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Книга ISBN13 9783848406708 - Birch wood quality of different genetic origin (Arbin K. C.,Per Magnus Eko and Ulf Johansson) в магазинах, библиотеках и электронных библиотеках с он-лайн чтением

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Название: Birch wood quality of different genetic origin
The main objective of the research was to find out how the wood quality differed among Silver birch provenances. The study was conducted in family, provenance and tree species experiments in SW Sweden. External features like stem straightness, spike knots, double leader, diameter, tree height, leaning and other defects were measured and analyzed. Significant differences were found between birch families and provenances for a number of measured parameters. In the family experiment, significant differences between families were found for the parameters straight trees and diameter while no significant differences were found for others measured parameters like spike knots, forking, leaning and tree height. The local provenance “Tonnersjoheden” had the best overall quality and growth in the provenance experiment while Kulbacksliden provenance (North Sweden) had a low overall quality. In the tree species experiment, Asarum was suggested a good quality provenance with an overall high quality...
Авторы: Arbin K. C.,Per Magnus Eko and Ulf Johansson
Издательство: LAP Lambert Academic Publishing
Год: 2012
Местонахождение: OZON.ru
ISBN: 9783848406708


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10 января 2015 года: Запуск базы ISBN10 и ISBN13

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