[Evaluation of the biological availability of radiocesium and radiostrontium and its effect on radionuclides accumulation in yield depending on biological peculiarities of plants]
1996
Bondar', P.F. | Tereshchenko, N.P. | Shmatok, I.O.
Quantitative estimation of radiocesium and radiostrontium biological availability (of its total content in soil) in relation to biological availability of exchangeable forms of radionuclides non-isotope carrier in soil was given. It was shown that the variations of radiocesium accumulation in different crops yield in general are caused by different capacity of plants root system to extract radionuclides from soil absorbing complex, i.e. radiocesium biological availability in the same conditions for different crops varies and it is hundreds time lower than the biological availability of potassium exchangeable forms. Differences of radiostrontium accumulation in various crops yield are caused mainly by different accumulation of calcium in plants. Radiostrontium biological availability (of its total content in soil) is close to biological availability of calcium exchangeable forms
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