soil genesis

soil genesis

[′sȯil ‚jen·ə·səs]
(geology)
The mode by which soil originates, with particular reference to processes of soil-forming factors responsible for the development of true soil from unconsolidated parent material. Also known as pedogenesis; soil formation.
References in periodicals archive ?
The paradigm of soil science as it evolved between the world wars consisted of an approach to the classification of soil types that was based on the natural history tradition and a theory of soil genesis.
Soil genesis and classification, Iowa State University Press, Ames, Iowa.
For example, a natural soil group (homology) is evidence of a common history, process or mechanism, namely soil genesis.
The capacity of a soil to hold cation to exchange species of those ions in reversible chemical reactions is a quality important for both fertility nutrition studies and for soil genesis [2, 9, 10].
Soil Genesis, Hydrological Properties, Root Characteristics and Microbial Activity of 1- to 50-year-old Stripmine Spoils.
ploughing, organic fertilisation, soil removal and addition for flattening soil surface) could drastically affect the topography through tillage translocation and erosion, thus indirectly affecting soil genesis.
The B horizon has undergone extensive changes during soil genesis so that the original parent material is no longer discernible; clay minerals have commonly accumulated by being translocated from above, and new minerals may have formed in place via chemical and physical reactions.
Soil genesis on a chronosequence, Pinery Provincial Park, Ontario.
The chapter on soil genesis (pedogenesis) and profile differentiation is very comprehensive, including a section on composite pedogenic processes and the formation of specific horizons.
Some examples of ways in which humans have affected soil genesis are by (Figure 2-26):