Question

give procedure for soil layer
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Answer 1

Answer:

The soil profile has four distinct layers: 1) O horizon; 2) A horizon; 3) B horizon, or subsoil; and 4) C horizon, or soil base (Figure 31.2. 2). The O horizon has freshly decomposing organic matter—humus—at its surface, with decomposed vegetation at its base

Answer 2

The soil profile has four distinct layers-

$\bold\red{1.\:O\:horizon-}$ The O horizon has freshly decomposing organic matter—humus—at its surface, with decomposed vegetation at its base.

$\bold\orange{2.\:A\:horizon}$

$\bold\green{3.\:B\:horizon\:or\:subsoil}$

$\bold\blue{4.\:C\:horizon\:or\:soil\:base}$