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Gley |
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gleySticky clay soil or soil layer formed under the surface of some waterlogged soils. Characteristic of poorly drained areas, gley soils contain reduced amounts of iron and other elements and are gray and mottled in colour. gley [glā] (geology) A sticky subsurface layer of clay in some waterlogged soils. Gley gleyed topsoil, the portion of the soil profile characterized by lack of structure, low porosity, and green, blue, dove-gray, or mixed dove-gray-red color. It is formed as a result of the gleying of soils, a complex set of processes predominantly microbiological and biochemical in nature, including reduction of mineral and organic substances with formation of unstable forms of oxides of iron, manganese, aluminum, and other elements accumulated in the soil; transformation of humic acids into fulvic acids; acidification of the soil reaction with entry into the absorbing complex of bivalent iron, hydrogen, and aluminum; destruction of alumosilicate minerals with neogenesis of clay minerals containing bivalent iron; and a number of other phenomena. It develops in various swamped and marshy soils in topsoils with difficult or no access to oxygen (under the influence of ground or surface waters). Gley exerts an adverse effect on the overwhelming majority of wild and cultivated plants. Reclamation of gleyed soils involves first of all drying them out—lowering the level of groundwater and eliminating excess surface waters. The term “gley” was first introduced into scientific literature by the Russian scientist G. N. Vysotskii (1905) and became international in soil science. V. M. FRIDLAND How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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No references found | The meeting was attended notably by Minister of Communication Technologies El Hadj Gley. El Hadj Gley stressed that the telecommunications market in Tunisia is fast developing and is offering great opportunities in terms of coverage and diversification of fixed and mobile product. Larne were fined pounds 8,000 and relegated after being docked 16 points by the IFA on Friday night for playing Gollo gley in 16 games without proper clearance. |
Gley |
GLER GLERL GLES Glesca Glesca Glesca Gleser, Hilda Gleser, Hilda Andresovna Glesga Glesga Glesga Glesgae Glesgae Glesgae Glessite Glessite Glessite Glessite GLET Gletscher Gletscher Gletscher Gleucometer Glevum Glevum Glevum Glevum Glew Glew GLEWS Gley GleyingGleying gleys gleys Glezerman, Grigorii Glezerman, Grigorii Erukhimovich Glezos Glezos, Manolis GLF GLFA GLFALSK GLFATF GLFBPH Glfc GLFCAL GLFE GLFEA GLFF GLFFC GLFG GLFHC GLFIC Glfl GLFLC GLFLI GLFM | |||||||
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