Soil Basic Concepts 1.1 Quiz
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Questions and Answers

What is the primary influence on soil fertility?

  • Silt content
  • Gravel content
  • Sand content
  • Clay content (correct)
  • Which soil content generally leads to highly fertile soil?

  • High sand content
  • High silt content
  • High clay content (correct)
  • High gravel content
  • What is the smallest unit of land surface that can be used to study the characteristic soil profile?

  • Land plot
  • Pedon (correct)
  • Aggregates
  • Soil horizon
  • What term is used to describe the process by which soil stores and regulates the transformation of plant nutrients and elements in the ecosystem?

    <p>Nutrient recycling</p> Signup and view all the answers

    Which process governs the transformation of nutrients into forms available for plant absorption in the ecosystem?

    <p>Decomposition of organic matter</p> Signup and view all the answers

    What liberates elements from complex materials during the decomposition of organic matter?

    <p>Soil microorganisms</p> Signup and view all the answers

    What is the pivot of all nutrient transformations in soil?

    <p>Decomposition of organic matter</p> Signup and view all the answers

    During the decomposition of organic matter, what generally happens to complex compounds?

    <p>They are converted into simpler compounds</p> Signup and view all the answers

    Which activity drives elements back into rotation during nutrient transformations?

    <p>Microbial decomposition</p> Signup and view all the answers

    What role does soil play in nutrient transformations with respect to plant absorption?

    <p>Soil is a nutrient liberator</p> Signup and view all the answers

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