ii) What type of soil is found in the river deltas of the eastern coast? Give three
main features of this type of soil.
iii) What steps can be taken to control soil erosion in the hilly areas?
(iv) What are the biotic and abiotic resources? Give some examples.
Answers
Answer:
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Explanation:
(ii) Alluvial Soil is found in river deltas. Three main features of this type of soil are: It is very fertile. It is rich in potash, phosphoric acid and lime.
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(iii) Soil erosion can be controlled in the hilly areas by:
Terrace farming.
ploughing across contour-lines.
Growing strips of grass between the crops.
Answer:
(ii) Alluvial Soil is found in river deltas. Three main features of this type of soil are:
It is very fertile.
It is rich in potash, phosphoric acid and lime.
It has a high water retention capacity.
(iii) Soil erosion can be controlled in the hilly areas by:
Terrace farming
ploughing across contour-lines
Growing strips of grass between the crops.
(iv) Biotic Resources: The resources which are obtained from the biosphere and have life are called Biotic Resources. For example, plants, animals, human beings, etc.
Abiotic Resources: The resources which are composed of non-living things are called Abiotic Resources. For example, soil, air, water, metals, etc.
Explanation:
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