During the Inca empire, which outcome occurred when Andean terrace farming relied excessively on diverting glacial meltwater?

💡 Explanation

Soil salinization increases with excessive irrigation because capillary action transports dissolved salts upwards to accumulate on the surface. Therefore, soil's osmotic potential rises, rather than erosion occurring or nutrient deficiencies.

• Which risk increases when an astrolabe's alidade angle calculation employs inaccurate trigonometric identities, common before rigorous algebraic proofs?
• Which consequence results when Roman legionaries insufficiently tamp rammed earth layers behind a siege rampart?
• Which crucial consequence threatened Viking longship-supported pontoon bridges during North Sea crossings?
• Which risk acutely increased as Chinese miners switched from bamboo fuse to gunpowder for blasting?
• Which constraint limited scaling iron bridge spans built following Abraham Darby's coke smelting process?
• What observational error during naked-eye Islamic astronomy led to refinements in predicting planetary positions?