Black soil, also called regur, is most suitable for the cultivation of

Black soil forms from weathering of basaltic lava in the Deccan Plateau. It is rich in clay, retains moisture and is rich in calcium, magnesium and iron, which suits cotton, so it is also called the black cotton soil. Tea and coffee prefer well-drained acidic or forest soils, and jute needs the alluvial soil and humid climate of the delta region.