Which outcome optimized crop production in the chinampa agricultural system of Mesoamerica?

💡 Explanation

When chinampa plots are farmed, soil nutrients deplete which requires sustainable practices. Specifically, the act of dredging nutrient-rich sediment from canals back onto the plots occurs because nutrients are returned to the soil when applying this dredged matter, leading to continuous fertility. Therefore, continuous sediment replenishment is achieved, rather than pest control, weather buffering or water regulation as alternate answers, all are other mechanisms requiring different landscape setups.

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