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← HistoryWhich consequence arises from excessive terrace irrigation without drainage?
A)Nutrient loss through soil leaching✓
B)Accelerated erosion of stone facing
C)Undermining of upper terrace walls
D)Reduced solar exposure for crops
💡 Explanation
When terraces are over-irrigated without subsurface drainage, soil leaching removes vital nutrients because infiltration overwhelms the soil's capacity; therefore, fertility declines rather than enhancing structural damage or impacting solar gain.
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