chernozems
/ˈtʃɜrnəzɛmz/
noun
- Plural of chernozem; rich, black soils found in temperate grasslands.
- Different types of chernozems vary slightly in their mineral content.
- Farmers have cultivated chernozems for centuries because of their natural fertility.
- The chernozems of Russia and Ukraine are among the most productive soils on Earth.