chernozem

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cher·no·zem

 (chĕr′nə-zĕm′, chîr′nə-zyôm′)
n.
A very black topsoil, rich in humus, typical of cool to temperate semiarid regions such as the grasslands of Ukraine and southern Russia.

[Russian chernozëm : chërnyĭ, black + Old Russian zemĭ, earth; see dhghem- in Indo-European roots.]

cher′no·zem′ic adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

chernozem

(ˈtʃɜːnəʊˌzɛm) or

tschernosem

n
(Geological Science) a black soil, rich in humus and carbonates, in cool or temperate semiarid regions, as the grasslands of Russia
[from Russian, contraction of chernaya zemlya black earth]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

cher•no•zem

(ˈtʃɜr nəˌzɛm, ˈtʃɛər-)

n.
a soil common in cool or temperate semiarid climates, black and rich in humus and carbonates.
[1835–45; < Russian <chërn(yĭ) black + zemlyá earth]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
However, as became clear in their discussions with their US colleagues, the soil scientists of the Soviet delegation did not consider the prairie soils to be identical to "real" Russian black earths and so categorized them as "degraded chernozems." (79) "Degradation" (degradatsiia) was a concept that had first been developed by Russian soil scientists in late imperial Russia, and described the changes that black earth undergoes when environmental conditions change.
The Cambisols, Chernozems and Leptosols cover 12%, 9% and 9% respectively of European soil.
and Avramenko, P S., Vertical migration of N[O.sub.3.sup.-]-N in ordinary chernozems of the Ukrainian steeper zone.
The soils of the river banks in the couloir are advanced chernozems cambic and clay-illuvial--, while the soils of the Mures meadow and of the major branches around the vineyard are alluvial soils, often flooded, or phreatic-gleyic ones, which are not suitable for winegrowing.
This horizon, although less frequently, is also found in gleysols, vertisols, andosols, chernozems, kastanozems, phaeozems, durisols, calcisols, lixisols, luvisols and leptosols (IUSS Working Group WRB, 2015).
Soil profiles were situated in the plains (Luvic Chernozems) and in mid parts of gentle slopes (Albic Luvisols).
Fertile soils of Perm Krai are considered to be forest grey soils and chernozems of forest-steppe areas.
The soils of Ialomita county and Fetesti town are represented mainly by chernozems, alluvial and cambic soils.
According to gross chemical analysis data leached chernozems contain plenty of silica and sesquioxides; there occurs a significant amount of calcium, magnesium and sulfur in the whole soil body.
purpurascens could technically be considered Dark Brown Chernozems. Pinus contorta ssp.