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← HistoryWhich outcome commonly occurred when early chinampa farmers did not implement proper 'closing' methods?
A)Decreased nitrogen fixation by cyanobacteria
B)Increased susceptibility to soil erosion✓
C)Acceleration of crop hybridization rates
D)Reduced irrigation system effectiveness
💡 Explanation
Increased erosion became a consequence of inadequate plant density along the chinampa perimeter because the 'closing' mechanism used plant root networks to bind the newly formed soil. Therefore, soil stability failed, rather than achieving the desired soil consolidation.
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