SORPTIVE PROPERTIES OF UPPER-SILTED ORGANIC SOILS IN VARIOUS LANDSCAPES OF NORTH-EASTERN POLAND

摘要

This study was based in the morainic zone and zone of ice-dammed lake origin of a young-glacial landscape as well as in riverine and delta landscapes, involving the sorptive properties of mucky soils and variously silted peat-muck soils which were termed upper silted organic soils. These soils had a low share of exchangeable potassium and magnesium in relation to the total content of these elements. In the soils of riverine and delta landscapes as well as in slightly silted peat-muck soils of morainic landscape, the process of decalcitation was noted. Higher cation exchange capacity and amount of base cations in the soils of the landscape of ice-dammed lakes in comparison to the soils of morainic hills, suggest their high resistance to chemical degradation.