Alluvial soil A type of soil formed on river floodplains and deltas, where new sediment is deposited on the land during floods.
Alluvial soil A type of soil formed on river floodplains and deltas, where new sediment is deposited on the land during floods.
冲积土：在河流漫滩和三角洲地带由洪水冲刷泥沙沉积而形成的土壤类型。