noun
- A dark, humus-rich soil formed under prairie or grassland vegetation, characterized by a thick, dark surface layer and high fertility.
Usage: soil science; also called prairie soil
Examples
- Brunizem soils are among the most fertile agricultural soils in the world.
- The Midwest's productive farmland is built on brunizem developed under native grasslands.
- Brunizem forms in temperate climates with moderate rainfall and grassland vegetation.
- Farmers prize brunizem for its high organic matter content and natural fertility.