As the city grew, more and more land was drained for farming and for building. Farmers had no tools except simple hoes and digging sticks, but the loose soil was fertile and easy to turn. The main crop was corn. but farmers also grew tomatoes, beans, chili peppers, and prickly pears. They grew maguey cactus for its fibers and to make a drink called pulque. Cacao trees were grown in the hottest areas. The seeds were used for trading and to make a chocolate drink.