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Question

Which of the following methods of cultivation causes salinisation of soil?

A
Transplantation
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B
Crop rotation
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C
Excessive irrigation
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D
Broadcasting
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Solution

The correct option is C Excessive irrigation
Excessive irrigation increases the amount of salt on the surface of soil due to evaporation. The accumulation of salts damages the soil fertility, except rice; almost all crops receive as ever set back in their growth when excess water stagnates.

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