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  2. Sand - Wikipedia

    en.wikipedia.org/wiki/Sand

    Agriculture: Sandy soils are ideal for crops such as watermelons, peaches, and peanuts, and their excellent drainage characteristics make them suitable for intensive dairy farming. Air filtration: Finer sand particles mixed with cloth was commonly used in certain gas mask filter designs but have largely been replaced by microfibers.

  3. Loam - Wikipedia

    en.wikipedia.org/wiki/Loam

    Loam soils can be classified into more specific subtypes. Some examples are sandy loam, silt loam, clay loam, and silty clay loam. Different soil phases have some variation in characteristics like stoniness and erosion that are too minor to affect native vegetative growth but can be significant for crop cultivation.

  4. Physical properties of soil - Wikipedia

    en.wikipedia.org/wiki/Physical_properties_of_soil

    Clay soils also resist wind and water erosion better than silty and sandy soils, as the particles bond tightly to each other, [14] and that with a strong mitigation effect of organic matter. [ 15 ] Sand is the most stable of the mineral components of soil; it consists of rock fragments, primarily quartz particles, ranging in size from 2.0 to 0. ...

  5. Soil texture - Wikipedia

    en.wikipedia.org/wiki/Soil_texture

    Soil texture. Soil texture is a classification instrument used both in the field and laboratory to determine soil classes based on their physical texture. Soil texture can be determined using qualitative methods such as texture by feel, and quantitative methods such as the hydrometer method based on Stokes' law.

  6. Unified Soil Classification System - Wikipedia

    en.wikipedia.org/wiki/Unified_Soil...

    The Unified Soil Classification System (USCS) is a soil classification system used in engineering and geology to describe the texture and grain size of a soil. The classification system can be applied to most unconsolidated materials, and is represented by a two-letter symbol. Each letter is described below (with the exception of Pt): If the ...

  7. Soil formation - Wikipedia

    en.wikipedia.org/wiki/Soil_formation

    Soil formation. Soil formation, also known as pedogenesis, is the process of soil genesis as regulated by the effects of place, environment, and history. Biogeochemical processes act to both create and destroy order (anisotropy) within soils.

  8. Soil moisture - Wikipedia

    en.wikipedia.org/wiki/Soil_moisture

    Soil moisture is the water content of the soil. It can be expressed in terms of volume or weight. Soil moisture measurement can be based on in situ probes (e.g., capacitance probes, neutron probes) or remote sensing methods. [1][2] Water that enters a field is removed from a field by runoff, drainage, evaporation or transpiration. [3] Runoff is ...

  9. Hydrophobic soil - Wikipedia

    en.wikipedia.org/wiki/Hydrophobic_soil

    Hydrophobic soil. Hydrophobic soil is a soil whose particles repel water. The layer of hydrophobicity is commonly found at or a few centimeters below the surface, parallel to the soil profile. [ 1 ] This layer can vary in thickness and abundance and is typically covered by a layer of ash or burned soil.