Question

The presence of excess salts in the soil requires _____________

(a) high water storage efficiency

(b) low water storage efficiency

(c) high water application efficiency

(d) high water use efficiency

The question was posed to me in a job interview.

My question is based upon Water Requirements of Crops in chapter Water Requirements of Crops of Irrigation Engineering

Answer 1

Correct answer is (a) high water storage efficiency

Explanation: Leaching is the supply of additional water to wash away the salts in a saline prone area. The presence of excess salts in water requires high water storage efficiency in order to keep the salts washed out of the soil.