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Articles containing the keyword 'open peatlands'

Category : Article

article id 4908, category Article
Juhani Päivänen. (1974). Sarkaleveyden ja naveroinnin vaikutus pohjavesipinnan syvyyteen ja männyntaimiston kehitykseen lyhytkortisella nevalla. Silva Fennica vol. 8 no. 4 article id 4908. https://doi.org/10.14214/sf.a14752
English title: The effect of ditch spacing and furrowing on depth of ground water table and on development of a Scots pine plantation on small-sedge bog.
Original keywords: mänty; ojitetut suot; avosuot; pituuskasvu; sarkaleveys; naverointi; kuivatussyvyys; kuivatusteho
English keywords: Pinus sylvestris; drained peatlands; Scots pine; height growth; seedlings; open peatlands; drainage effect; ground water table; ditch spacing; furrowing
Abstract | View details | Full text in PDF | Author Info

The paper describes the results obtained from an investigation into the effect of ditch spacing, ditch depth and furrowing on ground water table and on development of a Scots pine (Pinus sylvestris L.) plantation on open small-sedge bog in Central Finland (60° 50’ N; 24° 20’ E), drained in 1967. The area was planted in 1968 with 2+1 Scots pine transplants, and fertilized with Y fertilizer for peat soils. The seedlings were measured in 1972.

The depth of the ground water table was greater, the narrower the ditch spacing. The water furrows shortened the duration of the high ground water and lowered the ground water table particularly in the case of ineffective drainage. The narrower the ditch spacing within the blocks, the higher were the young trees. On the other hand, the differences in the height of the trees between the ditch spacings were eliminated by the effect of the furrows.

The PDF includes a summary in English.

  • Päivänen, E-mail: jp@mm.unknown (email)
article id 4764, category Article
Juhani Päivänen. (1968). Istutusajankohdan vaikutus männyn istutuksen onnistumiseen ojitetuilla avosoilla. Silva Fennica vol. 2 no. 2 article id 4764. https://doi.org/10.14214/sf.a14549
English title: The effect of the date of planting on the survival of Scots pine on drained open peatlands in Finland.
Original keywords: mänty; istutus; metsitys; ojitusalueet; turvekankaat; istutusaika; avosuot; syysistutus
English keywords: Pinus sylvestris; afforestation; drained peatlands; Scots pine; planting; time of planting; autumn planting; open peatlands
Abstract | View details | Full text in PDF | Author Info

Due to mechanization of draining of peatlands, also open peatlands have been included in the draining projects due to technical reasons. Some research has been published on afforestation of open drained peatlands, but there is yet no experiments that reaches the entire development of the stands. The purpose of this paper is to discuss the possibility of extending the planting season of Scots pine (Pinus sylvestris L.) over the entire growing season in drained peatlands, where the water condition of the site is probably not the factor limiting forest development. An open low-sedge swamps in Southern Finland were planted in early summer and two weeks in midsummer in 1967.

In the light of the results, planting Scots pine would seem possible in drained peatlands throughout the growing season. However, plants may suffer considerably from lifting for the plantation in August. The success of planting at the turn of September and October is also uncertain. The nursery must be situated close to the areas to be planted, since the transportation and handling of plants during the growing season must be carried out with extreme care. The seasonality of planting work could be decreased by extending the planting season. In the future, several transplant storing methods should be tried out in connection with similar planting-time experiments.

The PDF includes a summary in English.

  • Päivänen, E-mail: jp@mm.unknown (email)

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