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  2. Soil - Wikipedia

    en.wikipedia.org/wiki/Soil

    Soil texture is determined by the relative proportion of the three kinds of soil mineral particles, called soil separates: sand, silt, and clay. At the next larger scale, soil structures called peds or more commonly soil aggregates are created from the soil separates when iron oxides , carbonates , clay, silica and humus , coat particles and ...

  3. Parent material - Wikipedia

    en.wikipedia.org/wiki/Parent_material

    Parent material is the underlying geological material (generally bedrock or a superficial or drift deposit) in which soil horizons form. Soils typically inherit a great deal of structure and minerals from their parent material, and, as such, are often classified based upon their contents of consolidated or unconsolidated mineral material that has undergone some degree of physical or chemical ...

  4. Khadir and Bangar - Wikipedia

    en.wikipedia.org/wiki/Khadir_and_Bangar

    In any doab, khadar land (green) lies next to a river, while bangur land (olive) has greater elevation and lies further from the river. Khādir or Khadar and Bangar, Bāngur or Bhangar (Hindi language: खादर और बांगर, Urdu languageکهادر اور بانگر) are terms used in Hindi, Urdu, Punjabi and Sindhi in the Indo-Gangetic plains of North India and Pakistan to ...

  5. Agrominerals - Wikipedia

    en.wikipedia.org/wiki/Agrominerals

    The process of replenishing mineral levels in a soil is called soil remineralization. While studying alternative ways to replenish ground nutrients, it has been found that agrominerals can also help mitigate other issues such climate change , water preservation and soil management .

  6. Peatland - Wikipedia

    en.wikipedia.org/wiki/Peatland

    A fen is located on a slope, flat, or in a depression and gets most of its water from the surrounding mineral soil or from groundwater (minerotrophic). Thus, while a bog is always acidic and nutrient-poor, a fen may be slightly acidic, neutral, or alkaline, and either nutrient-poor or nutrient-rich. [ 8 ]

  7. Physical properties of soil - Wikipedia

    en.wikipedia.org/wiki/Physical_properties_of_soil

    When the organic component of a soil is substantial, the soil is called organic soil rather than mineral soil. A soil is called organic if: Mineral fraction is 0% clay and organic matter is 20% or more; Mineral fraction is 0% to 50% clay and organic matter is between 20% and 30%; Mineral fraction is 50% or more clay and organic matter 30% or ...

  8. Kankar - Wikipedia

    en.wikipedia.org/wiki/Kankar

    Kankar or (kunkur) is a sedimentological term derived from Hindi (and ultimately Sanskrit) which is occasionally applied in both India [1] and the United States to detrital or residual rolled, often nodular calcium carbonate formed in soils of semi-arid regions. [2] It is used in the making of lime and of roads. [3]

  9. Mineral soil - Wikipedia

    en.wikipedia.org/?title=Mineral_soil&redirect=no

    Search. Search. Appearance. Donate ... Create account; Log in; Pages for logged out editors learn more. Contributions; Talk; Mineral soil. Add languages. Add links ...