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← HistoryWhich outcome resulted from intensive maize cultivation on pre-Columbian terraced fields along steep Andean slopes?
A)Depletion of soil micronutrients✓
B)Increased crop resistance to blight
C)Decreased biodiversity in local fauna
D)Elevated water table stability
💡 Explanation
When maize cultivation intensifies on terraces, nutrient extraction exceeds replenishment because continuous cropping depletes reserves, particularly of micronutrients essential for plant health. Therefore, micronutrient depletion resulted, rather than blight resistance, biodiversity loss, or water table stability, which follow from different triggering mechanisms influencing soil properties and ecosystem response.
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