Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land?
AIt greatly increases the crop production
BIt makes some soils impermeable
CIt raises the water table
DIt fills the air spaces in the soil with water
Answer & Solution
Correct answer: D. It fills the air spaces in the soil with water
UPSC CSE Prelims 2011 (GS-I, Set A), Q.78. Official answer key: D.
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