Which outcome resulted when pre-Columbian agriculturalists intensively cultivated maize using chinampas?

💡 Explanation

When maize was intensively cultivated in chinampas, increased irrigation raised the water table, causing upward capillary action of dissolved salts that accumulated on the soil surface, leading to increased soil salinity. Therefore, amplified soil salinity occurred, rather than biodiversity, crop yields decline from land subsidence, or decreased nitrogen fixation better as water-intensive activity concentrated water and brought solutes with it.

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