Chernozem

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

Chernozem ( CHUR-nə-zem), also called black soil, black earth, dark earth, regur soil or black cotton soil, is a black-colored soil containing a high percentage of humus (4% to 16%) and high percentages of phosphorus and ammonia compounds.

Excerpt from the Wikipedia article “Chernozem”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: User:Naevius Varius, CC BY-SA 4.0, via Wikimedia Commons.