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Acta Forestalia Fennica vol. 17 no. 2 | 1920

Category: Article

article id 7050, category Article
Lauri Ilvessalo. (1920). Ulkomaalaisten puulajien viljelymahdollisuudet Suomen oloja silmälläpitäen. Acta Forestalia Fennica vol. 17 no. 2 article id 7050. https://doi.org/10.14214/aff.7050
English title: Prospects of cultivating exotic tree species in Finland.

The article includes a dendrological review on the effect of climate to the success of cultivation of exotic tree species, based on literature and analysis of the existing Finnish field tests. The cultivation of an exotic tree species succeeds only if the seed has been procured from an area, which climate is similar to the place of cultivation. Climate is even more important than site quality.

Finnish climate is boreal and continental, and thus tree species of similar climate suit here best. In favorable site conditions it is possible to grow also species from boreal marine, and temperate climates. Finnish summers are not warm enough for species from temperate continental climate to get prepared for the winter, and the shoots can get frost damages. This may be compensated with a warm and sheltered site. If the species tolerates shading, it can be planted under sheltering trees. For species from maritime boreal climate, the Finnish summer tends to be too short, and the winters too cold. A suitable site is rich, warm and sheltered, and has preferably a protective sparse tree cover. Species from southern maritime climate cannot be grown in Finland. The provenance of the seeds is also very important. An important source of seeds are the successful plantations in Finland.

The PDF includes a summary in German.

  • Ilvessalo, ORCID ID:E-mail:

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