also: こくど
noun
black soil; black earth; chernozem
Refers to dark-colored soil, often fertile; can be used in agriculture, geology, or everyday description.
この地域の黒土は農業に適している。
The black soil in this region is suitable for agriculture.
庭の黒土に花を植えた。
I planted flowers in the black soil of the garden.
Compound of 黒 (black) and 土 (soil). The reading くろつち is the native Japanese reading, while こくど uses the Sino-Japanese readings.