Ядерна фізика та енергетика Nuclear Physics and Atomic Energy   ISSN: 1818-331X (Print), 2074-0565 (Online)   Publisher: Institute for Nuclear Research of the National Academy of Sciences of Ukraine   Languages: Ukrainian, English, Russian   Periodicity: 4 times per year   Open access peer reviewed journal

Full text (ua)

Abstract: During the period of 3 years (2013 - 2015) in terms of finely-making spot field experiments coefficients of accumulation of ¹³⁷Cs (control 6,1 ± 0,8) after a single application of agrochemical countermeasures on peat-bog soils in Rokytne district, Rivne region, characterized by abnormally high bioavailability of cesium radioisotopes were obtained. In the late phase of the elimination of the Chernobyl accident, radiological averaged efficiency sandsing (175 - 200 t/ha), introduction of ferrocyn (0,2 t/ha) did not differ significantly from unity and amounted to 0,8 - 1,6 times. Liming (chalk 4 t/ha) and the introduction of peat ash (5 t/ha) reduced the ¹³⁷Cs content in vegetation in 1,7 - 1,9 times. Highest radiological efficiency was achieved after applying mixture of chalk-ferrocin (4 + 0,2 t/ha) - 4,4 ± 2,0 times and ferrocin-bentonite sorbent (30 t/ha) - 7,0 ± 2,0 times.

Keywords: ¹³⁷Cs, countermeasures, radiological effectiveness, peat-bog soils, Chernobyl accident.

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