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  • Title: Assessment of radiological efficiency of countermeasures on peat-bog soils of Ukrainian Polissya.
    Author: Maloshtan I, Polishchuk S, Kashparov V, Yoschenko V.
    Journal: J Environ Radioact; 2017 Sep; 175-176():52-59. PubMed ID: 28432865.
    Abstract:
    In the field conditions, the long-term (2013-2015) small-plots experiment was carried out for evaluation of radiological efficiency of application of ameliorants as the countermeasures for reduction of the 137Cs uptake to herbage at the Peat-boggy (Histosols) soils of Ukrainian Polissya. At the late stage after the Chernobyl accident, the average radiological efficiencies of application of sand (175-200 ton ha-1) and ferrocyn (0.2 ton ha-1) as the ameliorants were rather low ranging from 0.8 to 1.6. Application of 4 ton ha-1 of chalk and 5 ton ha-1 of peat ash decreased 1.7-1.9 times the 137Cs activity concentrations in plans. The highest radiological efficiencies, 4.4 ± 2.0 and 7 ± 2, were reached at applications of chalk-ferrocyn ameliorant (4 + 0.2 ton ha-1) and ferrocyn-bentonite absorbent HZH-90 (30 ton ha-1), respectively.
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