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Ratio of plant to soil concentrations of strontium-85 and its relation to properties of Greek soils

Published online by Cambridge University Press:  27 March 2009

E. P. Papanicolaou ,
C. G. Apostolakis ,
V. Skarlou ,
C. Nobeli  and
P. Kritidis
E. P. Papanicolaou
Affiliation:
Institute of Biology
C. G. Apostolakis
Affiliation:
Institute of Biology
V. Skarlou
Affiliation:
Institute of Biology
C. Nobeli
Affiliation:
Institute of Biology
P. Kritidis
Affiliation:
Institute of Nuclear Technology, National Centre for Scientific Research ‘Demokritos’ 153 10 Aghia Paraskevi, Attica, Greece
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Summary

Plant:soil ratios (CRs) of 85Sr concentration were studied in wheat, lucerne, lettuce, radish, string bean (Phaseolus vulgaris), and cucumber grown in pots in eight Greek soil types in a glasshouse pot experiment in 1989.

The CRs of the crops and of the plant parts studied differed according to soil type. They ranged from 0·034–1·39 for wheat grains to 7·6–36·5 for cucumber stems and leaves. The CRs of the edible parts were much lower than those of the other plant material.

The correlation between CRs and clay content was negative and, in most cases, significant (P = 0·05–0·01) or highly significant (P < 0·01). The negative correlation improved (higher absolute value of r, lower variability) if clay plus silt content or cation exchange capacity was used instead of clay content.

The correlation between CRs and soil properties was greatest for soil pH (r = –0·89) and decreased in the order: pH > total clay plus silt ≃ cation exchange capacity > total clay.

Type
Crops and Soils
Information
The Journal of Agricultural Science , Volume 116 , Issue 2 , April 1991 , pp. 275 - 279
Copyright
Copyright © Cambridge University Press 1991

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References

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