Question

Define A-horizon and B-horizon. What are it's different components?

Answer 1

A soil horizon is a layer parallel to the soil surface, whose physical characteristics differ from the layers above and beneath. Each soil type usually has three or four horizons. Horizons are defined in most cases by obvious physical features, mainly colour and texture.

a subsurface soil layer that is immediately beneath the A horizon from which it obtains organic matter chiefly by illuviation and is usually distinguished by less weathering.

Answer 2

HELLO DEAR

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A- horizon = the top layer of a soil profile, usually dark-coloured and containing humus and from which soluble salts may have been leached

B- horizon = the layer of a soil profile immediately below the A horizon, containing deposits of leached material

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A Horizon - The layer called topsoil; it is found below the O horizon and above the E horizon.

B horizons-  are commonly referred to as the subsoil. They are a zone of accumulation where rain water percolating through the soil has leached material from above and it has precipitated within the B horizons or the material may have weathered in place.

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