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Contemporary Problems of Ecology

2007 year, number 5

Genesis, Classification and Zoning of Floodplain Soil of River Valleys of the Siberian Region

P. N. Balabko, A. A. Sneg
Pages: 737–740

Abstract

Features of genesis, classification, the problem of zoning of the floodplain soil of river valleys in the taiga forest, forest-steppe and steppe regions of Siberia are discussed. It is stressed that sod, meadow and meadow-fen soils are formed in river valleys as a result of two groups of processes: floodplain-alluvial and properly soil-forming ones. It is also stressed that each group of soil types is characterized by its own set of elementary soil-forming processes; the main features of zoning in floodplain soils are established. It is shown that the mobility of ferriferrous, humus-ferrous and clayish plasma in meadow soil should be taken into account when carrying out drainage land improvement since there is a danger of plugging up the drainage tubes and the danger of slitization of the plough layer of soil during ploughing up.