calcareous soil

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calcareous soil

calcareous soil , soil formed largely by the weathering of calcareous rocks and fossil shell beds. Different varieties usually contain chalk, marl, and limestone and frequently a large amount of phosphates. They are often very fertile, as in the case of the buckshot soils of the S United States. Sometimes calcareous soils are flinty, thin, and dry. They often form a large part of the soil of deserts, which may prove very fertile when sufficient moisture for crops is applied.

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calcareous soil

A Dictionary of Earth Sciences | 1999 | | Â© A Dictionary of Earth Sciences 1999, originally published by Oxford University Press 1999. (Hide copyright information) Copyright

calcareous soil Soil that contains enough free calcium carbonate to effervesce visibly, releasing carbon-dioxide gas, when treated with cold 0.1 N hydrochloric acid, and which could also be regarded as a basic or alkaline soil.

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AILSA ALLABY and MICHAEL ALLABY. "calcareous soil." A Dictionary of Earth Sciences. 1999. Retrieved December 26, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-calcareoussoil.html

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calcareous soil

A Dictionary of Ecology | 2004 | | Â© A Dictionary of Ecology 2004, originally published by Oxford University Press 2004. (Hide copyright information) Copyright

calcareous soil Soil that contains enough free calcium carbonate to effervesce visibly, releasing carbon dioxide gas, when treated with cold 0.1N hydrochloric acid, and which could also be regarded as an alkaline (basic) soil.

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MICHAEL ALLABY. "calcareous soil." A Dictionary of Ecology. 2004. Encyclopedia.com. 26 Dec. 2009 <http://www.encyclopedia.com>.

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