STUDY OF SOIL

What is soil

FULL LECTURE NOTES ON SOIL (GEOGRAPHY)

meaning of soil Soil is a naturally occurring substance forming the thin uppermost layer of the earth’s surface made by the accumulation of the weathered materials on which plants and animals live. Also, the soil is defined as the thin uppermost part of the earth’s surface consisting of water, air, organic, and mineral matters made …

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What is leaching?

What is leaching?

Leaching is the removal of materials in solution or suspension downwards as water moves vertically through the soil body by the force of gravity. Leaching results in movements of soluble and suspended materials in water percolation. Leaching involves two forms: Elluviation – which is washing out of materials in solution or suspension from the overlying …

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Classification of soil water

Crush course soil water or moisture

soil water is water available for consumption by plants .Soil water has been classified from a physical and biological point of view as Physical classification of soil water, and biological classification of soil water.  Physical classification of soil water Gravitational water Gravitational water occupies the larger soil pores (macro pores) and moves down readily under …

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10 principles of soil biological fertility

10 principles of soil biological fertility

Biological fertility refers to the activities of soil organisms that improve plant growth. The biological fertility of soil provides us with great opportunities for land management and monitoring because of its dynamic nature. It is thought the biological state of soils may be able to provide early warning of land degradation, therefore enable us to employ …

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