2
Choose the irrigation techniques suitable for reducing water wastage and optimizing water use efficiency in sandy soils:
A) Drip irrigation
B) Sprinkler irrigation
C) Furrow irrigation
D) Subsurface irrigation
Choose the correct answer from the options given below:
EXPLANATION
Micro-Irrigation Systems
- Irrigation Optimization in Sandy Soils:
- Coarse sandy soils possess very low available water holding capacity and high saturated hydraulic conductivity, leading to severe deep percolation losses under surface flooding.
- Water use efficiency is maximized by employing Drip irrigation (A) and Sprinkler irrigation (B), which apply water at low rates matching soil infiltration. (Correct answer: Option 1)
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