Which agricultural outcome frequently impacted the long-term productivity of Inca terrace farming practices?

💡 Explanation

When intense terrace farming relies primarily on single crop cultivation (mono-cropping), nutrient depletion occurs because continuous removal of specific nutrients without sufficient replenishment disrupts the soil's biochemical balance. Therefore nutrient depletion results, rather than alternatives like salinization, erosion or waterlogging, which manifest through distinct geological or hydrological mechanism impacting terraces over time.

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