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
