Page 103 - Science - 5

polluted land becomes less fertile. Excessive use of pesticides and chemical
fertilizers by farmers also pollutes the soil. The soil pollution ultimately makes

the land barren.

Prevention of Soil Pollutionof Soil Pollutionof Soil Pollution
Prevention
Prevention
w Plant grass and ground cover in huge
expansive gardens and fields.
w Never leave embankments bare and

exposed.
w Adopt a small piece of land outside

your property as your own for
plantation and cleanliness.

w Built a retaining wall or fence around
your bare property.

w Proper solid waste management
should be done.

w Laws should be created for prevention
of soil pollution.

w Improve agricultural techniques and
reduction of use of chemical fertilizers

and pesticides should be practised.
w Never forget the rule of three R's, that

are REDUCE, REUSE and RECYCLE.
w Create awareness among children and

youngsters about afforestation.
Fact File
Fact FileFact FileFact FileFact FileFact File
Fact FileFact FileFact FileFact FileFact File
Fact File
It has been estimated that total global soil erosion costs agriculture many
hundreds of billions of US dollars every year.

Scientific Terms

Afforestation : the conversion of land into forest, especially for the commercial use
Barren : too poor to produce any vegetation
Earth quake : a sudden and violet shaking of the ground
Embankment : a structure of the Earth, raised to prevent water from overflowing
Humus : the organic component of soil
Overgrazing : grazed grassland so heavily that the vegetation is damaged and the
ground become liable to erosion

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