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L. E. T. Borg (email)

Hankikylvöt Tuomarniemen hoitoalueessa vv. 1913-1930

Borg L. E. T. (1936). Hankikylvöt Tuomarniemen hoitoalueessa vv. 1913-1930. Silva Fennica no. 38 article id 4479. https://doi.org/10.14214/sf.a9065

English title: Areas broadcast sown on snow in Tuomarniemi district in Finland in 1913-1930

Abstract

Broadcast sowing on snow was relatively new method in the beginning of the 20th century in Finland, and the experiences of regeneration were diverse. The aim of the survey was to study the success rate of regeneration in the oldest and largest areas regenerated with this sowing method in Tuomarniemi district. Scots pine (Pinus sylvestris L.) was the most common tree species, but also Norway spruce (Picea abies (L.) H. Karst.) and European larch (Larix decidua Mill.) were used in broadcast sowing on snow.

According to the study, the success of broadcast sowing on snow was as good as patch sowing and sowing in furrows in the sites typical for Tuomarniemi. The regeneration areas were often drained peatlands or paludified lands. When sowing is done using Norway spruce seeds, site preparation either by broadcast burning or scalping with hoe is recommended. Mixed sowing with pine and spruce seldom succeeded due to the differences in site requirements of the species and growth of seedlings. Sowing of Scots pine succeeded well on the drained peatlands. Sowing should be done some years after draining to let the peat dry and sink. Site preparation is needed in sites growing Polytrichum-moss. Broadcast burned areas larger than 10 hectares seemed to regenerate poorer than sites in average, possibly due to dryness of the sites. Trials with European larch were successful, and the growth of the seedlings acceptable despite the sites being relatively poor for the species.

The PDF includes a summary in German.

Original keywords
kuusi; Picea abies; kylvö; euroopanlehtikuusi; kylvömenetelmät; hankikylvö; Larix decidua; mänty; metsänviljely; Pinus sylvestris

English keywords
Norway spruce; sowing; broadcast sowing on snow; Socts pine; artificial regeneration

Published in 1936

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Available at https://doi.org/10.14214/sf.a9065 | Download PDF

Creative Commons License CC BY-SA 4.0

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