These agricultural systems, developed by pre-Columbian Mesoamerican cultures, particularly the Aztecs, represent a sophisticated method of intensive farming. Constructed in shallow lake beds or marshy areas, they consist of rectangular artificial islands built up from layers of mud, decaying vegetation, and other organic materials. The nutrient-rich soil allowed for continuous cultivation and high crop yields. Examples of these floating gardens were prevalent in the Valley of Mexico, providing sustenance for the dense population of the Aztec capital, Tenochtitlan.
The significance of these agricultural innovations lies in their ability to support large populations in areas with limited arable land. They provided a stable and reliable food source, reducing the risk of famine and enabling social and political stability. Furthermore, the sustainable nature of this agricultural practice, relying on natural resources and minimizing environmental degradation, demonstrated an advanced understanding of ecological balance. The successful implementation of this system played a crucial role in the rise and dominance of the Aztec Empire.