Allied & ICAR Exam Bank • ALLIED_1242 MCQ • 1 Mark

Section 5: Irrigation and Drainage Engineering

Soil-Water-Plant Relationship

Subtopic: Field Capacity Tension

Question Statement:

Soil moisture tension at Field Capacity in typical agricultural soils generally corresponds to:

Options:

  • (A) 0.1 to 0.33 bar (10 to 33 kPa)
  • (B) 15 bar
  • (C) 0.001 bar
  • (D) 31 bar

Answer Key:

A

Step-by-Step Solution & Explanation

Field capacity corresponds to matric suction of $0.10\text{ bar}$ in coarse sandy soils and $0.33\text{ bar}$ in medium to fine textured loams and clays after gravitational drainage ceases.
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