Published date: Feb 21 2018

Journal Title: KnE Engineering

Issue title: XIII International Youth Scientific and Practical Conference "FUTURE OF ATOMIC ENERGY - AtomFuture 2017"

Pages: 137-142

DOI: 10.18502/keg.v3i3.1613

Lavrentyeva G.V.

Zaharova V.R.

Mirzeabasov O.A.

Synzynys B.I.

One of the most promising methods of soil diagnostics is the determination of the parameters of enzymatic activity. Changes in urease, invertase, dehydrogenase and catalase activity of soil subjected to radioactive contamination with radionuclide Sr-90 have been studied. When the specific activity of Sr-90 in the soil varies in the range from the control value to more than 1.5 kBq / kg, the stability of invertase, urease and dehydrogenase is established. At the same time, the catalase activity of the soil is a sensitive indicator to radioactive contamination, which is described by a reliable model with a threshold value, after which the oppression of the indicator is observed.

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