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← HistoryWhich outcome resulted from the practice of chinampa agriculture as water salinity increased?
A)Decreased nitrogen fixation efficiency
B)Nutrient leaching through increased percolation
C)Increased reliance on freshwater irrigation
D)Shifts in crop selection toward halophytes✓
💡 Explanation
When water salinity increased in chinampas, osmotic stress reduced the yield of traditional crops causing cultivators to adapt by integrating salt-tolerant plant species into their cultivation. Therefore, shifts in crop selection toward halophytes such as Salicornia resulted, rather than decreased nitrogen fixation efficiency, nutrient leaching or increased fresh water irrigation which would each address other constraints.
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