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MIGRATION OF MOBILE FORMS OF HEAVY METALS ALONG THE PROFILE OF SOD-PODZOLIC SOILS UNDER THE INFLUENCE OF REGULAR LOADS OF LIQUID ANIMAL WASTE

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Abstract

With loads of liquid animal waste for 26 years, the content of mobile forms Zn, Cu and Mn increased throughout the profile of sod-podzolic soils under the biogenic-accumulative nature of the distribution, while maintaining the main trends established for soils without loads. In sandy soil (liquid manure of cattle 100-200 t/ha) the increase in the content of mobile forms of Cu in genetic horizons was 10-27 %, Zn - 12-49 %, Mn - 6-40 %; in sandy loam (pig manure effluents 500-600 t/ha) - 30-100 % Cu, 40-219 % Zn, 25-85 % Mn; in loamy (liquid manure of cattle 900-1000 t/ha) - 50-200 % Cu, 79-414 % Zn, 35-162 % Mn. By migration intensity heavy metals are arranged in a row: Zn > Cu > Mn.

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Bogatyrova E.N., Seraya T.M., Belyavskaya Y.A., Kirdun T.M., Torchilo M.M. MIGRATION OF MOBILE FORMS OF HEAVY METALS ALONG THE PROFILE OF SOD-PODZOLIC SOILS UNDER THE INFLUENCE OF REGULAR LOADS OF LIQUID ANIMAL WASTE. Soil Science and Agrochemistry. 2019;(1):179-195. (In Russ.)

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ISSN 0130-8475 (Print)