Allied & ICAR Exam Bank • ALLIED_3368 MCQ • 1 Mark

Section 5: Irrigation and Drainage Engineering

Soil-Water-Plant Relationship

Subtopic: Water requirement of crops

Question Statement:

In irrigation scheduling and crop water management assessment #13, the defining physical relationship for Water requirement of crops asserts that:

Options:

  • (A) Available soil moisture is bounded between field capacity and permanent wilting point
  • (B) Crops consume 100% of soil mineral mass
  • (C) Evapotranspiration is zero in sunshine
  • (D) Soil moisture tension drops to zero at wilting

Answer Key:

A

Step-by-Step Solution & Explanation

Agronomic principle governing Water requirement of crops under soil water potential theory.
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