Which unintended soil consequence emerged in ancient Mesopotamia due to widespread irrigation practices?

💡 Explanation

When Mesopotamian crop irrigation occurred, capillary action drew subsurface water to the surface; subsequent evaporation deposited dissolved salts because of high evaporation rates, increasing topsoil salinity. Therefore increased soil salinity resulted, rather than decreased silt, increased retention, or reduced runoff, which require sediment trapping or modified soil compositions.

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