In pre-Columbian Andean terrace farming, which risk is heightened by poorly constructed terrace walls?

💡 Explanation

When terrace walls are poorly constructed, slope instability increases, which causes increased erosion risk. Consequently, massive nutrient runoff during intense rainfall increases from this erosion process. Ultimately this prevents sufficient nutrient levels, rather than frost damage, aeration issues, which require specific climate, or nematode infestation, which is pathogen related.

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