Answer:
Land is the basic natural
resource that is required in as a factor or an input in many production
activities. Land is a fixed asset it cannot be expanded or produced. Many of
human activities depend on land. It is very necessary to be careful in its
use.
(2)
Three ways to sustain land are
(i)
Soil is the vital part of land, chemical fertilisers and pesticides reduce its
fertility and pollute soil in many ways. So, there should be emphasis on use of
bio-compost and eco-friendly methods.
(ii)
Some farming practices helps in making land sustainable. These practices
includes intensity of cropping, rotation of crops, multiple cropping, etc.
(iii)
The modern farming methods should be used carefully and rationally according to
scientific standards so that natural resource base that soil provides is saved
from further damage. (3)
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