Artikkelit jotka sisältää sanan 'peat chemistry'
Viron soiden kemiallinen tutkimus.
English title: Chemical investigation of Estonian peat.
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Peat, alongside with oil shale, is one of the most important national energy resources of Estonia. Some 9836 peatlands cover 22.3 per cent of the Estonian territory. Peat resources exceed 2.37 billion tons. The chemical composition of Estonian peat was studied as early as in the 1920's. At the end of the 1930's some experiments on peat coking were carried out. Later on the chemical content of peat was studied by the Geological Survey of Estonia. An experimental plant for producing fodder yeast has been established, and attempts made to extract growth stimulators from peat. An experimental plant for the production of activated coal is under construction.
Key words: Estonia, peat chemistry, peat technology
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Veski,
Peat Info Ltd., Söpruse 233-48, EE0034 Tallinn, Estonia
Sähköposti:
ei.tietoa@nn.oo
- Mall, Sähköposti: ei.tietoa@nn.oo
Kuivatuslämpötilan vaikutus eri turvelajien uuttuviin pää- ja hivenravinteisiin sekä pH-lukuun.
English title: Effect of drying temperature on the extractable macro-and micronutrients and pH of different peat types.
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Saarinen, J. 1989: Effect of drying temperature on the extractable macro-and micronutrients and pH of different peat types. (Tiivistelmä: Kuivatuslämpötilan vaikutus eri turvelajien uuttuviin pää- ja hivenravinteisiin sekä pH-lukuun. — Suo 40:149-153. Helsinki. ISSN 0039-5471
Increasing the drying temperature from 20 to 105°C decreased extractable iron and lowered pH but increased the extractable phosphorus. Changes in the extractability of other nutrients were negligible. The effect of drying temperature on different peat types was similar.
Keywords: Extractable nutrients, peat chemistry, soil analysis
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Saarinen,
Agricultural Research Centre of Finland, Institute of Crop and Soil, Soil Science, SF-31600 Jokioinen, Finland
Sähköposti:
ei.tietoa@nn.oo
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