Greyzem is a see also of chernozem.
As a noun chernozem is
a fertile black soil containing a very high percentage of humus (3% to 15%) and high percentages of phosphoric acids, phosphorus and ammonia.
greyzem
Not English
Greyzem has no English definition. It may be misspelled. chernozem
Noun
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
Derived terms
* chernozemic
See also
* greyzem
* kastanozem
* phaeozem
* dark earth
* terra preta
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