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The Black-Earth Belt, rich in mollisol soils, spans Russia, Ukraine, Moldova, and Kazakhstan, serving as a global agricultural powerhouse. For a detailed description, click on the article title.
A material found in tropical regions with highly leached soils.
Thick, productive, and durable soils, such as the chernozem, whose fertility comes from abundant humus in the top layer.
The subdiscipline of geography is most concerned with the climate, landforms, soils, and physiography of the earth’s surface.
Soil with a grayish, bleached appearance when plowed, lacking in well-decomposed organic matter, poorly structured, and very low in natural fertility.
Land that is reclaimed from the sea or other body of water by diking and drainage.
An area of tall grass in the middle latitudes composed of rich soils that have been cleared for agriculture.
The deposition of salts on, and subsequent fertility loss in, soils experiencing a combination of overwatering and high evaporation.
Acidic soils that have a grayish, bleached appearance when plowed, lack well-decomposed organic matter, and are low in natural fertility. Also known as podzols.