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anthropic horizon

anthropic horizon The surface horizon of a mineral soil which is produced by very long periods of cultivation and fertilization by humans. It is dark brown in colour, contains at least 1 per cent organic carbon, is relatively deep (more than 50 cm), has a base saturation of more than 50 per cent, and has more than 250 ppm P2O5 soluble in 1 per cent citric acid.

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"anthropic horizon." A Dictionary of Ecology. . Encyclopedia.com. 17 Feb. 2018 <http://www.encyclopedia.com>.

"anthropic horizon." A Dictionary of Ecology. . Encyclopedia.com. (February 17, 2018). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/anthropic-horizon

"anthropic horizon." A Dictionary of Ecology. . Retrieved February 17, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/anthropic-horizon

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anthropic horizon

anthropic horizon The surface horizon of a mineral soil that is produced by very long periods of cultivation and fertilization by humans. It is dark brown in colour, contains at least 1 per cent organic carbon, is relatively deep (more than 50 cm), has a base saturation of more than 50 per cent, and has more than 250 ppm P2O5 soluble in 1 per cent citric acid.

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"anthropic horizon." A Dictionary of Plant Sciences. . Encyclopedia.com. 17 Feb. 2018 <http://www.encyclopedia.com>.

"anthropic horizon." A Dictionary of Plant Sciences. . Encyclopedia.com. (February 17, 2018). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/anthropic-horizon-0

"anthropic horizon." A Dictionary of Plant Sciences. . Retrieved February 17, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/anthropic-horizon-0

Learn more about citation styles

Citation styles

Encyclopedia.com gives you the ability to cite reference entries and articles according to common styles from the Modern Language Association (MLA), The Chicago Manual of Style, and the American Psychological Association (APA).

Within the “Cite this article” tool, pick a style to see how all available information looks when formatted according to that style. Then, copy and paste the text into your bibliography or works cited list.

Because each style has its own formatting nuances that evolve over time and not all information is available for every reference entry or article, Encyclopedia.com cannot guarantee each citation it generates. Therefore, it’s best to use Encyclopedia.com citations as a starting point before checking the style against your school or publication’s requirements and the most-recent information available at these sites:

Modern Language Association

http://www.mla.org/style

The Chicago Manual of Style

http://www.chicagomanualofstyle.org/tools_citationguide.html

American Psychological Association

http://apastyle.apa.org/

Notes:
  • Most online reference entries and articles do not have page numbers. Therefore, that information is unavailable for most Encyclopedia.com content. However, the date of retrieval is often important. Refer to each style’s convention regarding the best way to format page numbers and retrieval dates.
  • In addition to the MLA, Chicago, and APA styles, your school, university, publication, or institution may have its own requirements for citations. Therefore, be sure to refer to those guidelines when editing your bibliography or works cited list.