[PDF.33hz] Tree Harvesting Techniques (Forestry Sciences)

Tree Harvesting Techniques (Forestry Sciences)

[PDF.cs54] Tree Harvesting Techniques (Forestry Sciences)

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 | #8629461 in Books |  2009-12-28 | Original language:English | PDF # 1 |  9.75 x.84 x6.75l,1.15 | File type: PDF | 359 pages

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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 e...

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