Illustrate about the colour of the soil, Science

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Illustrate about the colour of the soil

The colour of the soil gets influenced by the oxidation states of metal ions. Colours such as red, yellow and reddish brown are found under well oxidising conditions.  More subdued shades such as grey and blue predominate if insufficient oxygen is present.  Imperfectly drained soils are characterised by alternate s treaks of oxidised and reduced material. The mottled conditions indicate a zone of alternate good and poor aeration, a condition not conducive to proper plant growth.  


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