Soil Classification and Taxonomy
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Questions and Answers

What is a pedon in soil science?

  • A class of soils and the basic unit used to classify soils
  • A natural body representing a soil; it is the smallest volume that can be called a soil
  • An individual column of soil used in soil surveys (correct)
  • A type of soil classification system
  • Who developed the concept and developed a soil classification scheme in the 1920s?

  • CF Marbut (correct)
  • V.V Dokuchaev
  • Russian soil scientists
  • US Department of Agriculture
  • What is a polypedon in soil science?

  • A type of soil classification system
  • A three-dimensional natural body representing a soil; it is the smallest volume that can be called a soil
  • A class of soils and the basic unit used to classify soils
  • An essential soil individual, comprising an identifiable series of soils in an area (correct)
  • What does Soil Taxonomy refer to?

    <p>A natural soil classification developed by the US Department of Agriculture</p> Signup and view all the answers

    Which is the most detailed category in soil taxonomy?

    <p>Series</p> Signup and view all the answers

    Which category of soil classification is based on the presence or absence of diagnostic horizons?

    <p>Orders</p> Signup and view all the answers

    Which type of soil is characterized by thick, dark, soft surface and high base saturation?

    <p>Mollisols</p> Signup and view all the answers

    In which type of soil classification category would you find soils with high clay content and a large shrink-swell potential?

    <p>Orders</p> Signup and view all the answers

    What characterizes Entisols, a category of soil classification?

    <p>Little horizonation and minimal soil development</p> Signup and view all the answers

    Which type of soil is known for its organic material and peat soils?

    <p>Histosols</p> Signup and view all the answers

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