搜索结果: 1-2 共查到“森林采运学 forest management”相关记录2条 . 查询时间(0.093 秒)
SOME TRENDS OF STATE FOREST MANAGEMENT AND THE ECONOMIC POWER OF CONCESSION HOLDERS
state forest trends of management financial indicators wages Slovenia
2009/11/26
Selling prices of wood from Slovene state forests are decreasing at the same rate as on the European market. Exploitation costs per cubic meter of wood are decreasing and investments are not stable. C...
Effects of Forest Management Using Pruning and Thinning on Wood Quality and Strength Properties of Sugi Planted in Shimane Prefecture II.Relationship between forest management, and visual grading and bending properties of boxed-heart square timbers
planted sugi trees forest management visual grading bending properties
2009/11/23
The aim of this study was to clarify the effects of forest management such as pruning and thinning on the visual grading and bending properties of boxed-heart square timbers of sugi (Cryptomeria japon...