Bibliography of Agriculture
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Published: 1983
Total Pages: 2330
ISBN-13:
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Author:
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Published: 1983
Total Pages: 2330
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Published: 1991
Total Pages: 734
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Published: 1990
Total Pages: 768
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Published: 1973
Total Pages: 798
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Published: 1979
Total Pages: 1262
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DOWNLOAD EBOOKAuthor: United States. Forest Service
Publisher: Forest Service
Published: 2008
Total Pages: 1240
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DOWNLOAD EBOOKAuthor: A. Stokes
Publisher: Springer Science & Business Media
Published: 2013-04-17
Total Pages: 411
ISBN-13: 9401734690
DOWNLOAD EBOOKThis publication comprises the proceedings of the first International Conference devoted to the structural roots of trees and woody plants. 'The Supporting Roots - Structure and Function,' 20-24 July 1998, Bordeaux, France. The meeting was held under the auspices ofIUFRO WPS 2. 01. 13 'Root Physiology and Symbiosis,' and its aim was to bring together scientific researchers, foresters and arboriculturalists, to discuss current problems in structural root research and disseminate knowledge to an audience from a wide disciplinary background. For the first time in an international conference, emphasis was placed on presenting recent reseach in the field of tree anchorage mechanics and root biomechanics. The way in which tree stability can be affected by root system symmetry and architecture was addressed, as well as how movement during wind sway can influence the development and shape of woody roots. The role of different nursery and planting techniques was discussed, in relation to effects on root system form and development. Root response to different environmental stresses, including water, temperature, nutrient and mechanical stress was addressed in detail. The structure and function of woody roots was also considered at different levels, from coarse to fine roots, with several papers discussing the interaction between roots and the rhizosphere. One of the conference highlights was the presentation of new methods in root research, by a series of workshops held at LRBB-INRA, Pierroton, on the northern border of the Gascony forest.
Author: William M. Ciesla
Publisher: Fao
Published: 1998
Total Pages: 144
ISBN-13:
DOWNLOAD EBOOKThe objective of this paper is to provide a global review of the non-wood uses of conifers. For the purposes of this paper, conifers are defined as trees and shrubs of the botanical orders Coniferales, Taxales and Ginkgoales (Rushforth 1987). Although some services are briefly mentioned, the focus of this paper is on products which conifers provide species, which are important sources of non-wood forest products, and places where these products are harvested. With the exception of essential oils, which can be obtained from several parts of the tree, the products described are organized by the part of the tree from which they are obtained (e.g. foliage, bark and roots, resin, seeds and cones). Where possible, data on levels of production and international trade are presented. Problems associated with the sustainable management of these products and compatibility or conflicts with other land uses are also presented. Both contemporary and historical or traditional uses of non-wood products from conifers are discussed.
Author: James H. Speer
Publisher: University of Arizona Press
Published: 2010
Total Pages: 360
ISBN-13: 0816526850
DOWNLOAD EBOOKThis comprehensive text addresses all of the subjects that a reader who is new to the field will need to know and will be a welcome reference for practitioners at all levels. It includes a history of the discipline, biological and ecological background, principles of the field, basic scientific information on the structure and growth of trees, the complete range of dendrochronology methods, and a full description of each of the relevant subdisciplines.