question_answer

Read the source and answer the following.

Land being a natural resource, it is necessary to be careful in its use. Scientific reports indicate that the modern farming methods have overused the natural resource base.

In many areas, Green Revolution is associated with the loss of soil fertility due to increased use of chemical fertilisers. Also, continuous use of groundwater for tubewell irrigation has led to the depletion of the water table.

Environmental resources, like soil fertility and groundwater, are built up over years. Once destroyed it is very difficult to restore them. We must take care of the environment to ensure future development of agriculture.

Modern farming methods have increased the agricultural productivity.

These methods refer to

 

A) farming on small piece of land.

B) developed farms in urban areas.

C) farms using only machines, no labour.

D) use of HYV seeds, machines and fertilisers.