ABSTRACT
This reseach is entitled “Defense of Kulisusu Language Vocabulary in Agriculture in Wamboule Village, Nort Kulisusu Subdistrict, North Buton Regency”. The background of this research is one of the factors that causes the decreacing use of regional languages in Wamboule Village. The problem discussed in this research is how the level of survival of the Kulisusu language vocabulary in Agriculture in Wamboule Village, North Kulisusu Subdistrict, Nort Buton Regency. Related to the objective of this research in order to add to the treasure of knowledge about ecolinguistic studies and the results of this research can add a reference to the survival of the Kulisusu language vocabulary specifically in agriculture, this research can provide assistance and assistance for research on increasing use. Development, and documentation of regional languages as one that is not national culture. The theory used in this research is ecolinguistic theory, this research is a type of qualitative and descriptive and descriptive and quantitative research. The resulth showed that the survival of the Kulisusu language vocabulary in the field of agriculture in Wamboule Village, North Kulisusu Subdistrict, North Buton Regency reached 75.8%.

Keywords:Defence, Vocabulary, Kulisusu languange, Agriculture.