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Which outcome commonly reduced nutrient availability within the central raised beds of Aztec chinampas?

A)Declining soil redox potential
B)Compaction reducing water infiltration
C)Excessive calcium carbonate leaching
D)Decreasing evapotranspiration cooling

💡 Explanation

Declining soil redox potential inhibits nutrient uptake in flooded conditions of chinampas because the anaerobic bacteria consume soil oxygen, therefore nutrient ions are reduced to less soluble forms rather than remaining bioavailable.

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