GENERAL KNOWLEDGE

Detailed explanation-1: -chernozyom, IPA: [tɕɪrnɐˈzʲɵm]; “black ground"), also called black soil, is a black-colored soil containing a high percentage of humus (4% to 16%) and high percentages of phosphorus and ammonia compounds. Chernozem is very fertile soil and can produce high agricultural yields with its high moisture storage capacity.

Detailed explanation-2: -Chernozem (black earth) is the distinctive soil of the steppe, taking its name from the very dark upper horizon-often more than three feet (one metre) thick-which is rich in humus derived from the thick grass cover.

Detailed explanation-3: -noun. cher·no·zem ˌcher-nə-ˈzyȯm.-ˈzem. : any of a group of dark-colored zonal soils with a deep rich humus horizon found in regions (such as the grasslands of central North America) of temperate to cool climate.

Detailed explanation-4: -Black soil is usually clayey, deep and impermeable. They swell greatly and become sticky when wet in the rainy season, and shrinks and develops wide cracks during dry season. Chernozems is a black colored soil rich in nutrients due to a high percentage of humus, phosphoric acids, phosphorus and ammonia.