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subsoil    音标拼音: [s'ʌbs,ɔɪl]
n. 下层土,底土
vt. 掘起…的底土

下层土,底土掘起…的底土

subsoil
n 1: the layer of soil between the topsoil and bedrock [synonym:
{subsoil}, {undersoil}]

Subsoil \Sub"soil`\, n.
The bed, or stratum, of earth which lies immediately beneath
the surface soil.
[1913 Webster]

{Subsoil plow}, a plow having a share and standard but no
moldboard. It follows in the furrow made by an ordinary
plow, and loosens the soil to an additional depth without
bringing it to the surface. --Knight.
[1913 Webster]


Subsoil \Sub"soil`\, v. t.
To turn up the subsoil of.
[1913 Webster]


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  • Subsoil - Wikipedia
    Subsoil is the layer of soil under the topsoil on the surface of the ground Like topsoil, it is composed of a variable mixture of small particles such as sand, silt and clay, but with a much lower percentage of organic matter and humus
  • Subsoil | Soil Structure, Composition Formation | Britannica
    Subsoil, Layer (stratum) of earth immediately below the surface soil, consisting predominantly of minerals and leached materials such as iron and aluminum compounds
  • What Is Subsoil and How Does It Help a Garden? - The Family Handyman
    Subsoil is the layer of soil below topsoil where minerals accumulate as they work their way down from the surface It is also called “undersoil” or “B soil horizon ”
  • What Is Subsoil and How Does It Differ From Topsoil?
    Subsoil is the layer of earth that sits directly beneath the topsoil you see at the surface In soil science, it’s formally known as the B horizon, the middle layer in a three-part soil profile: surface soil (A horizon) on top, subsoil (B horizon) in the middle, and the rocky substratum (C horizon) at the bottom
  • What is Subsoil? Composition, Function and Management
    Subsoil is the layer of soil found beneath the topsoil and above the bedrock It typically consists of a mixture of sand, silt, and clay
  • What is subsoil and how does it help a garden?
    The movement of smaller soil particles from the surface soil into the subsoil increases clay content The subsoil also lacks many of the rooting channels and biological pores that help build and support soil structure due to the limited presence of plant roots and animal activity
  • Topsoil vs. Subsoil: Understanding the Key Differences
    Subsoil, found beneath topsoil, contains important minerals for plant nourishment but is less fertile Understanding the differences between topsoil and subsoil is crucial for optimizing gardening and landscaping outcomes
  • SUBSOIL Definition Meaning - Merriam-Webster
    The meaning of SUBSOIL is the stratum of weathered material that underlies the surface soil
  • Subsoil - an overview | ScienceDirect Topics
    Topsoil is therefore enriched in nutrients and generally characterized by active nutrient transformations between organic and mineral forms compared to the subsoil The term “subsoil” refers to the strata below the topsoil, including the E, B, and, in some cases, C horizons





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