
== 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.....
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http://en.wikipedia.org/wiki/Chernozem

black earth typically found in cool grassland climates
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Literally, black earth. The zone of rich, black soil that extends across the southwestern Soviet Union.
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http://soviethistory.msu.edu/glossary/

one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). Chernozems (from the Russian words for `black ...
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http://www.britannica.com/eb/a-z/c/65

(from the article `Dokuchayev, Vasily Vasilyevich`) ...the Novo-Aleksandr Institute of Agriculture and Forestry, adding departments of soil science and plant physiology. He organized soil surveys ... [9 related articles]
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http://www.britannica.com/eb/a-z/c/65

Black earth soils have a high clay content which changes little with depth; usually neutral or alkaline.
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http://www.encyclo.co.uk/visitor-contributions.php

Chernozem (black earth) is a type of soil that is characteristic of the continental interiors of the mid-latitudes, in which grassland formed the natural vegetation. Chernozems occur across the Russian steppes and parts of Romania and Hungary; these soils also occur in North America. The deep surface layer (A horizon) of a chernozem is black and ri...
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http://www.probertencyclopaedia.com/browse/GC.HTM

Literally, black earth. The zone of rich, black soil that extends across the southwestern Soviet Union.
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https://irp.fas.org/world/russia/su_glos.html

a soil common in cool or temperate semiarid climates, very black and rich in humus and carbonates.
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https://www.infoplease.com/dictionary/chernozem

Literally, black earth. A type of rich, black soil indigenous to large parts of Ukraine and southwestern Russia.
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https://www.photius.com/countries/russia/glossary/index.html
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