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H. Smolander, J. Kostamo, P. K. Räsänen

Maan tiiviyden vaikutus männyntaimien haihduntaan ja pituuskasvuun istutuksen jälkeen.

Smolander H., Kostamo J., Räsänen P.K. (1981). Maan tiiviyden vaikutus männyntaimien haihduntaan ja pituuskasvuun istutuksen jälkeen. Silva Fennica vol. 15 no. 3 article id 5122. https://doi.org/10.14214/sf.a15063

English title: Effect of soil compaction on transpiration and height increment of planted Scots pine seedlings.

Abstract

The effect of soil compaction on transpiration and height increment of Scots pine (Pinus sylvestris L.) seedlings following planting out were investigated in a small-scale pot experiment. Compacted and loosely-packed fine sand and fine-sand moraine were used as the planting substrates. The compacted soils used corresponded to the normal type of soil to be found in tilled forest soils in Finland. The effect of soil compaction on seedling transpiration during water stress was also studied in a separate experiment.

Seedlings planted in compact soil had a higher rate of transpiration than those in loosely-packed soil. The recovery in transpiration, which started halfway through the growing season, was faster, however, in the seedlings planted in loosely-packed soil. Under conditions of water stress, the seedlings planted in compact fine-sand moraine started to reduce the transpiration rate at higher soil moisture values than those planted in loosely-packed soil. No corresponding difference was observed for fine sand. Compaction was not found to affect the overall height growth, but it did at certain time during the growing season.

The PDF includes a summary in English.

Original keywords
mänty; maan rakenne; metsämaa; tiivistyminen; istutus

English keywords
Scots pine; Pinus sylvestris; forest soil; compactment; planting

Published in 1981

Available at https://doi.org/10.14214/sf.a15063 | Download PDF

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