The study was carried out in small Agricultural Production Units (UPA) that grow corn in the Cuatro Vientos and Lomas de Mera villages of the Mocache canton, humid tropics of Ecuador in order to evaluate the composition of agrodiversity and its relationship with its sustainability. The rapid characterization consisted of identifying the perceived problems and the state of agrodiversity on the farms, through direct observation and semi-structured interviews. For the detailed characterization, standardized and weighted sustainability indicators were used according to their importance in the sociocultural, economic and environmental dimensions. Farmers had a limitation on the low costs of the products since there was no price stability. The local hybrid INIAP H-551 continues to be managed under conventional practices. The planned agrodiversity influenced the similarity of the farms between ...