Chernozemic

Chernozem
Chernozemic soil
Chernozem field in Black Dirt Region of Orange County, New York, USA
Used in: WRB, other
WRB code: CH
Profile: AhBC
Parent material: loess
Climate: humid continental

Chernozem (from Russian: чернозём, tr. chernozyom, IPA: [tɕɪrnɐˈzʲɵm]), "black dirt" or "black earth", is a black-coloured soil containing a high percentage of humus[1] (7% to 15%), and high percentages of phosphoric acids, phosphorus and ammonia. Chernozem is very fertile and produces a high agricultural yield.

Distribution

There are two "Chernozem belts" in the world: from eastern Croatia (Slavonia), along the Danube (northern Serbia, northern Bulgaria (Danubian Plain) and southern Romania (Wallachian Plain)), to northeast Ukraine across the Black Earth Region and southern Russia into Siberia, and the other in the Canadian Prairies. Similar soil types occur in Texas and Hungary. Chernozem layer thickness may vary widely, from several inches up to 60 inches (1.5 metres) in Ukraine.[2] The terrain can also be found in small quantities elsewhere (for example, on 1% of Polish territory). It also exists in Northeast China, near Harbin.

The sale of agricultural land has been illegal in Ukraine since 1992; despite this, there is a black market for chernozem soil, sold in trucks, with approximately $900 million in annual sale.[3]

Canadian and United Nations soil classification

Chernozemic soils are a soil type in the Canadian system of soil classification and the United Nations' FAO soil classification.

Chernozemic soil type equivalents, in Canadian, FAO, and USA soil taxonomy
Canadian FAO United States
Chernozemic Kastanozem, Chernozem, Greyzem, Phaeozem Borolls
Brown Chernozem Kastanozem (aridic) Aridic Boroll subgroups
Dark Brown Chernozem Kastanozem (Haplic) Typic Boroll subgroups
Black Chernozem Chernozem Udic Boroll subgroups
Dark Grey Chernozem Greyzem Boralfic Boroll subgroups, Albolls
Source: Pedosphere.com.

See also

References

External links

  • Pedosphere.com

Template:Sister-inline

This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and USA.gov, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for USA.gov and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
 
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
 
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.