释义 |
black earth
black earth n (Geological Science) another name for chernozem black earth
black earth: see chernozemchernozem or black earth, variety of soil rich in organic matter in the form of humus. It is generally a modified type of loess. True chernozem is black in color, but there are various grades, shading off into gray and chestnut-brown soils. ..... Click the link for more information. . |