Agriculture in the prehistoric Southwest
After the Hohokam disappeared, Spanish explorers of the 16th century noted the use of canal irrigation in only two areas of the Southwest: eastern Sonora, primarily practiced by the Opata and Lower Pima, and among the Pueblos of northern New Mexico. Irrigation by the Opata and Pueblos had different objectives. In Sonora, with a long growing season, two crops of maize a year were grown in river valleys. The spring crop during the dry season was dependent upon irrigation; the summer and fall crop during the rainy season utilized irrigation to supplement rainfall. The necessity of irrigation probably required a high level of social organization. In New Mexico, with only one crop of maize per year possible, irrigation was supplemental and the lesser dependence on irrigation implies less social organization than in Sonora.
Nambé Pueblo, New Mexico
The Spanish conquistador Juan de Oñate arrived with armed forces in the area in 1598. He forced Nambé Pueblo, as was the case with other pueblos, to start paying him taxes with cotton, crops and labor. Catholic missionaries also came into the area, threatening native religious beliefs. They renamed pueblos with saints' names, and the first church was built in Nambé Pueblo in the early 1600s. The Spanish introduced new foods to the native communities, including peaches, peppers and wheat. In 1620 a royal decree assigned civil offices to each Pueblo.