The texture class of a soil with 20% sand and 60% silt is _____. sandy loam silty clay loam loam silt loam sandy clay loam

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    1. E horizons may have the same color as ________ yet their genesis is very different.

    3 points


  • The blackest soil color is _________.
    7.5YR 5/8
    10YR 2/1
    10YR 4/2
    2.5Y 5/2
    5Y 4/1


  • The horizon designation used to identify a soil horizon that has massive structure and is gleyed is ______.
    A
    Bt
    Bg
    Cd
    Cg


  • The horizon that must be below an E is _____.
    A
    Bg
    Bw
    Bt
    Cd
    Cg


  • The soil that is best suited for home construction is _______.

    a) b) c) d)
    0-22 cm Ap Ap A Ap
    22-58 cm Bw A1 E Bg1
    58-90 cm Bg A2 Bt Bg2
    90-145 cm BCg Bg C CBg
    A
    B
    C
    D

  • The soil horizon present at the surface immediately after a transported geologic material is deposited is _________.


  • The horizon that can’t exist is _____. This is not a soil profile, it is just a list of horizons.
    Ap
    Bw
    Bg
    Cg
    Et


  • Redoximorphic depletions and gleying are indicators of ______________.
    clay eluviation
    organic matter accumulation
    carbonate removal
    water table location
    clay illuviation


  • The family particle size class of a Fine-silty, mixed, superactive, thermic Typic Haplargid is _____.

    Fine-Silty
    mixed
    superactive
    thermic
    Typic


  • You observe 5Y 4/1 splotches in a 10YR 4/3 matrix 75 cm deep in a soil. These 5Y 4/1 morphologic features are evidence of ___.
    clay illuviation
    saturation and reduction by water table
    carbonate solution weathering
    organic matter additions
  • What level of soil classification is Hapludalf?

    family

    order

    series

    subgroup

    great group

    The texture class of a soil with 20% sand and 60% silt is _____.

    sandy loam

    silty clay loam

    loam

    silt loam

    sandy clay loam

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