What is mean by 'Soil Horizon'.
Answers
Definitions for A soil horizon is a layer parallel to the soil surface whose physical characteristics differ from the layers above and beneath Each soil type has at least one usually three or four horizons Horizons are defined in most cases by obvious physical features chiefly colour and texture These may be described both in absolute terms and in terms relative to the surrounding material i.e. ‘coarser’ or ‘sandier’ than the horizons above and below water dissolves and removes nutrients as it passes through the soil .
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The soil is the topmost layer of the earth's crust mainly composed of organic minerals and rock particles that support life. A soil profile is a vertical cross-section of the soil, made of layers running parallel to the surface. These layers are known as soil horizons.