Question Bank • QB_IDE_ADV_069 MCQ • 1 Mark

Section 5: Irrigation and Drainage Engineering

Irrigation Water Conveyance and Application Methods

Subtopic: Irrigation scheduling

Question Statement:

The irrigation management practice of intentionally applying less water than the full crop evapotranspiration requirement during drought-tolerant crop growth stages to maximize crop water productivity ($\text{kg/m}^3$) is called:

Options:

  • (A) Deficit irrigation (regulated deficit irrigation)
  • (B) Surge irrigation
  • (C) Sub-irrigation
  • (D) Wild flooding

Answer Key:

A

Step-by-Step Solution & Explanation

Regulated Deficit Irrigation (RDI) is an optimization strategy where crops are exposed to controlled water deficits during non-critical phenological stages to conserve water and maximize economic water productivity with minimal yield impact. Option A is correct.
← Previous (QB_IDE_CONV_003) Next (QB_SUB_IDE_0133) →

Practice In Authentic CBT Exam Interface

Test your skills under authentic timed conditions with live scoring and AIR percentile ranking.

Launch CBT Mock Test