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Silva Fennica 1926-1997
Acta Forestalia Fennica

Acta Forestalia Fennica vol. 40 no. 19 | 1934

Category : Article

article id 7296, category Article
T. Rancken. (1934). Erfarenheter om asken som skogsträd i Finland. Acta Forestalia Fennica vol. 40 no. 19 article id 7296.
English title: Experiences of cultivation of ash as a forest tree in Finland.
Keywords: forest management; Finland; Fraxinus exelsior; ash; quality timber
Abstract | View details | Full text in PDF | Author Info

Cultivation of ash (Fraxinus exelsior L.), even though it is a native species in Finland, has been hindered by the belief that it cannot produce quality timber in Finland. However, it can be concluded that the quality of ash timber is as good as that of timber imported to the country, if the trees are grown in a fertile site, the crown density is high, and the stand is tended properly. In these conditions, ash wood may have 3 mm ring width or more. Measurements made in ash stands in Turku region and in Åland show that at the best sites ash trees reach a height of 20–22 m in 70–80 years. According to the field tests made by the author, it can be concluded that ash can be successfully grown in Southern Finland in Åland, Turku region, in the coastal areas of Uusimaa and in Karelian isthmus. The species requires a fertile, moist upland forest site. The early growth is best secured by planting the seedlings under a well thinned broadleaved stand, which is then thinned every fifth year. Open lands growing grass should be avoided.

The PDF includes a Finnish and German summary.

  • Rancken, E-mail: tr@mm.unknown (email)

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