Which outcome arises when pre-Columbian chinampa farmers introduce excessive organic matter for maize cultivation?

💡 Explanation

When excessive organic matter is added, rapid aerobic microbial decomposition accelerates, consuming available oxygen because of the high carbon load, leading to anoxic soil conditions limiting maize root respiration. Therefore aerobic microbial activity depletes oxygen, rather than increased salinity, nutrient reduction or lowered temperature, requiring different environmental conditions.

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