Which long-term consequence resulted from the Three Sisters agricultural method?

💡 Explanation

Continuous maize cultivation without replenishment leads to soil depletion because crop rotation & Companion Planting depletes available nitrogen. Nitrogen fixation by legumes wasn't fully emphasized; therefore, soil suffered rather than improving through diverse nutrient cycling.

• Which structural failure would most likely impact a Roman ballista's accuracy after prolonged use?
• Which risk significantly reduces productivity when irrigating pre-Columbian chinampas (floating gardens) with heavily alkaline diverted river water?
• Which outcome results when excessive hydrostatic pressure builds behind Inca stonework retaining walls during heavy rains?
• Which outcome reliably enables accurate timekeeping using astrolabes?
• Which consequence resulted from Hannibal's use of heated vinegar against Roman fortifications during siege?
• For accurate timekeeping on a sundial that follows a medieval astrolabe design, which adjustment corrects for seasonal variations in daytime length?