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← HistoryAcross Pre-Columbian agriculture, increased soil salinity risked crop production during peak summer seasons; which hydrological mechanism offered a robust solution?
A)Capillary fringe manipulation✓
B)Enhanced evapotranspiration
C)Selective ion exchange
D)Phreatophyte root diversion
💡 Explanation
Chinampas use capillary fringe manipulation, where raised beds use the ground water's upward movement, because this delivers fresh water to the root zone; therefore preventing salt accumulation at the surface rather than more typical dry-land irrigation.
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