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Substrate freezing and thawing as a factor in the mineral nutrient status of mire ecosystems

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Abstract

The effect of freezing and thawing on the release of sodium, potassium, calcium, magnesium, iron, and aluminium directly into the sample water and into a dilute acid extractant was investigated using peat samples collected from three different mire sites. In most cases exchangeable sodium, potassium, calcium, magnesium, and iron content of the treated samples was greater than in the untreated controls. Changes in aluminium content are more probably related to drying and re-wetting of the samples than to freezing and thawing. The role of freezing and thawing in the nutrient status of mires is discussed.

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References

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Authors and Affiliations

  1. Plant Environment Laboratory, University of Reading, Shinfield Grange, Shinfield, Reading, Berkshire

    R. J. Summerfield

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  1. R. J. Summerfield
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  2. J. O. Rieley
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Department of Botany, University of Nottingham

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Summerfield, R.J., Rieley, J.O. Substrate freezing and thawing as a factor in the mineral nutrient status of mire ecosystems. Plant Soil 38, 557–566 (1973). https://doi.org/10.1007/BF00010695

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  • DOI: https://doi.org/10.1007/BF00010695

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