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Which outcome occurred when medieval farmers over-irrigated terraces?

A)Topsoil fertility decreased rapidly
B)Alkalinity of the land decreased.
C)Crop transpiration substantially increased
D)Pest resistance within crops increased

💡 Explanation

Over-irrigation mobilizes salts, depositing them near the soil surface through capillary action and evaporation, causing salinization. This is because, rather than leaching beneficial minerals, excess water draws salts upwards. Therefore, soil fertility decreased; waterlogging poses different harm.

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