chernozem

== English == === Alternative forms === chernosem, tschernosem, tchernozem, tchornozem chornozem (from Ukrainian) === Etymology === Borrowed from Russian чернозём (černozjóm, “black soil”). The letter ё (jo) is usually written as е (je) in Russian, more accurately transliterated as "chernozyom"; compare чернозе́мье (černozémʹje), where ё (jo) is changed to е (je). === Pronunciation === IPA(key): /ˈt͡ʃɜː(ɹ)nəˌzɛm/ === Noun === chernozem (countable and uncountable, plural chernozems) (soil science) A fertile black soil containing a very high percentage of humus (3% to 15%) and high percentages of phosphoric acids, phosphorus and ammonia. Synonyms: black earth, black soil ==== Derived terms ==== ==== Translations ==== ==== See also ==== brunizem dark earth greyzem kastanozem phaeozem rubrozem sierozem terra preta == Portuguese == === Etymology === Borrowed from Russian чернозём (černozjóm) === Pronunciation === Hyphenation: cher‧no‧zem === Noun === chernozem m (plural chernozens) chernozem (black-coloured soil containing a high percentage of humus)