Growth of nitrogen-fixing Alnus incana and Lupinus spp. for restoration of degenerated forest soil in northern Sweden
In the interior of northern Sweden, more than 100.000 ha of previously productive forest land have degenerated soils. The presently thin humus layer and the resulting lack of mineralizable nitrogen and organic material results from strongly reduced litter production on the now almost tree-less areas...
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ftslunivuppsala:oai:pub.epsilon.slu.se:4516 2023-05-15T17:44:30+02:00 Growth of nitrogen-fixing Alnus incana and Lupinus spp. for restoration of degenerated forest soil in northern Sweden Huss-Danell, Kerstin Lundmark, Jan-Erik 1988 application/pdf https://pub.epsilon.slu.se/4516/ https://pub.epsilon.slu.se/4516/1/SFS181.pdf swe eng swe eng https://pub.epsilon.slu.se/4516/1/SFS181.pdf Huss-Danell, Kerstin and Lundmark, Jan-Erik (1988). Growth of nitrogen-fixing Alnus incana and Lupinus spp. for restoration of degenerated forest soil in northern Sweden. Uppsala: UNSPECIFIED, Sveriges lantbruksuniversitet. Studia forestalia Suecica 181 [Report] Soil biology Forestry Report NonPeerReviewed info:eu-repo/semantics/report 1988 ftslunivuppsala 2022-01-09T19:11:31Z In the interior of northern Sweden, more than 100.000 ha of previously productive forest land have degenerated soils. The presently thin humus layer and the resulting lack of mineralizable nitrogen and organic material results from strongly reduced litter production on the now almost tree-less areas. Intense forest fires in the past. as well as unfavourable forestry practices, are likely to have caused this situation. Cultivation of nitrogen-fixing plants, the native grey alder, Alnus incana ( L.) Moench. and introduced lupins. especially Lupinus nootkatensis Donn, was tried in the present study as a means of soil restoration. After 7 to 9 years. mesic sites with a temperature sum of 9800 daydegrees during the growing season gave higher survival and better growth of A. incana than did drier or cooler sites. At the northernmost, coolest site, L. nootkatensis performed very well while A. incana did not. Liming and, to some extent. soil scarification improved establishment of L. nootkatensis. Various amounts of alder leaves were repeatedly deposited every year to the soil in small experimental plots and the effects on soil properties were evaluated after 6 years. Nearly 1000 kg dry mass leaf litter per hectare was considered to be a realistic yearly production from dense A. incana stands. Such amounts gave a thicker humus layer with a comparably higher pH, a higher degree of base saturation. and a higher content of N,,,, and mineralizable N. Aspects of the biology and the handling of A, incana and L. nootkatensis are discussed. to serve as a guide in a choice between the two species for soil restoration purposes. Report Northern Sweden Swedish University of Agricultural Sciences (SLU): Epsilon Open Archive |
institution |
Open Polar |
collection |
Swedish University of Agricultural Sciences (SLU): Epsilon Open Archive |
op_collection_id |
ftslunivuppsala |
language |
Swedish English |
topic |
Soil biology Forestry |
spellingShingle |
Soil biology Forestry Huss-Danell, Kerstin Lundmark, Jan-Erik Growth of nitrogen-fixing Alnus incana and Lupinus spp. for restoration of degenerated forest soil in northern Sweden |
topic_facet |
Soil biology Forestry |
description |
In the interior of northern Sweden, more than 100.000 ha of previously productive forest land have degenerated soils. The presently thin humus layer and the resulting lack of mineralizable nitrogen and organic material results from strongly reduced litter production on the now almost tree-less areas. Intense forest fires in the past. as well as unfavourable forestry practices, are likely to have caused this situation. Cultivation of nitrogen-fixing plants, the native grey alder, Alnus incana ( L.) Moench. and introduced lupins. especially Lupinus nootkatensis Donn, was tried in the present study as a means of soil restoration. After 7 to 9 years. mesic sites with a temperature sum of 9800 daydegrees during the growing season gave higher survival and better growth of A. incana than did drier or cooler sites. At the northernmost, coolest site, L. nootkatensis performed very well while A. incana did not. Liming and, to some extent. soil scarification improved establishment of L. nootkatensis. Various amounts of alder leaves were repeatedly deposited every year to the soil in small experimental plots and the effects on soil properties were evaluated after 6 years. Nearly 1000 kg dry mass leaf litter per hectare was considered to be a realistic yearly production from dense A. incana stands. Such amounts gave a thicker humus layer with a comparably higher pH, a higher degree of base saturation. and a higher content of N,,,, and mineralizable N. Aspects of the biology and the handling of A, incana and L. nootkatensis are discussed. to serve as a guide in a choice between the two species for soil restoration purposes. |
format |
Report |
author |
Huss-Danell, Kerstin Lundmark, Jan-Erik |
author_facet |
Huss-Danell, Kerstin Lundmark, Jan-Erik |
author_sort |
Huss-Danell, Kerstin |
title |
Growth of nitrogen-fixing Alnus incana and Lupinus spp. for restoration of degenerated forest soil in northern Sweden |
title_short |
Growth of nitrogen-fixing Alnus incana and Lupinus spp. for restoration of degenerated forest soil in northern Sweden |
title_full |
Growth of nitrogen-fixing Alnus incana and Lupinus spp. for restoration of degenerated forest soil in northern Sweden |
title_fullStr |
Growth of nitrogen-fixing Alnus incana and Lupinus spp. for restoration of degenerated forest soil in northern Sweden |
title_full_unstemmed |
Growth of nitrogen-fixing Alnus incana and Lupinus spp. for restoration of degenerated forest soil in northern Sweden |
title_sort |
growth of nitrogen-fixing alnus incana and lupinus spp. for restoration of degenerated forest soil in northern sweden |
publishDate |
1988 |
url |
https://pub.epsilon.slu.se/4516/ https://pub.epsilon.slu.se/4516/1/SFS181.pdf |
genre |
Northern Sweden |
genre_facet |
Northern Sweden |
op_relation |
https://pub.epsilon.slu.se/4516/1/SFS181.pdf Huss-Danell, Kerstin and Lundmark, Jan-Erik (1988). Growth of nitrogen-fixing Alnus incana and Lupinus spp. for restoration of degenerated forest soil in northern Sweden. Uppsala: UNSPECIFIED, Sveriges lantbruksuniversitet. Studia forestalia Suecica 181 [Report] |
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1766146726310182912 |