Indigenous knowledge systems and technologies in Yohualichan, Cuetzalan, Mexico

Surveys were applied to members of the Union of Tosepan Titataniske Cooperatives in communities of Cuetzalan municipality, Puebla, about the knowledge and technology that they as indigenous people retain to generate food on their land. The inhabitants of this area know the land they work intimately, easily identifying in Nahuatl its physical and fertility properties. Average annual corn yields are 1.57 t/ha. Their crops are subject to the soil and climate factors of the region, such as strong winds, rains and high slopes. Their knowledge and technology that shows how to work in the field to produce food have endured over the years in these communities.