Suo - Mires and peat vol. 36 no. 4-5 | 1985
Suomalaisen Sphagnum-turpeen hajotus- ja hapetustuotteiden kvantitatiivinen kaasukromatografinen analyysi.
English title: Quantitative gas chromatographic analysis of degradation and oxidation products from a Finnish Sphagnum peat.
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A sample of Finnish Sphagnum peat and its humic fractions (humin, humic acid and fulvic acid) were oxidized by alkaline CuO and KMnO4 methods and degraded by NaOH hydrolysis and KOH fusion. The oxidation and degradation products were analyzed quantitatively by high resolution gas chromatography.
The results revealed that (1) "lignin" constituents of the peat and peat humic fractions are predominantly p-hydroxyl units which are not typical lignin units; (2) the degree of humification of the peat is low; and (3) a close relation is present among m-hydroxybenzoic acid, p-hydroxybenzoic acid and p-hydroxyacetophenone as the degradation products of peat and peat humic fractions.
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Lehto,
Sähköposti:
ei.tietoa@nn.oo
- Tuhkanen, Sähköposti: ei.tietoa@nn.oo
- Ishiwatari, Sähköposti: ei.tietoa@nn.oo
- Uzaki, Sähköposti: ei.tietoa@nn.oo
Turpeen käytön soveltuvuus jätehuollossa.
English title: Some applications of the use of peat in waste handling: a review.
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The water retention capacity, porosity and cation exchange properties of peat have been effectively utilized, for example, in modern greenhouse horticulture. However, these properties make peat also a suitable material for handling problem environmental wastes. It is also easily available and relatively cheap. Treated or untreated peat can be used in several waste handling applications, including litter for cattle, horse, chicken, fox or mink, as a treatment system for the water purification plants or the fish farms, together with the wastes from the composting process. The porous structure and the absorption capability can also be utilized to absorb oil contaminated waters.
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Selin,
Sähköposti:
ei.tietoa@nn.oo
- Nyrönen, Sähköposti: ei.tietoa@nn.oo
Männynversosyöpätuhot Laaviosuon jat-kolannoituskoealueella.
English title: Damage caused by Pine die-back (Ascocalyx abietina) on refertilization trial plots on Laaviosuo, Lammi, southern Finland.
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Damage caused by the pathogenic fungus Ascocalyx abietina (Lagerb.) Schläpfer was more common and severe on the trial plots which had been refertilized with NPK or NPK + trace elements than on control or those plots which had been refertilized with wood ash or only some of the macro-nutrients. The incidence of damage was also positively correlated with the density and the mean height growth. It was hypothesized that delayed hardening of shoots in the autumn and frost damage combined with the increased growth and possible micronutrient deficiencies could explain these differences.
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Vasander,
Sähköposti:
ei.tietoa@nn.oo
- Lindholm, Sähköposti: ei.tietoa@nn.oo
Soiden metsätaloudellista luokittelua Albertassa.
English title: Classifying peat-lands for forest drainage and growth in Alberta.
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The interest in peatland forestry in Alberta, Canada, was indicated by two scholarships for Finnish foresters, to conduct a pilot study on peatland classification for forestry purposes. The aim was to combine vegetation, water and peat chemistry and tree growth data into a "site type" classification. The study areas were predominantly nutrient-rich fens; however, some differences in the potential for forest growth after drainage were found.
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Härkönen,
Sähköposti:
ei.tietoa@nn.oo
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