| 书目名称 | Tree Harvesting Techniques | | 编辑 | K. A. G. Staaf,N. A. Wiksten | | 视频video | | | 丛书名称 | Forestry Sciences | | 图书封面 |  | | 描述 | The introduction of chain saws and tractors in the early 1950‘s marked the beginning of a change in tree harvesting techniques from the old manual methods to mechanized operations. It was followed by a rapid evolution both technically and systematically. Hence, the requirements for improved know ledge of operational efficiency also increased. Changing relations between Man, machines and environment brought about new experiences and awareness of a physiological and ergonomic nature. Improved knowledge of both machine technology and planning of work on a small or large scale has grown increa singly important for an efficient utilization of expensive machines and other equipment. The need for a textbook on tree harvesting techniques including expe riences made in recent years is enhanced. The book presented here is prima rily based on lectures given on the subject of Forest Techniques at the Faculty of Forestry at the Swedish University of Agricultural Sciences and after modifications also at the University of Nairobi (Kenya). Thus, the book is written primarily for students at the faculties and institutes of forestry. However, it is also useful for persons actively occupied in fo | | 出版日期 | Book 1984 | | 关键词 | environment; planning; transport | | 版次 | 1 | | doi | https://doi.org/10.1007/978-94-017-3592-6 | | isbn_softcover | 978-90-481-8282-4 | | isbn_ebook | 978-94-017-3592-6Series ISSN 0924-5480 Series E-ISSN 1875-1334 | | issn_series | 0924-5480 | | copyright | Springer Science+Business Media B.V. 1984 |
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发表于 2025-3-21 19:28:55
