1.

Soil salinization results from the salt and minerals left behind by evaporation of irrigated water collected in the soil. What is the effect of salinization on irrigated land?

A. It brings huge increase in the production of crops
B. It makes some soils impermeable
C. It raises the ground water level
D. It fills the air spaces of the soil with water
Answer» C. It raises the ground water level


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