INFLUENCE OF HUMUS STATUS OF SOD-PODZOLIC LOAMY SAND SOILS ON THE ACCUMULATION OF137Cs AND90Sr RADIONUCLIDES BY FORAGE CROPS
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Abstract
In the field experiments conducted on sod-podzolic loamy sand soil (Podzoluvisol) сlose negative correlations have been found between organic matter content and137Cs и90Sr accumulation by forage crops. The humus content at which the minimum accumulation of137Cs is noted for corn - 3,15 %, timothy grass - 3,24 %, clover - 2,92 %, alfalfa - 2,86 %; the minimum accumulation of90Sr for clover - 3,17 %, corn - 3,06 %, alfalfa - 3,62 %; timothy grass - 3,34 % and аrctic clover - 2,11 %. The most intensive decrease in radionuclides in plants with an increase in the content of humus in the soil is observed from 1 to 2,5 %
About the Author
Y. V. Putyatin
Институт почвоведения и агрохимии, г. Минск, Беларусь
Russian Federation
Russian Federation
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For citations:
Putyatin Y.V. INFLUENCE OF HUMUS STATUS OF SOD-PODZOLIC LOAMY SAND SOILS ON THE ACCUMULATION OF137Cs AND90Sr RADIONUCLIDES BY FORAGE CROPS. Soil Science and Agrochemistry. 2019;(1):203-211. (In Russ.)
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ISSN 0130-8475 (Print)