Leo Heikurainen

Ojitusalueiden taimistojen kehityksestä vuosina 1964-68 toimeenpannun suometsäkilpailun koealojen valossa.

Heikurainen L. (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

Abstract

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.

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Original keywords
metsitys; ojitusalueet; kasvu; lannoitus; ojitetut suot; taimikot

English keywords
afforestation; drained peatlands; Finland; growth; seedling stands; fertilizing

Published in 1982

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