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Should planting of broadleaved species be encouraged at the expence of Norway spruce? : av economic approach to a current southern swedish forestry issue

Per Holgén, Göran Bostedt
Bok Engelsk 2003

Seedling performance, shelter tree increment and recreation values in boreal shelterwood stands

Per Holgén
Bok Engelsk 1999

How do adjustments in the forest landscape resulting from environmental demands affect the costs and revenues to forestry?

by Per Holgén and Torgny Lind
Bok Engelsk 1994

Loss of inorganic nutrients by whole tree utilization for firewood in Ethiopia : a minor field study

Per Holgén, Magnus Svensson
Bok Engelsk 1990

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