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        READY RECKONER OF INDIANGEOGRAPHY                   |31|

        •   Their structure ranges from sandy to loamy.                    Madhya        nitrogen,
                                                                           Pradesh and   phosphorus
        •   They lack in nitrogen and calcium.                             Tamil Nadu    and humus
                                                                                         Rich in iron
        •   Saline soils are more widespread in western Gujarat,           Eastern parts of  and potash  Wheat, rice,
                                                                           Deccan Plateau,  but deficient
            deltas of the eastern coast and in Sunderban areas of  Red     Tamil Nadu,   in lime,     cotton,
                                                                                                      sugarcane and
            West Bengal.                                                   Goa, Odisha and  nitrogen  pulses
                                                                           Meghalaya     phosphorus
            7.  Peaty Soils:                                                             and humus
                                                                           Summits of
        •   Found   in   the   areas   of   heavy   rainfall   and   high  Eastern and   Rich in iron
                                                                           Western ghats,
            humidity, where there is a good growth of vegetation.          Assam hills,  but poor in  Tea, coffee,
                                                                 Laterite  Andhra        silica, lime,  rubber, cashew
        •   Thus,   large   quantity   of   dead   organic   matter                      phosphorus,
                                                                           Pradesh,                   and millets
            accumulates   in   these   areas,   and   this   gives  a   rich  Karnataka, West  potash and
                                                                                         humus
            humus   and   organic   content  to   the   soil.   Organic    Bengal and
                                                                           Odisha
            matter in these soils may go even up to 40-50 per
                                                                                                      Generally
            cent.                                                                                     unsuitable for
                                                                           West and                   cultivation, but
        •   Soils are normally heavy and black in colour.                  North-West    Rich in soluble  with irrigation
                                                                           India,        salts, but   useful for
        •   Occurs widely in the northern part of Bihar, southern  Desert  Rajasthan,    deficient in  cultivation of
                                                                           North Gujarat
            part of Uttaranchal and the coastal areas of West              and Southern  organic matter  drought-resistant
                                                                                                      lime, millets,
            Bengal, Orissa and Tamil Nadu.                                 Punjab                     barley, cotton,
                                                                                                      maize and pulses
        8. Forest Soils:
                                                                           Hills of Jammu  Rich in iron  With fertilizers,
                                                                 Mountai   and Kashmir   and humus,   tea, fruits and
        •   Forest soils are formed in the forest areas where
                                                                 n         Uttarakhand   but deficient  medicinal plants
            sufficient rainfall is available.                              and Assam hills  in lime   can be grown
                                                                           Drier parts of
        •   They are Loamy and silty on valley sides and coarse-           Bihar,        Many salts
            grained in the upper slopes.                         Saline    Jharkhand,    such as      Unfit for
                                                                           Uttar Pradesh,
                                                                 and                     sodium,
        •   In   the   snow-bound   areas   of   the   Himalayas,   they  Alkaline  Haryana,  magnesium  agriculture
            experience   denudation,   and   are   acidic   with   low     Punjab,       and calcium
                                                                           Rajasthan and
            humus content. The soils found in the lower valleys            Maharashtra
            are fertile.                                                                 Contain large
                                                                           Kerala, coastal  amount of
        Soils in India:                                          Peaty     regions of    soluble salts  Useful for rice
                                                                           Odisha, Tamil  and organic
                                                                 and                                  and jute
          Types of    Area of                                    Marshy    Nadu and      matter, but  cultivation
                                  Compositions  Crops grown                Suderbans of  lack in potash
            Soils    Occurrence
                                              Large variety of             West Bengal   and
                                 Rich in potash  Rabi and Kharif                         phosphates
                   Punjab,       and lime but
                   Haryana, Uttar  deficient in  crops such as
          Alluvial                            wheat, rice,      Soil Degradation:
                   Pradesh, Bihar  nitrogen and
                   and Jharkhand  phosphoric  sugarcane,
                                              cotton and jute   •   Defined   as   the   decline   in   soil   fertility,   when   the
                                 acid
                                              etc
                   Deccan plateau,  Rich in iron,                   nutritional status declines and depth of the soil goes
                   valleys of    lime,        Cotton,               down due to erosion and misuse.
          Black (or
                   Krishna and   aluminium,   sugarcane, jowar,
          Regur    Godavari,     magnesium,   tobacco, wheat    •
          soil)                                                     Soil degradation is the main factor leading to the
                   Andhra        calcium but  and rice              depleting soil resource base in India.
                   Pradesh,      lacks in

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