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  2. 4 days ago · Soil is one of the principal substrata of life on Earth, serving as a reservoir of water and nutrients, as a medium for the filtration and breakdown of injurious wastes, and as a participant in the cycling of carbon and other elements through the global ecosystem.

    • Soil Classification

      Soil - Texture, Structure, Composition: The two principal...

    • Soil Pollution

      Soil - Pollution, Contamination, Fertility: The presence of...

    • Soil Liquefaction

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    • Horizon

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    • FAO Soil Groups

      Soil - FAO Groups, Texture, Structure: The classification...

    • Pedology

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    • Climate

      Soil - Climate, Texture, Structure: The term climate in...

    • Soil Behaviour

      Soil - Structure, Composition, Properties: The grain size of...

  3. 4 days ago · The evolution of soils and their properties is called soil formation, and pedologists have identified five fundamental soil formation processes that influence soil properties. These five “state factors” are parent material, topography, climate, organisms, and time.

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  4. 16 hours ago · In the field, soil scientists identify and differentiate soil horizons by examining morphological, chemical, and physical properties, including soil color, texture, depth, structure, presence of coarse fragments, pore size, and redox characteristics (Soil Survey Staff, 2014). Soils are classified using morphology, soil properties, and the presence or absence of diagnostic horizons.

  5. 2 days ago · In this study, red soil (Loamy-skeletal, mixed, isohyperthermic, Typic Rhodustalfs), categorized as alfisol by the USDA, was sourced from Sangareddy field (17.6140° N, 78.0816° E) at depths of 0-20 cm. After processing and sieving (2 mm), physicochemical characteristics were analyzed using standard procedures. Soil properties, including dry ...

  6. 3 days ago · Soil in areas 1–3 were classified as Red Chromosol clayey while soil in areas 4 and 5 were classified as Gray Chromosol clayey (Table 1). Soil pH was above 7.0 in all monitored areas while ECEC ranged from 22 to 39 cmol+/kg both increasing with depth.

  7. en.wikipedia.org › wiki › SoilSoil - Wikipedia

    3 days ago · Soil, also commonly referred to as earth or dirt, is a mixture of organic matter, minerals, gases, liquids, and organisms that together support the life of plants and soil organisms. Some scientific definitions distinguish dirt from soil by restricting the former term specifically to displaced soil. Soil measuring and surveying device

  8. 1 day ago · Background The plant microbiome is one of the key determinants of healthy plant growth. However, the complexity of microbial diversity in plant microenvironments in different regions, especially the relationship between subsurface and aboveground microorganisms, is not fully understood. The present study investigated the diversity of soil microorganisms in different regions and the diversity of microorganisms within different ecological niches, and compared soil microorganisms and endophytic ...