Results 221 to 230 of about 15,929 (267)
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1996
Publisher Summary The genesis of Vertisols is strongly influenced by soil movement (contraction and expansion of the soil mass) and the churning (turbation) of the soil materials. These soils have the capacity to swell and shrink, inducing cracks in the upper parts of the soil and distinctive soil structure throughout the soil. The formation of these
A.R. Mermut +3 more
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Publisher Summary The genesis of Vertisols is strongly influenced by soil movement (contraction and expansion of the soil mass) and the churning (turbation) of the soil materials. These soils have the capacity to swell and shrink, inducing cracks in the upper parts of the soil and distinctive soil structure throughout the soil. The formation of these
A.R. Mermut +3 more
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The fate of phosphorus during pedogenesis
Geoderma, 1976Abstract The fate of phosphorus (P) during pedogenesis is considered with particular emphasis on vertical distribution within the profile. Information is based on P fractionation studies involving a range of soil sequences in New Zealand. Forms of P in soil parent materials are discussed in relation to soil P transformations.
T.W. Walker, J.K. Syers
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Quantifying Pedogenesis for Soils with Discontinuities
Soil Science Society of America Journal, 1973Abstract Comparing calculated values of changes with observable features in relatively young soils is one way of testing genetic assumptions. If the agreement is acceptable, then the probability that the assumptions are correct increases.
Chang Wang, R. W. Arnold
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Andosols in Germany—pedogenesis and properties
CATENA, 2004Abstract Soils conforming to Andosols in the World Reference Base (WRB) of Soil Resources have not yet been recognised in Germany. The aims of this study were to (i) show whether some German soils developed in volcanic parent materials are Andosols, (ii) investigate their pedogenetic development and (iii) determine their local distribution.
Markus Kleber +2 more
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Conceptual Approaches to Pedogenesis
2004To fully appreciate and apply pedologic principals in archaeology, some of the theoretical underpinnings of pedology and especially soil geomorphology must be outlined. Pedologists and soil geomorphologists have attempted to describe, if not model, the processes of soil formation, the factors that drive the processes, and the evolution of soils as ...
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Electrical parameters of soils and pedogenesis
Eurasian Soil Science, 2008A concept of the relationship between the electrical parameters of soils (the electrical resistivity and the natural electrical potential) and their pedogenesis was advanced on the basis of the known classical laws of electromagnetism and the general theory of pedogenesis.
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Pedogenesis of Horizons and Profiles
1980When uniform rock material transforms to soil, horizons appear at various depths, recognizable as dark humus layers, gray and reddish color bands, zones of clay accumulations, carbonate strata, and iron and silica hardpans.
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Progressive Pedogenesis of Eolianite Sandstone
SEPM Journal of Sedimentary Research, 1975ABSTRACT Pedological processes occur during subaerial diagenesis, in the rhizosphere, the zone in which the root system of plants is active. Some plant roots may penetrate deep into the sediment. As a result of extensive evaporation and calcium ion concentration, CaCO3 is concentrated at the sediment/root interface in column formations that surround ...
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