Soil Science Fundamentals
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the basis for measuring the depth of soil?

  • To the lowest point of soil aeration
  • To the deepest root limiting layer
  • To the shallowest root limiting layer (correct)
  • To the highest point of soil saturation
  • Which of the following factors does NOT affect soil drainage?

  • Soil aeration (correct)
  • Precipitation
  • Soil texture
  • Soil depth
  • What is the term for the rate at which water moves down through the soil?

  • Permeability (correct)
  • Water holding capacity
  • Infiltration
  • Drainage
  • What is the characteristic of a sandy loam soil?

    <p>It forms weak aggregates</p> Signup and view all the answers

    What is the gas released when soils are waterlogged?

    <p>Hydrogen sulfide</p> Signup and view all the answers

    What is the texture class of soil that is loose and single-grained?

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

    What is the primary characteristic of Silt Loam soil?

    <p>It has moderate amounts of fine grades of sand and less than 27% clay</p> Signup and view all the answers

    Which type of soil is characterized by forming a firm ball and showing a fingerprint when moist?

    <p>Sandy Clay Loam</p> Signup and view all the answers

    What is Soil Organic Loss?

    <p>The reduction in the amount of organic carbon in the soil</p> Signup and view all the answers

    What is the term for the loss of valuable topsoil through water, wind, tillage, or other means?

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

    What is the characteristic texture of Silt when dry?

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

    What is Clay characterized by when it is dry?

    <p>Forms very hard or extremely hard blocks or prisms</p> Signup and view all the answers

    What type of soil is characterized by high organic matter and water-holding capacity, commonly found in wetlands?

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

    Which soil type is formed in acidic forest environments and has a distinctive horizon enriched with organic matter and iron/aluminum oxides?

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

    What is the primary factor that determines the texture of a soil?

    <p>Proportions of sand, silt, and clay</p> Signup and view all the answers

    Which soil type is characterized by low fertility due to leaching and iron and aluminum accumulation?

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

    What is a common feature of Vertisols?

    <p>Swelling when wet and shrinking when dry</p> Signup and view all the answers

    Which soil type is formed in grasslands and is characterized by thick, dark, fertile soil?

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

    More Like This

    Soil Science Fundamentals
    10 questions

    Soil Science Fundamentals

    AltruisticAmethyst avatar
    AltruisticAmethyst
    Soil Science: Chapter 1 Soil and Soil Management
    6 questions
    Soil Science: Flocculation and Cations
    57 questions
    Use Quizgecko on...
    Browser
    Browser