Which mechanism allows terraced hillside agriculture to increase maize yields compared to traditional slope farming?

💡 Explanation

When terraced hillsides restrain soil erosion, soil stays in place because kinetic energy of runoff water is reduced, leading to improved trapping of organic material and retention of key nutrients needed for the crops. Therefore, efficient nitrogen retention results, rather than insolation amplification, nitrogen limitation or atmospheric modification which require different physical processes.

• Which constraint limited Roman road construction across unstable marshland during the Republic era?
• Which error is magnified when using an astrolabe with a small diameter to determine distant star azimuth?
• Which outcome resulted from Al-Khwarizmi's algebraic method for balancing equations when applied to inheritance divisions?
• Which outcome resulted from the practice of chinampa agriculture by the Aztecs in shallow lakes?
• Which error increases when an 18th-century navigator fails to account for dip when using a sextant?
• Which agricultural adaptation occurred in pre-Columbian chinampa systems due to nutrient stratification of the soil?