Research on cutting and forest improvement: the last 65 years
2002
Pikk, J. | Seemen, H. (Estonian Agricultural Univ., Tartu (Estonia). Forest Research Inst.)
More purposeful and productive research on cutting and forest improvement was started in Estonia in the post-World-War-II period. The work was carried out by the forest research institution. The focus was laid on investigating the influence on the forest ecosystem of gradual, gap and thinning. One of the major branches of research at the institution became forest improvement, where the emphasis was put on the investigation of the efficiency and ecological effects of forest drainage as well as the development of technologies for the reclamation of hard-forest areas, such as cut-off peatlands, burned areas and gravel, phosphorite and oil shale quarries. Instructions were drawn up for tending forest trenches, fertilizing nurseries and stands and composting sawdust, tree bark and wastewater sediments. Research was performed on negative side effects of forest improvement. These fundamental studies have provided a functional basis for tackling practical issues
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