How did Maya agricultural and water-management systems support large lowland cities?

To support large populations in the lowland environment, the Maya utilized a combination of diverse agricultural techniques and sophisticated water-management systems.

Agricultural Systems

While the Maya practiced slash-and-burn agriculture, which typically supports more widely dispersed populations, they also employed more intensive methods to allow for greater population concentration. These included:1
* Raised-field farming: Often referred to as chinampa-type agriculture, this technique allowed for increased productivity in lowland areas.1
* Terracing: The Maya utilized terrace cultivation to manage soil and water on sloped terrain, enhancing agricultural output.23
* Crop diversity: Their agricultural base centered on the cultivation of corn (maize), beans, and squash, with cassava (sweet manioc) added by 600 CE.23

Water Management

Water was a critical resource, particularly in the Central Subregion. To sustain large centers like Tikal, the Maya engineered complex infrastructure:
* Reservoirs: Large, partly or entirely artificial reservoirs were constructed to store scarce drinking water for urban residents.4
* Hydraulic Engineering: At sites like Palenque, the Maya demonstrated advanced engineering by diverting a stream through a long, corbel-vaulted tunnel beneath the city's central structures.4
* Irrigation: Beyond storage, they utilized advanced irrigation techniques to support their agricultural needs.23