Which agricultural outcome occurred when pre-Columbian civilizations implemented terracing on sloped maize fields?

💡 Explanation

When terracing was implemented, contour plowing reduced water runoff because stepped levels interrupt flow, thus decreasing erosion rates. Therefore, reduced erosion results, rather than increased blight, contamination, or decreased biodiversity, which depend on different factors like humidity or nutrient depletion.

• Which structural consequence results from sustained freezing within the pozzolan concrete of a Roman aqueduct?
• Which mechanism limited the maximum height of load-bearing brick masonry arches constructed before the advent of reinforced concrete?
• Which effect arises when grinding a lens with incorrect curvature during the medieval Islamic Golden Age?
• Which outcome manifested when sections of the Roman Appian Way experienced differential settling on heterogeneous ground?
• Which risk increases when an ancient Roman aqueduct's settling basin filtration system becomes clogged with algae and sediment?
• Which risk increased during the Bronze Age collapse due to impurities in smelted copper ore?