Which outcome results from the intentional flooding of chinampa fields?

💡 Explanation

Nutrient replenishment occurs due to the mechanism of alluvial deposition, because periodic flooding brings fresh sediment to the field, thus enriching the soil; therefore, soil fertility is sustained, rather than experiencing pest reduction, erosion control, or runoff mitigation.

• Which outcome arises when prolonged use of terrace farming leads to reduced soil organic matter?
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