Page 1 - LESSON 13 MM
P. 1

S A I  I n t e r n at i on al  S c h
               SAI International Schoolool
                                                             Std-4
                                                  Subject- Social Science
                                                  Lesson-13 Soils of India







        Soils of India






                                                       Soils of India







                       Alluvial                                                          Laterite
                         Soil               Black Soil              Red Soil                Soil





                                             Desret                        Mountain
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                                               soil                            Soil










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              Soil – It is defined as the top layer of the Earth on which plants and trees
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               grows.
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            •  Formation of soil - Thee soil is formed by weathering or disintegration of
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               p a r e n t     r o c k s     b y     p h y s i i c a l l , ,     c h e m i i c a l l     a n d     b i i o l l o g i i c a l l     a g e n t s .
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            •   As a result of these processes, large rock pieces are converted into smaller
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               pieces and eventually too soil.
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            •  Living organisms such as lichens, insects, microorganisms makee soil ready
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               for the plants to grow.
               f o r   t h e   p l a n t s   t o   g r o w .
               Types of soil:
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