Current issue: 57(3)

Under compilation: 58(1)

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Silva Fennica 1926-1997
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Acta Forestalia Fennica
1953-1968
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Articles containing the keyword 'ojitusalueet'

Category : Article

article id 5163, category Article
Leo Heikurainen. (1982). Ojitusalueiden taimistojen kehityksestä vuosina 1964-68 toimeenpannun suometsäkilpailun koealojen valossa. Silva Fennica vol. 16 no. 3 article id 5163. https://doi.org/10.14214/sf.a15078
English title: Development of seedling stands on drained peatlands in Southern Finland.
Original keywords: metsitys; ojitusalueet; kasvu; lannoitus; ojitetut suot; taimikot
English keywords: afforestation; drained peatlands; Finland; growth; seedling stands; fertilizing
Abstract | View details | Full text in PDF | Author Info

The aim of the paper was to describe the development of Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies (L.) H. Karst.) seedling stands on drained peatlands and to find out the principal factors influencing their growth. The material under survey consists of 180 sample plots distributed from southern coast of Finland to the Polar Circle.

The most important growth factors have been the accumulated temperature sum, site quality, drainage intensity and silvicultural condition, such as the density of the stand, the proportion of birch in the stand, and the amount of possible shelterwoods. The influence of these factors, and to some extent the influence of fertilizing, and the disturbing effects of some forest damages, such as frost, growth disturbances and elk damages were investigated. Comparisons of the development in the seedling stands on drained peatlands with the known development of seedling stands in mineral soils were made.

The PDF includes a summary in English.

  • Heikurainen, E-mail: lh@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)
article id 4536, category Article
V. K. Ahola. (1938). Metsän uudistumisen tarkkailusta kovilla metsämailla ja ojitetuilla soilla sekä ojien tarkkailusta. Silva Fennica no. 46 article id 4536. https://doi.org/10.14214/sf.a13945
English title: Inspection of regeneration of forests in mineral soil forests and drained peatlands and checking of ditches.
Original keywords: valtionmetsät; ojitus; metsäopetus; metsänviljely; metsänhoitajien jatkokurssit; luontainen uudistaminen; suot; hoitoalueet; taimettuminen; taimikko; ojitusalueet
English keywords: natural regeneration; drained peatlands; peatlands; seedling stands; forest education; state forests; artificial regeneration; professional development courses; districts
Abstract | View details | Full text in PDF | Author Info

Silva Fennica issue 46 includes presentations held in professional development courses, arranged for foresters working in public administration in 1937. The presentations focus on practical issues in forest management and administration, especially in regional level. The education was arranged by Forest Service. 

This presentation describes inspection of forest regeneration of mineral soil forest types and drained peatlands, and inspection of ditches. 

  • Ahola, E-mail: va@mm.unknown (email)

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