Taíno Agriculture and the Conuco System

The Taíno agricultural system centered on the conuco—a raised earthen mound typically three to four feet high and nine to twelve feet in circumference. These carefully constructed mounds represented an advanced understanding of tropical soil management, drainage, and crop science. The conuco system prevented soil erosion, improved drainage during heavy tropical rains, and concentrated nutrients around the root zone of planted crops, allowing intensive cultivation without the need for plowing or metal tools.

The primary crop was yuca (cassava), from which the Taíno produced casabe (cassava bread)—a staple food that could be stored for months and sustained communities through hurricane seasons and dry periods. The process of converting bitter yuca into edible casabe required sophisticated knowledge of detoxification, as the raw tuber contains cyanogenic glycosides. Taíno women developed multi-step processing using the cibucán (a woven sleeve press) to extract the poisonous juice, then grating, pressing, and baking the flour on a flat stone or clay griddle called a burén.

Beyond yuca, conucos supported diverse crops including batata (sweet potato), maíz (corn), ajíes (peppers), yautía, calabaza (squash), maní (peanuts), and tabaco (tobacco). This polyculture approach—growing multiple crops in the same mound—maintained soil fertility and provided nutritional variety. The Taíno also cultivated cotton for hammocks (hamacas) and fishing nets, and grew achiote (annatto) for body paint and food coloring.

The conuco system was so effective that it supported population densities that impressed Spanish chroniclers. Estimates suggest Borinquen (Puerto Rico) sustained between 30,000 and 70,000 Taíno people at the time of contact. The Spanish colonial system destroyed this sustainable agriculture by imposing encomienda labor demands and replacing diverse food crops with sugar cane monoculture—a pattern of agricultural extraction that would define Puerto Rico's colonial economy for five centuries.