planosol

/ˈplænəˌsɔl/
noun
  1. A type of soil with a hard, dense layer (often clay) just below the surface, which can slow drainage and root growth.
    • The garden needed special treatment since the planosol made it hard for carrots to grow deep.
    • Geologists studied the planosol to understand why the area had poor drainage.
    • Farmers in the region struggle with planosol because water pools on top of the clay layer.
Synonyms
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