Suo - Mires and peat vol. 35 no. 1 | 1984
Metsäojitusalueiden hoito ja tulevaisuus.
English title: The maintenance and future of forest drainage areas.
Tiivistelmä |
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Tekijä
This paper is intended as a reply to the controversial paper by Mr. Eronen presented in this issue of Suo (p. 9), which deals with peatland forest drainage. Mr. Eronen, as a non-forester, has based his paper on a mistaken impression of peatland forestry and it contains errors and misunderstandings. For instance, the new peatland classification he proposes is merely a list of treatments which may or may not be necessary to maintain productivity of drained peatlands, depending upon the particular site. In my paper I point out this and other shortcomings of Mr. Eronen's paper.
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Heikurainen,
Sähköposti:
ei.tietoa@nn.oo
Suonojitus ja puunsaanti.
English title: Peatland drainage and wood production.
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Tekijä
Current Finnish peatland classification serves as a normative guideline for directing drainage of peatlands capable of wood growth. Drainage operations have, however, been extended to all types of peatlands, irrespective of their wood growing potential. A new peatland classification is proposed, which
— covers all types of drained peatlands, including the unsuccesful ones
— emphasizes factors relevant for commercial wood production on drained peatlands
This classification stresses the economic aspects of silvicultural and logging operations on drained peatlands.
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Eronen,
Sähköposti:
ei.tietoa@nn.oo
Radioaaltoanturi turpeen maatuneisuuden mittarina.
English title: Measuring the degree of decomposition in peats by means of a radiowave probe.
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A radiowave probe, which fairly precisily measures the moisture content of peat in situ, enables a rough estimation of the degree of decomposition in certain kinds of peat. It was found that the Acutifolia peats belong to these. This group of Sphagnum (moss) peat is the most commonly used garden (horticultural) peat type in many countries.
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Tolonen,
Sähköposti:
ei.tietoa@nn.oo
- Toikka, Sähköposti: ei.tietoa@nn.oo
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