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Influence of regular loads of liquid cattle manure and pig manure effluents on the migration of mobile humic substances along the profile of sod-podzolic soils

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Abstract

The constant introduction of liquid animal waste for 26 years has increased the content of mobile humic substances throughout the profile of sod-podzolic soils under maintaining the main trends characteristic of soils without loads. Their greatest accumulation was observed in the Ap and A1 horizons with more intensive accumulation of CHAmob: the content of Cmob increased by 28-90 %, CHAmob - by 35-112 %, CFAmob - by 24-73 %; from a depth of about 40 cm, the increase in Cmob reached 29138 %, CHAmob - 8-88 %, CFAmob - 33-146 % with a greater accumulation of CFAmob.

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Bahatyrova E.N., Seraya T.M., Kasyanenko I.I., Belyavskaya Y.A., Kirdun T.M. Influence of regular loads of liquid cattle manure and pig manure effluents on the migration of mobile humic substances along the profile of sod-podzolic soils. Soil Science and Agrochemistry. 2020;(2):96-110. (In Russ.)

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ISSN 0130-8475 (Print)