Tag: humus

  • Soil as Ecological Factor

    Soil as Ecological Factor

    Introduction Soil consists of weathered layer of Earth’s crust with products of decay of living organisms intermingled. In soil, thus, abiotic & biotic components are intimate. Soil is considered to be chief organizing centre for land ecosystems. Pedosphere: Outermost layer of earth that is composed of soil & subject to its formation. Pedogenesis: Process of…

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  • SOIL – Class 7

    SOIL – Class 7

    Soil is the upper most part of the surface of land. It contains many particles in it. FORMATION OF SOIL Weathering is a process in which huge rocks are broken down by the action of heat, wind, water and other natural and anthropogenic way to form small particles called soil. Formation of soil is a…

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