Content: Chapters: 1 - Description of agricultural rituals of Mnong Nong people, such as: The rituals related to clearing the site of trees for cultivation (ceremony of clearing land, clearing selves, PHAT TIEP ceremony, rice ritual, Thanksgiving ceremony to axes & machetes, burning ritual...). 2 - Rituals related to burnt-over land cultivation (rice ceremony of the arc, pole setting up for rice ceremony, new rice ritual celebration, ceremony of starting to pluck rice, ceremony of seventeenth rice papoose, ceremony of 100 rice papooses, ceremony of finishing plucking rice & pulling up young plants of rice, rice ceremony before delivery, rice shower ceremony...). 3 - The collection of works of worship spirit in agriculture of Mnong Nong people in the form of bilingual (Mnong & Vietnamese)