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INFLUENCE OF AGROCHEMICAL PROPERTIES OF SOD-PODZOLIC SANDY SOIL ON the accumulation137Cs BY GREEN MASS OF CORN

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Abstract

The сlose negative nonlinear correlations have been found between indexes of soil fertility and137Cs accumulation by corn in field experiments conducted on sod-podzolic sandy soils. The minimum bioavailability of137Cs for corn cultivated for green mass was observed at the organic matter content of 3.1 (2.8-3.5) %, mobile potassium - 436 (385-462) ppm, exchange magnesium - 244 (197-302) ppm and pH(KCl) - 6.3 (6.1-6.5). The effectiveness of soil saturation with organic matter, potassium and magnesium in137Cs discrimination is much higher on soils with low supply of these nutrients for plants.

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Putyatin Yu.V., Bogdevitch I.M., Sidoreiko N.V. INFLUENCE OF AGROCHEMICAL PROPERTIES OF SOD-PODZOLIC SANDY SOIL ON the accumulation137Cs BY GREEN MASS OF CORN. Soil Science and Agrochemistry. 2018;(2):102-112. (In Russ.)

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ISSN 0130-8475 (Print)