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A Sr-90 survey in the netherlands presenting a relation between the contamination of soil and grass

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Summary

A study is given of Sr-90 data of soil and grass of 8 fields in the Netherlands having different contents of exchangeable Ca. These values are compared with the deposition values of Sr-90 found by direct measurement. There is a fairly good agreement. The following equation was worked out in order to calculate the Sr-90/Ca ratio in grass,y, (pc Sr-90/g Ca):

$$y = 0.66Q . x^{ - 1 \cdot 21} + 1.24 v$$

in whichQ is the number of mc Sr-90 per km2,x the exchangeable Cacontent in the soil (106 kg/km2) andv the amount of Sr-90 (mc/km2) deposited in the preceding month. The mean contamination level is fairly well represented by this equation, although there are exceptions. The equation enables to predict a future contamination fairly well. The data would suggest that vertical transport of Sr-90 in Ca-rich soils is more rapid than in Ca-deficient soils.

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References

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Authors and Affiliations

  1. Association Euratom — Institute for Atomic Sciences in Agriculture, Wageningen

    P. Poelstra & M. J. Frissel

  2. Laboratory for Soils and Fertilizers, State Agricultural University, Wageningen, Netherlands

    A. C. Schuffelen

Authors
  1. P. Poelstra
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  2. M. J. Frissel
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  3. A. C. Schuffelen
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Poelstra, P., Frissel, M.J. & Schuffelen, A.C. A Sr-90 survey in the netherlands presenting a relation between the contamination of soil and grass. Plant Soil 23, 171–180 (1965). https://doi.org/10.1007/BF01358343

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  • DOI: https://doi.org/10.1007/BF01358343

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