These soils usually contain large amounts of clay and easily become water-saturated.
这些土壤通常含有大量的粘土，很容易变成水饱和状态。
Most upland crops such as corn and cotton cannot survive in soils that are water-saturated because of the greatly reduced oxygen content.
大多数旱地作物，如玉米和棉花不能在被水饱和的土壤中存活，因为氧的含量大大减少了。
Groundwater — Subsurface water that occurs beneath a water table in soils, rocks, or in fully saturated geological formation.
地下水——在土壤，岩石，或全湿地结构的地下水位下发现的地表水。
应用推荐