Page 54 - Social Science 2_flatten
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very little rainfall. A large part of
Light Up YourThinking Remembered Percep on
Rajasthan, Gujarat and adjoining areas of
Punjab and Haryana have sandy soil. This Iden fy me.
soil is not fertile. If properly irrigated 1. I need black soil, moderate rainfall and
warm temperature to grow well.
with water, this soil can be useful for the
crops of millets, pulses and cotton. I am _________________
2. I prefer the hill slopes to grow well. I also
need good rainfall, warm temperature
and frost free environment.
I am _________________
3. I am a kharif crop. I am the most important
crop of India.
I am _________________
Desert soil
Soil erosion is severe in the hilly and dry
Soil Erosion regions of India. Soil exposed to
Deforestation and overgrazing make the weathering can be controlled by
soil loose. Strong winds and rainfall carry afforestation. Building bunds along
the loose soil away. This is called soil riverbanks and terrace farming are other
erosion. Both human and natural measures to prevent soil erosion. Farmers
activities are responsible for soil erosion. should also use natural fertilisers like
compost instead of chemical fertilisers to
Construction activities such as building
prevent soil degradation. Rivers cause
houses, dams, roads and bridges also
soil erosion. Dams can be constructed to
require cutting down of trees to clear
check the speed of water and thereby save
land. This is called deforestation .
soil from erosion. Crop rotation is also an
Deforestation increases soil erosion. Soil
effective method to retain the fertility of
becomes infertile due to faulty methods
soil.
of agriculture such as growing the same
crop repeatedly in the area.
Words to Know
moisture: water in small drops on a surface
glaciers: a mass of ice that moves slowly down a valley
accumula on: an amount of something that has been collected
erosion: a process in which soil, stone, etc. is gradually damaged
fer lity: the quality or state of being fer le
54 SST-4
