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Hannu Salminen, Martti Varmola

Influence of initial spacing and planting design on the development of young Scots pine (Pinus sylvestris L.) stands.

Salminen H., Varmola M. (1993). Influence of initial spacing and planting design on the development of young Scots pine (Pinus sylvestris L.) stands. Silva Fennica vol. 27 no. 1 article id 5495. https://doi.org/10.14214/sf.a15656

Abstract

Three Scots pine (Pinus sylvestris L.) plantations carrying 35 plots with initial spacings from 800 to 5,000 plants/ha were studied. Planting designs varied from a square to a rectangle with 5-metre row distance, the plant-to-plant distance being 0.8 metres. At current dominant height of 6 m, rectangularity had no effect on height, diameter, or volume growth of trees. Slight ovality of stems was observed in rectangular plots but the differences in the cross-wise mean diameters were very small, not over 1.1 mm in terms of plot-wise means. The diameter of the thickest living branch of a tree was linearly dependent of the dbh. The branches were clearly thicker between the planting rows at under 1,600 stems/ha stand density. A non-square planting pattern is a conceivable alternative when the line corridors suitable for mechanized silvicultural operations are preferred.
The PDF includes an abstract in Finnish.

Keywords
Scots pine; Pinus sylvestris; planting; spacing; yield; quality

Published in 1993

Available at https://doi.org/10.14214/sf.a15656 | Download PDF

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