Treatability of Underutilized Northeastern Species with CCA and Alternative Wood Preservatives PDF Download
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Author: Stan T. Lebow
Publisher:
ISBN:
Category : Balsam fir
Languages : en
Pages : 8
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Book Description
Author: Stan T. Lebow
Publisher:
ISBN:
Category : Balsam fir
Languages : en
Pages : 8
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Book Description
Author: S. T. Lebow
Publisher:
ISBN:
Category :
Languages : en
Pages : 5
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Author: Stan T. Lebow
Publisher:
ISBN:
Category : Preserved wood
Languages : en
Pages : 5
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Author:
Publisher:
ISBN:
Category : Traffic signs and signals
Languages : en
Pages : 88
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Author:
Publisher:
ISBN:
Category : Forest products
Languages : en
Pages : 26
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Book Description
The value of some northeastern tree species could be increased if they could be adequately treated with preservatives and shown to be durable in outdoor exposures. This paper reports on research to evaluate the ground-contact durability of northeastern species treated with copper-based preservatives. Stakes (19 by 19 by 457 mm) cut from balsam fir, eastern hemlock, eastern spruce, white pine, or red maple were treated with one of four concentrations of chromated copper arsenate, copper citrate, alkaline copper quat, or copper azole and placed into the ground at a test site in southern Mississippi. Similarly treated Southern Pine stakes were included for comparison. For 5 years, the stakes were rated annually for decay and termite attack. Untreated stakes of all wood species failed rapidly, indicating that none of the species evaluated have significant natural durability. Occasional failures have occurred in treated stakes, typically at the lower preservative retentions. Treated Southern Pine and eastern hemlock stakes have experienced the fewest failures, with treated white pine stakes performing nearly as well. Treated eastern spruce and red maple stakes had the most failures, and treated balsam fir stakes also had substantial failures. The failures in eastern spruce and balsam fir stakes appear to be attributable to poor preservative penetration and retention within individual stakes. Failures in the red maple stakes may be attributable to the differences in hardwood anatomy and the distribution of preservative within the wood structure. Of the northeastern species evaluated, eastern hemlock and white pine appear to perform most similarly to Southern Pine when treated with the copper-based preservatives. However, further exposure time is needed to allow more definitive conclusions.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 80
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Author: Lee R. Gjovik
Publisher:
ISBN:
Category : Conifers
Languages : en
Pages : 24
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Author: Victor S. Kennedy
Publisher: University of Maryland Sea Grant Publications
ISBN:
Category : Nature
Languages : en
Pages : 760
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Book Description
In 1966 Congress passed the National Sea Grant College Program Act to promote marine research, education, and extension services in institutions along the nation's ocean and Great Lakes coasts. In Maryland a Sea Grant Program -- a partnership among federal and state governments, universities, and industries -- began in 1977, and in 1982 the University of Maryland was named the nation's seventeenth Sea Grant College. The Maryland Sea Grant College focuses its efforts on the Chesapeake Bay, with emphasis on the marine concerns of fisheries, seafood technology, and environmental quality. The first comprehensive review of the biology of the eastern oyster in more than thirty years. The twenty-one chapters synthesize every aspect of oyster biology -- for instance, general anatomy, physiology, the circulatory system, reproduction, genetics, diseases -- and issues related to management and aquaculture.
Author: Lakshmi C. Mishra
Publisher: CRC Press
ISBN: 9780849313660
Category : Medical
Languages : en
Pages : 502
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Book Description
Arguably the oldest form of health care, Ayurveda is often referred to as the "Mother of All Healing." Although there has been considerable scientific research done in this area during the last 50 years, the results of that research have not been adequately disseminated. Meeting the need for an authoritative, evidence-based reference, Scientific Basis for Ayurvedic Therapies is the first book to analyze and synthesize current research supporting Ayurvedic medicine. This book reviews the latest scientific information, evaluates the research data, and presents it in an easy to use format. The editor has carefully selected topics based on the availability of scientific studies and the prevalence of a disease. With contributions from experts in their respective fields, topics include Ayurvedic disease management, panchkarma, Ayurvedic bhasmas, the current status of Ayurveda in India, clinical research design, and evaluation of typical clinical trials of certain diseases, to name just a few. While there are many books devoted to Ayurveda, very few have any in-depth basis in scientific studies. This book provides a critical evaluation of literature, clinical trials, and biochemical and pharmacological studies on major Ayurvedic therapies that demonstrates how they are supported by scientific data. Providing a natural bridge from Ayurveda to Western medicine, Scientific Basis for Ayurvedic Therapies facilitates the integration of these therapies by health care providers.
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 925131411X
Category : Technology & Engineering
Languages : en
Pages : 325
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Book Description
This illustrated volume identifies the challenges and opportunities facing food and agriculture in the context of the 2030 Agenda, presents solutions for a more sustainable world and shows how FAO has been working in recent years to support its Member Nations in achieving the Sustainable Development Goals.
